annotate PROBLEMS @ 259:11cf20601dec r20-5b28

Import from CVS: tag r20-5b28
author cvs
date Mon, 13 Aug 2007 10:23:02 +0200
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1 -*- mode:outline -*-
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2 This file describes various problems that have been encountered
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3 in compiling, installing and running XEmacs. It has been updated for
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4 XEmacs 20.5.
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5
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6 This file is large, but we have tried to sort the entries by their
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7 respective relevance for XEmacs, but may have not succeeded completely
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8 in that task. The file is divided into four parts:
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9
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10 - Problems with building XEmacs
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11 - Problems with running XEmacs
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12 - Compatibility problems
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13 - Mule issues
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14
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15 Use `C-c C-f' to move to the next equal level of outline, and
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16 `C-c C-b' to move to previous equal level. `C-h m' will give more
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17 info about the Outline mode.
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18
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19 Also, Try finding the things you need using one of the search commands
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20 XEmacs provides (e.g. `C-s').
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21
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22 A general advice:
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23 WATCH OUT for .emacs file! ~/.emacs is your Emacs init file. If
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24 you observe strange problems, invoke XEmacs with the `-q' option
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25 and see if you can repeat the problem.
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26
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27
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28 * Problems with building XEmacs
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29 ===============================
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31 ** Don't use -O2 with gcc 2.7.2 under Intel/XXX without also using
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32 `-fno-strength-reduce'.
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33
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34 gcc will generate incorrect code otherwise. This bug is present in at
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35 least 2.6.x and 2.7.[0-2]. This bug has been fixed in GCC 2.7.2.1 and
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36 later. This bug is also O/S independent.
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37
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38 ** Don't use -O2 with gcc 2.7.2 under Intel architectures without also
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39 using `-fno-caller-saves'.
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40
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41 gcc will generate incorrect code otherwise. This bug is still present
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42 in gcc 2.7.2.3. There have been no reports to indicate the bug is
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43 present in egcs 1.0 (or pgcc 1.0) or later. This bug is O/S independent.
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44
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45 ** Excessive optimization with pgcc can break XEmacs
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46
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47 It has been reported on some systems that compiling with -O6 can lead
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48 to XEmacs failures. The workaround is to use a lower optimization
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49 level. -O2 and -O4 have been tested extensively.
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50
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51 All of this depends heavily on the version of pgcc and the version
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52 of libc. Snapshots near the release of pgcc-1.0 have been tested
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53 extensively and no sign of breakage has been seen on systems using
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54 glibc-2.
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55
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56 ** `compress' and `uncompress' not found and XFree86
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57
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58 XFree86 installs a very old version of libz.a by default ahead of where
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59 more modern version of libz might be installed. This will cause problems
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60 when attempting to link against libMagick. The fix is to remove the old
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61 libz.a in the X11 binary directory.
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62
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63 ** Excessive optimization on AIX 4.2 can lead to compiler failure.
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64
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65 Valdis.Kletnieks@vt.edu writes:
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66 At least at the b34 level, and the latest-and-greatest IBM xlc
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67 (3.1.4.4), there are problems with -O3. I haven't investigated
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68 further.
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69
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70 ** Sed problems on Solaris 2.5
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71
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72 There have been reports of Sun sed truncating very lines in the
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73 Makefile during configuration. The workaround is to use GNU sed or,
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74 even better, think of a better way to generate Makefile, and send us a
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75 patch. :-)
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76
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77 ** test-distrib says that the distribution has been clobbered
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78 or, temacs prints "Command key out of range 0-127"
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79 or, temacs runs and dumps xemacs, but xemacs totally fails to work.
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80 or, temacs gets errors dumping xemacs
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81
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82 This can be because the .elc files have been garbled. Do not be
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83 fooled by the fact that most of a .elc file is text: these are binary
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84 files and can contain all 256 byte values.
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85
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86 In particular `shar' cannot be used for transmitting GNU Emacs. It
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87 typically truncates "lines". (this does not apply to GNU shar, which
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88 uses uuencode to encode binary files.)
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89
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90 If you have a copy of Emacs that has been damaged in its nonprinting
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91 characters, you can fix them by running:
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92
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93 make all-elc
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94
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95 This will rebuild all the needed .elc files.
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96
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97 ** `Error: No ExtNode to pop!' on Linux systems with Lesstif.
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98
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99 This error message has been observed with lesstif-0.75a. It does not
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100 appear to cause any harm.
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101
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102 ** Linking with -rpath on IRIX.
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103
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104 Darrell Kindred <dkindred@cmu.edu> writes:
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105 There are a couple of problems [with use of -rpath with Irix ld], though:
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106
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107 1. The ld in IRIX 5.3 ignores all but the last -rpath
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108 spec, so the patched configure spits out a warning
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109 if --x-libraries or --site-runtime-libraries are
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110 specified under irix 5.x, and it only adds -rpath
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111 entries for the --site-runtime-libraries. This bug was
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112 fixed sometime between 5.3 and 6.2.
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113
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114 2. IRIX gcc 2.7.2 doesn't accept -rpath directly, so
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115 it would have to be prefixed by -Xlinker or "-Wl,".
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116 This would be fine, except that configure compiles with
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117 ${CC-cc} $CFLAGS $LDFLAGS ...
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118 rather than quoting $LDFLAGS with prefix-args, like
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119 src/Makefile does. So if you specify --x-libraries
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120 or --site-runtime-libraries, you must use --use-gcc=no,
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121 or configure will fail.
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122
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123 ** On Irix 6.3, the SGI ld quits with segmentation fault when linking temacs
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125 This occurs if you use the SGI linker version 7.1. Installing the
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126 patch SG0001872 fixes this problem.
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127
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128 ** xemacs: can't resolve symbol '__malloc_hook'
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129
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130 This is a Linux problem where you've compiled the XEmacs binary on a libc
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131 5.4 with version higher than 5.4.19 and attempted to run the binary against
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132 an earlier version. The solution is to upgrade your old library.
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133
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134 ** Compilation errors on VMS.
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135
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136 Sorry, XEmacs does not work under VMS. You might consider working on
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137 the port if you really want to have XEmacs work under VMS.
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138
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139 ** On Solaris 2 I get undefined symbols from libcurses.a.
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141 You probably have /usr/ucblib/ on your LD_LIBRARY_PATH. Do the link with
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142 LD_LIBRARY_PATH unset. Generally, avoid using any ucb* stuff when
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143 building XEmacs.
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144
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145 ** On Solaris 2 I cannot make alloc.o, glyphs.o or process.o.
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147 The SparcWorks C compiler may have difficulty building those modules
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148 with optimization level -xO4. Try using only "-fast" optimization
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149 for just those modules. (Or use gcc).
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150
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151 ** On Digital UNIX, the DEC C compiler might have a problem compiling
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152 some files.
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153
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154 In particular, src/extents.c and src/faces.c might cause the DEC C
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155 compiler to abort. When this happens: cd src, compile the files by
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156 hand, cd .., and redo the "make" command. When recompiling the files by
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157 hand, use the old C compiler for the following versions of Digital UNIX:
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158 - V3.n: Remove "-migrate" from the compile command.
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159 - V4.n: Add "-oldc" to the compile command.
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160
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161 A related compiler bug has been fixed by the DEC compiler team. The
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162 new versions of the compiler should run fine.
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164 ** On HPUX, the HP C compiler might have a problem compiling some files
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165 with optimization.
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166
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167 Richard Cognot <cognot@ensg.u-nancy.fr> writes:
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168
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169 Had to drop once again to level 2 optimization, at least to
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170 compile lstream.c. Otherwise, I get a "variable is void: \if"
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171 problem while dumping (this is a problem I already reported
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172 with vanilla hpux 10.01 and 9.07, which went away after
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173 applying patches for the C compiler). Trouble is I still
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174 haven't found the same patch for hpux 10.10, and I don't
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175 remember the patch numbers. I think potential XEmacs builders
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176 on HP should be warned about this.
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177
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178 ** I don't have `xmkmf' and `imake' on my HP.
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179
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180 You can get these standard X tools by anonymous FTP to hpcvaaz.cv.hp.com.
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181 Essentially all X programs need these.
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182
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183 ** Solaris 2.3 /bin/sh coredumps during configuration.
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184
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185 This only occurs if you have LANG != C. This is a known bug with
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186 /bin/sh fixed by installing Patch-ID# 101613-01. Or, you can use
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187 bash, as a workaround.
124
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188
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189 ** On Irix 6.0, make tries (and fails) to build a program named unexelfsgi
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190
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191 A compiler bug inserts spaces into the string "unexelfsgi . o"
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192 in src/Makefile. Edit src/Makefile, after configure is run,
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193 find that string, and take out the spaces.
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194
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195 Compiler fixes in Irix 6.0.1 should eliminate this problem.
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196
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197 ** Native cc on SCO OpenServer 5 is now OK. Icc may still throw you
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198 a curve. Here is what Robert Lipe <robertl@arnet.com> says:
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199
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200 Unlike XEmacs 19.13, building with the native cc on SCO OpenServer 5
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201 now produces a functional binary. I will typically build this
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202 configuration for COFF with:
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203
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204 /path_to_xemacs_source/configure --with-gcc=no \
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205 --site-includes=/usr/local/include --site-libraries=/usr/local/lib \
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206 --with-xpm --with-xface --with-sound=nas
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207
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208 This version now supports ELF builds. I highly recommend this to
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209 reduce the in-core footprint of XEmacs. This is now how I compile
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210 all my test releases. Build it like this:
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211
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212 /path_to_XEmacs_source/configure --with-gcc=no \
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213 --site-includes=/usr/local/include --site-libraries=/usr/local/lib \
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214 --with-xpm --with-xface --with-sound=nas --dynamic
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215
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216 The compiler known as icc [ supplied with the OpenServer 5 Development
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217 System ] generates a working binary, but it takes forever to generate
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218 XEmacs. ICC also whines more about the code than /bin/cc does. I do
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219 believe all its whining is legitimate, however. Note that you do
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220 have to 'cd src ; make LD=icc' to avoid linker errors.
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221
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222 The way I handle the build procedure is:
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223
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224 /path_to_XEmacs_source/configure --with-gcc=no \
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225 --site-includes=/usr/local/include --site-libraries=/usr/local/lib \
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226 --with-xpm --with-xface --with-sound=nas --dynamic --compiler="icc"
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227
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228 NOTE I have the xpm, xface, and audio libraries and includes in
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229 /usr/local/lib, /usr/local/include. If you don't have these,
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230 don't include the "--with-*" arguments in any of my examples.
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231
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232 In previous versions of XEmacs, you had to override the defaults while
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233 compiling font-lock.o and extents.o when building with icc. This seems
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234 to no longer be true, but I'm including this old information in case it
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235 resurfaces. The process I used was:
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236
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237 make -k
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238 [ procure pizza, beer, repeat ]
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239 cd src
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240 make CC="icc -W0,-mP1COPT_max_tree_size=3000" font-lock.o extents.o
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241 make LD=icc
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242
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243 If you want sound support, get the tls566 supplement from
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244 ftp.sco.com:/TLS or any of its mirrors. It works just groovy
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245 with XEmacs.
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246
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247 The M-x manual-entry is known not to work. If you know Lisp and would
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248 like help in making it work, e-mail me at <robertl@dgii.com>.
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249 (UNCHECKED for 19.15 -- it might work).
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250
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251 In earlier releases, gnuserv/gnuclient/gnudoit would open a frame
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252 just fine, but the client would lock up and the server would
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253 terminate when you used C-x # to close the frame. This is now
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254 fixed in XEmacs.
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255
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256 In etc/ there are two files of note. emacskeys.sco and emacsstrs.sco.
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257 The comments at the top of emacskeys.sco describe its function, and
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258 the emacstrs.sco is a suitable candidate for /usr/lib/keyboard/strings
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259 to take advantage of the keyboard map in emacskeys.sco.
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260
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261 Note: Much of the above entry is probably not valid for XEmacs 20.5
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262 and later.
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263
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264 ** Under some versions of OSF XEmacs runs fine if built without
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265 optimization but will crash randomly if built with optimization.
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266
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267 Using 'cc -g' is not sufficient to eliminate all optimization. Try
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268 'cc -g -O0' instead.
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269
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270 ** On SunOS, you get linker errors
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271 ld: Undefined symbol
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272 _get_wmShellWidgetClass
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273 _get_applicationShellWidgetClass
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274
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275 The fix to this is to install patch 100573 for OpenWindows 3.0
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276 or link libXmu statically.
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277
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278 ** On Sunos 4, you get the error ld: Undefined symbol __lib_version.
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279
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280 This is the result of using cc or gcc with the shared library meant
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281 for acc (the Sunpro compiler). Check your LD_LIBRARY_PATH and delete
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282 /usr/lang/SC2.0.1 or some similar directory.
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283
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284 ** On AIX 4.1.2, linker error messages such as
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285 ld: 0711-212 SEVERE ERROR: Symbol .__quous, found in the global symbol table
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286 of archive /usr/lib/libIM.a, was not defined in archive member shr.o.
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287
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288 This is a problem in libIM.a. You can work around it by executing
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289 these shell commands in the src subdirectory of the directory where
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290 you build Emacs:
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291
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292 cp /usr/lib/libIM.a .
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293 chmod 664 libIM.a
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294 ranlib libIM.a
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295
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296 Then change -lIM to ./libIM.a in the command to link temacs (in
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297 Makefile).
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298
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299 ** On Irix 5.2, unexelfsgi.c can't find cmplrs/stsupport.h.
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300
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301 The file cmplrs/stsupport.h was included in the wrong file set in the
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302 Irix 5.2 distribution. You can find it in the optional fileset
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303 compiler_dev, or copy it from some other Irix 5.2 system. A kludgy
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304 workaround is to change unexelfsgi.c to include sym.h instead of
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305 syms.h.
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306
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307 ** Link failure when using acc on a Sun.
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308
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309 To use acc, you need additional options just before the libraries, such as
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310
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311 /usr/lang/SC2.0.1/values-Xt.o -L/usr/lang/SC2.0.1/cg87 -L/usr/lang/SC2.0.1
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312
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313 and you need to add -lansi just before -lc.
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314
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315 The precise file names depend on the compiler version, so we
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316 cannot easily arrange to supply them.
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317
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318 ** Link failure on IBM AIX 1.3 ptf 0013.
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319
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320 There is a real duplicate definition of the function `_slibc_free' in
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321 the library /lib/libc_s.a (just do nm on it to verify). The
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322 workaround/fix is:
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323
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324 cd /lib
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325 ar xv libc_s.a NLtmtime.o
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326 ar dv libc_s.a NLtmtime.o
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327
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328 ** Undefined symbols when linking on Sunos 4.1.
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329
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330 If you get the undefined symbols _atowc _wcslen, _iswprint, _iswspace,
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331 _iswcntrl, _wcscpy, and _wcsncpy, then you need to add -lXwchar after
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332 -lXaw in the command that links temacs.
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333
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334 This problem seems to arise only when the international language
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335 extensions to X11R5 are installed.
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336
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337 ** src/Makefile and lib-src/Makefile are truncated--most of the file missing.
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338
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339 This can happen if configure uses GNU sed version 2.03. That version
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340 had a bug. GNU sed version 2.05 works properly.
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341
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342 ** On AIX, you get this compiler error message:
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343
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344 Processing include file ./XMenuInt.h
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345 1501-106: (S) Include file X11/Xlib.h not found.
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346
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347 This means your system was installed with only the X11 runtime i.d
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348 libraries. You have to find your sipo (bootable tape) and install
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349 X11Dev... with smit.
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350
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351 ** C-z just refreshes the screen instead of suspending Emacs.
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352
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353 You are probably using a shell that doesn't support job control, even
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354 though the system itself is capable of it. Try using a different
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355 shell.
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356
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357 ** On a Sun running SunOS 4.1.1, you get this error message from GNU ld:
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358
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359 /lib/libc.a(_Q_sub.o): Undefined symbol __Q_get_rp_rd referenced from text segment
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360
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361 The problem is in the Sun shared C library, not in GNU ld.
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362
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363 The solution is to install Patch-ID# 100267-03 from Sun.
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364
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365 ** SunOS 4.1.2: undefined symbol _get_wmShellWidgetClass
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366
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367 Apparently the version of libXmu.so.a that Sun ships is hosed: it's missing
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368 some stuff that is in libXmu.a (the static version). Sun has a patch for
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369 this, but a workaround is to use the static version of libXmu, by changing
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370 the link command from "-lXmu" to "-Bstatic -lXmu -Bdynamic". If you have
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371 OpenWindows 3.0, ask Sun for these patches:
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372 100512-02 4.1.x OpenWindows 3.0 libXt Jumbo patch
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373 100573-03 4.1.x OpenWindows 3.0 undefined symbols with shared libXmu
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374
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375 ** Random other SunOS 4.1.[12] link errors.
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376
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377 The X headers and libraries that Sun ships in /usr/{include,lib}/X11 are
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378 broken. Use the ones in /usr/openwin/{include,lib} instead.
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379
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380 ** When using gcc, you get the error message "undefined symbol __fixunsdfsi".
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381 When using gcc, you get the error message "undefined symbol __main".
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382
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383 This means that you need to link with the gcc library. It may be called
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384 "gcc-gnulib" or "libgcc.a"; figure out where it is, and define LIB_GCC in
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385 config.h to point to it.
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386
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387 It may also work to use the GCC version of `ld' instead of the standard one.
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388
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389 ** When compiling with X11, you get "undefined symbol _XtStrings".
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390
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391 This means that you are trying to link emacs against the X11r4 version of
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392 libXt.a, but you have compiled either Emacs or the code in the lwlib
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393 subdirectory with the X11r5 header files. That doesn't work.
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394
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395 Remember, you can't compile lwlib for r4 and emacs for r5, or vice versa.
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396 They must be in sync.
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397
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398 ** Problems finding X11 libraries on Solaris with Openwindows
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399
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400 Some users have reported problems in this area. The reported solution
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401 is to define the environment variable OPENWINHOME, even if you must set
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402 it to `/usr/openwin'.
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403
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404 ** Under Linux, you get "too many arguments to function `getpgrp'".
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405
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406 You have probably installed LessTiff under `/usr/local' and `libXm.so'
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407 could not be found when linking `getpgrp()' test program, making XEmacs
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408 think that `getpgrp()' takes an argument. Try adding `/usr/local/lib'
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409 in `/etc/ld.so.conf' and run `ldconfig'. Then run XEmacs's `configure'
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410 again. As with all problems of this type, reading the config.log file
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411 generated from configure and seeing the log of how the test failed can
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412 prove enlightening.
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413
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414
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415 * Problems with running XEmacs
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416 ==============================
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417
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418 ** `C-z', or `M-x suspend-emacs' hangs instead of suspending.
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419
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420 If you build with `gpm' support on Linux, you cannot suspend XEmacs
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421 because gpm installs a buggy SIGTSTP handler. Either compile with
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422 `--with-gpm=no', or don't suspend XEmacs on the Linux console until
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423 this bug is fixed.
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424
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425 ** You type Control-H (Backspace) expecting to delete characters.
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426
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427 Emacs has traditionally used Control-H for help; unfortunately this
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428 interferes with its use as Backspace on TTY's. One way to solve this
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429 problem is to put this in your .emacs:
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430
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431 (when (eq tty-erase-char ?\C-h)
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432 (keyboard-translate ?\C-h ?\C-?)
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433 (global-set-key "\M-?" 'help-command))
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434
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435 This checks whether the TTY erase char is C-h, and if it is, makes
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436 Control-H (Backspace) work sensibly, and moves help to Meta-? (ESC ?).
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437
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438 Note that you can probably also access help using F1.
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439
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440 ** Mail agents (VM, Gnus, rmail) cannot get new mail
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441
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442 rmail and VM get new mail from /usr/spool/mail/$USER using a program
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443 called `movemail'. This program interlocks with /bin/mail using the
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444 protocol defined by /bin/mail.
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445
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446 There are two different protocols in general use. One of them uses
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447 the `flock' system call. The other involves creating a lock file;
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448 `movemail' must be able to write in /usr/spool/mail in order to do
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449 this. You control which one is used by defining, or not defining, the
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450 macro MAIL_USE_FLOCK in config.h or the m- or s- file it includes. IF
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451 YOU DON'T USE THE FORM OF INTERLOCKING THAT IS NORMAL ON YOUR SYSTEM,
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452 YOU CAN LOSE MAIL!
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453
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454 If your system uses the lock file protocol, and fascist restrictions
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455 prevent ordinary users from writing the lock files in /usr/spool/mail,
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456 you may need to make `movemail' setgid to a suitable group such as
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457 `mail'. To do this, use the following commands (as root) after doing
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458 the make install.
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459
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460 chgrp mail movemail
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461 chmod 2755 movemail
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462
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463 Installation normally copies movemail from the build directory to an
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464 installation directory which is usually under /usr/local/lib. The
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465 installed copy of movemail is usually in the directory
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466 /usr/local/lib/emacs/VERSION/TARGET. You must change the group and
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467 mode of the installed copy; changing the group and mode of the build
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468 directory copy is ineffective.
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469
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470 ** XEmacs crashes on Digital Unix when dealing with large compilation
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471 buffers.
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472
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473 This is a known problem with the regexp code, that uses alloca
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474 extensively, and overflows the stack in case of complex regexp
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475 matches. As a workaround, you can recompile with REGEX_MALLOC
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476 defined.
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477
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478 ** On Solaris, C-x doesn't get through to Emacs when you use the console.
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479
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480 This is a Solaris feature (at least on Intel x86 cpus). Type C-r
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481 C-r C-t, to toggle whether C-x gets through to Emacs.
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482
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483 ** VM appears to hang in large folders.
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484
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485 This is normal (trust us) when upgrading to VM-6.22 from earlier
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486 versions. Let VM finish what it is doing and all will be well.
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487
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488 ** Changes made to .el files do not take effect.
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489
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490 You may have forgotten to recompile them into .elc files. Then the
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491 old .elc files will be loaded, and your changes will not be seen. To
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492 fix this, do `M-x byte-recompile-directory' and specify the directory
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493 that contains the Lisp files.
0
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494
197
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495 Note that you will get a warning when loading a .elc file that is
acd284d43ca1 Import from CVS: tag r20-3b25
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496 older than the corresponding .el file.
0
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497
197
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498 ** Things which should be bold or italic (such as the initial
acd284d43ca1 Import from CVS: tag r20-3b25
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499 copyright notice) are not.
0
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500
197
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501 The fonts of the "bold" and "italic" faces are generated from the font
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502 of the "default" face; in this way, your bold and italic fonts will
acd284d43ca1 Import from CVS: tag r20-3b25
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503 have the appropriate size and family. However, emacs can only be
acd284d43ca1 Import from CVS: tag r20-3b25
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504 clever in this way if you have specified the default font using the
acd284d43ca1 Import from CVS: tag r20-3b25
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505 XLFD (X Logical Font Description) format, which looks like
0
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506
376386a54a3c Import from CVS: tag r19-14
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507 *-courier-medium-r-*-*-*-120-*-*-*-*-*-*
376386a54a3c Import from CVS: tag r19-14
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508
197
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diff changeset
509 if you use any of the other, less strict font name formats, some of
acd284d43ca1 Import from CVS: tag r20-3b25
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510 which look like:
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511
0
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512 lucidasanstypewriter-12
376386a54a3c Import from CVS: tag r19-14
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513 and fixed
376386a54a3c Import from CVS: tag r19-14
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514 and 9x13
376386a54a3c Import from CVS: tag r19-14
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515
376386a54a3c Import from CVS: tag r19-14
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516 then emacs won't be able to guess the names of the "bold" and "italic"
376386a54a3c Import from CVS: tag r19-14
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517 versions. All X fonts can be referred to via XLFD-style names, so you
376386a54a3c Import from CVS: tag r19-14
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518 should use those forms. See the man pages for X(1), xlsfonts(1), and
376386a54a3c Import from CVS: tag r19-14
cvs
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519 xfontsel(1).
376386a54a3c Import from CVS: tag r19-14
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520
197
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521 ** The dumped Emacs crashes when run, trying to write pure data.
0
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522
376386a54a3c Import from CVS: tag r19-14
cvs
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523 Two causes have been seen for such problems.
376386a54a3c Import from CVS: tag r19-14
cvs
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524
376386a54a3c Import from CVS: tag r19-14
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525 1) On a system where getpagesize is not a system call, it is defined
376386a54a3c Import from CVS: tag r19-14
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526 as a macro. If the definition (in both unexec.c and malloc.c) is wrong,
376386a54a3c Import from CVS: tag r19-14
cvs
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527 it can cause problems like this. You might be able to find the correct
376386a54a3c Import from CVS: tag r19-14
cvs
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528 value in the man page for a.out (5).
376386a54a3c Import from CVS: tag r19-14
cvs
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529
376386a54a3c Import from CVS: tag r19-14
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530 2) Some systems allocate variables declared static among the
376386a54a3c Import from CVS: tag r19-14
cvs
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531 initialized variables. Emacs makes all initialized variables in most
376386a54a3c Import from CVS: tag r19-14
cvs
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532 of its files pure after dumping, but the variables declared static and
376386a54a3c Import from CVS: tag r19-14
cvs
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533 not initialized are not supposed to be pure. On these systems you
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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534 may need to add "#define static" to the m- or the s- file.
376386a54a3c Import from CVS: tag r19-14
cvs
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535
124
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536 ** Reading and writing files is very very slow.
0
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cvs
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537
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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538 Try evaluating the form (setq lock-directory nil) and see if that helps.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
539 There is a problem with file-locking on some systems (possibly related
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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540 to NFS) that I don't understand. Please send mail to the address
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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541 xemacs@xemacs.org if you figure this one out.
376386a54a3c Import from CVS: tag r19-14
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542
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
543 ** The Emacs window disappears when you type M-q.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
544
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
545 Some versions of the Open Look window manager interpret M-q as a quit
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
546 command for whatever window you are typing at. If you want to use
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
547 Emacs with that window manager, you should try to configure the window
9b50b4588a93 Import from CVS: tag r20-1b15
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548 manager to use some other command. You can disable the
9b50b4588a93 Import from CVS: tag r20-1b15
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549 shortcut keys entirely by adding this line to ~/.OWdefaults:
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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550
9b50b4588a93 Import from CVS: tag r20-1b15
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551 OpenWindows.WindowMenuAccelerators: False
9b50b4588a93 Import from CVS: tag r20-1b15
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552
9b50b4588a93 Import from CVS: tag r20-1b15
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553 ** The `Alt' key doesn't behave as `Meta' when running DECwindows.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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554
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
555 The default DEC keyboard mapping has the Alt keys set up to generate the
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
556 keysym `Multi_key', which has a meaning to xemacs which is distinct from that
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
557 of the `Meta_L' and `Meta-R' keysyms. A second problem is that certain keys
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
558 have the Mod2 modifier attached to them for no adequately explored reason.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
559 The correct fix is to pass this file to xmodmap upon starting X:
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
560
9b50b4588a93 Import from CVS: tag r20-1b15
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561 clear mod2
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
562 keysym Multi_key = Alt_L
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
563 add mod1 = Alt_L
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
564 add mod1 = Alt_R
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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565
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
566 ** The Compose key on a DEC keyboard does not work as Meta key.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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567
9b50b4588a93 Import from CVS: tag r20-1b15
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568 This shell command should fix it:
9b50b4588a93 Import from CVS: tag r20-1b15
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569
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
570 xmodmap -e 'keycode 0xb1 = Meta_L'
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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571
9b50b4588a93 Import from CVS: tag r20-1b15
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572 ** When emacs starts up, I get lots of warnings about unknown keysyms.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
573
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
574 If you are running the prebuilt binaries, the Motif library expects to find
9b50b4588a93 Import from CVS: tag r20-1b15
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575 certain thing in the XKeysymDB file. This file is normally in /usr/lib/X11/
9b50b4588a93 Import from CVS: tag r20-1b15
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576 or in /usr/openwin/lib/. If you keep yours in a different place, set the
9b50b4588a93 Import from CVS: tag r20-1b15
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577 environment variable $XKEYSYMDB to point to it before starting emacs. If
9b50b4588a93 Import from CVS: tag r20-1b15
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578 you still have the problem after doing that, perhaps your version of X is
9b50b4588a93 Import from CVS: tag r20-1b15
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579 too old. There is a copy of the MIT X11R5 XKeysymDB file in the emacs `etc'
9b50b4588a93 Import from CVS: tag r20-1b15
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580 directory. Try using that one.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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581
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
582 ** My X resources used to work, and now some of them are being ignored.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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583
124
9b50b4588a93 Import from CVS: tag r20-1b15
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584 Check the resources in .../etc/Emacs.ad (which is the same as the file
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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585 sample.Xdefaults). Perhaps some of the default resources built in to
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
586 emacs are now overriding your existing resources. Copy and edit the
9b50b4588a93 Import from CVS: tag r20-1b15
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587 resources in Emacs.ad as necessary.
9b50b4588a93 Import from CVS: tag r20-1b15
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588
197
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589 ** I get complaints about the mapping of my HP keyboard at startup,
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
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590 but I haven't changed anything.
124
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591
9b50b4588a93 Import from CVS: tag r20-1b15
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592 The default HP keymap is set up to have Mod1 assigned to two different keys:
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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593 Meta_L and Mode_switch (even though there is not actually a Mode_switch key on
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
594 the keyboard -- it uses an "imaginary" keycode.) There actually is a reason
9b50b4588a93 Import from CVS: tag r20-1b15
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595 for this, but it's not a good one. The correct fix is to execute this command
9b50b4588a93 Import from CVS: tag r20-1b15
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596 upon starting X:
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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597
9b50b4588a93 Import from CVS: tag r20-1b15
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598 xmodmap -e 'remove mod1 = Mode_switch'
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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599
197
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600 ** I have focus problems when I use `M-o' to switch to another screen
acd284d43ca1 Import from CVS: tag r20-3b25
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601 without using the mouse.
124
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602
197
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603 The focus issues with a program like XEmacs, which has multiple
acd284d43ca1 Import from CVS: tag r20-3b25
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604 homogeneous top-level windows, are very complicated, and as a result,
acd284d43ca1 Import from CVS: tag r20-3b25
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605 most window managers don't implement them correctly.
0
376386a54a3c Import from CVS: tag r19-14
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606
124
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607 The R4/R5 version of twm (and all of its descendants) had buggy focus
197
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
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608 handling. Sufficiently recent versions of tvtwm have been fixed. In
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
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609 addition, if you're using twm, make sure you have not specified
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
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610 "NoTitleFocus" in your .tvtwmrc file. The very nature of this option
acd284d43ca1 Import from CVS: tag r20-3b25
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611 makes twm do some illegal focus tricks, even with the patch.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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612
197
acd284d43ca1 Import from CVS: tag r20-3b25
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613 It is known that olwm and olvwm are buggy, and in different ways. If
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
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614 you're using click-to-type mode, try using point-to-type, or vice
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
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615 versa.
0
376386a54a3c Import from CVS: tag r19-14
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616
197
acd284d43ca1 Import from CVS: tag r20-3b25
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617 In older versions of NCDwm, one could not even type at XEmacs windows.
acd284d43ca1 Import from CVS: tag r20-3b25
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618 This has been fixed in newer versions (2.4.3, and possibly earlier).
0
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619
197
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620 (Many people suggest that XEmacs should warp the mouse when focusing
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
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621 on another screen in point-to-type mode. This is not ICCCM-compliant
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
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622 behavior. Implementing such policy is the responsibility of the
acd284d43ca1 Import from CVS: tag r20-3b25
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623 window manager itself, it is not legal for a client to do this.)
0
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parents:
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624
124
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625 ** Emacs spontaneously displays "I-search: " at the bottom of the screen.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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626
376386a54a3c Import from CVS: tag r19-14
cvs
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627 This means that Control-S/Control-Q (XON/XOFF) "flow control" is being
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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628 used. C-s/C-q flow control is bad for Emacs editors because it takes
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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629 away C-s and C-q as user commands. Since editors do not output long
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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630 streams of text without user commands, there is no need for a
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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631 user-issuable "stop output" command in an editor; therefore, a
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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632 properly designed flow control mechanism would transmit all possible
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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633 input characters without interference. Designing such a mechanism is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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634 easy, for a person with at least half a brain.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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635
376386a54a3c Import from CVS: tag r19-14
cvs
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636 There are three possible reasons why flow control could be taking place:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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637
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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638 1) Terminal has not been told to disable flow control
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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639 2) Insufficient padding for the terminal in use
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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640 3) Some sort of terminal concentrator or line switch is responsible
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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641
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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642 First of all, many terminals have a set-up mode which controls whether
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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643 they generate XON/XOFF flow control characters. This must be set to
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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644 "no XON/XOFF" in order for Emacs to work. Sometimes there is an
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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645 escape sequence that the computer can send to turn flow control off
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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646 and on. If so, perhaps the termcap `ti' string should turn flow
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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647 control off, and the `te' string should turn it on.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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648
376386a54a3c Import from CVS: tag r19-14
cvs
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649 Once the terminal has been told "no flow control", you may find it
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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650 needs more padding. The amount of padding Emacs sends is controlled
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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651 by the termcap entry for the terminal in use, and by the output baud
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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652 rate as known by the kernel. The shell command `stty' will print
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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653 your output baud rate; `stty' with suitable arguments will set it if
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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654 it is wrong. Setting to a higher speed causes increased padding. If
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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655 the results are wrong for the correct speed, there is probably a
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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656 problem in the termcap entry. You must speak to a local Unix wizard
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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657 to fix this. Perhaps you are just using the wrong terminal type.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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658
376386a54a3c Import from CVS: tag r19-14
cvs
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659 For terminals that lack a "no flow control" mode, sometimes just
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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660 giving lots of padding will prevent actual generation of flow control
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
661 codes. You might as well try it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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662
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
663 If you are really unlucky, your terminal is connected to the computer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
664 through a concentrator which sends XON/XOFF flow control to the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
665 computer, or it insists on sending flow control itself no matter how
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
666 much padding you give it. Unless you can figure out how to turn flow
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
667 control off on this concentrator (again, refer to your local wizard),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
668 you are screwed! You should have the terminal or concentrator
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
669 replaced with a properly designed one. In the mean time, some drastic
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
670 measures can make Emacs semi-work.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
671
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
672 You can make Emacs ignore C-s and C-q and let the operating system
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
673 handle them. To do this on a per-session basis, just type M-x
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
674 enable-flow-control RET. You will see a message that C-\ and C-^ are
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
675 now translated to C-s and C-q. (Use the same command M-x
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
676 enable-flow-control to turn *off* this special mode. It toggles flow
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
677 control handling.)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
678
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
679 If C-\ and C-^ are inconvenient for you (for example, if one of them
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
680 is the escape character of your terminal concentrator), you can choose
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
681 other characters by setting the variables flow-control-c-s-replacement
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
682 and flow-control-c-q-replacement. But choose carefully, since all
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
683 other control characters are already used by emacs.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
684
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
685 IMPORTANT: if you type C-s by accident while flow control is enabled,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
686 Emacs output will freeze, and you will have to remember to type C-q in
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
687 order to continue.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
688
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
689 If you work in an environment where a majority of terminals of a
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
690 certain type are flow control hobbled, you can use the function
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
691 `enable-flow-control-on' to turn on this flow control avoidance scheme
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
692 automatically. Here is an example:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
693
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
694 (enable-flow-control-on "vt200" "vt300" "vt101" "vt131")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
695
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
696 If this isn't quite correct (e.g. you have a mixture of flow-control hobbled
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
697 and good vt200 terminals), you can still run enable-flow-control
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
698 manually.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
699
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
700 I have no intention of ever redesigning the Emacs command set for the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
701 assumption that terminals use C-s/C-q flow control. XON/XOFF flow
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
702 control technique is a bad design, and terminals that need it are bad
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
703 merchandise and should not be purchased. Now that X is becoming
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
704 widespread, XON/XOFF seems to be on the way out. If you can get some
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
705 use out of GNU Emacs on inferior terminals, more power to you, but I
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
706 will not make Emacs worse for properly designed systems for the sake
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
707 of inferior systems.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
708
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
709 ** Control-S and Control-Q commands are ignored completely.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
710
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
711 For some reason, your system is using brain-damaged C-s/C-q flow
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
712 control despite Emacs's attempts to turn it off. Perhaps your
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
713 terminal is connected to the computer through a concentrator
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
714 that wants to use flow control.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
715
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
716 You should first try to tell the concentrator not to use flow control.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
717 If you succeed in this, try making the terminal work without
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
718 flow control, as described in the preceding section.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
719
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
720 If that line of approach is not successful, map some other characters
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
721 into C-s and C-q using keyboard-translate-table. The example above
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
722 shows how to do this with C-^ and C-\.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
723
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
724 ** Control-S and Control-Q commands are ignored completely on a net
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
725 connection.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
726
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
727 Some versions of rlogin (and possibly telnet) do not pass flow
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
728 control characters to the remote system to which they connect.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
729 On such systems, emacs on the remote system cannot disable flow
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
730 control on the local system.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
731
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
732 One way to cure this is to disable flow control on the local host
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
733 (the one running rlogin, not the one running rlogind) using the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
734 stty command, before starting the rlogin process. On many systems,
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
735 `stty start u stop u' will do this.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
736
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
737 Some versions of tcsh will prevent even this from working. One way
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
738 around this is to start another shell before starting rlogin, and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
739 issue the stty command to disable flow control from that shell.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
740
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
741 If none of these methods work, the best solution is to type
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
742 `M-x enable-flow-control' at the beginning of your emacs session, or
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
743 if you expect the problem to continue, add a line such as the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
744 following to your .emacs (on the host running rlogind):
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
745
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
746 (enable-flow-control-on "vt200" "vt300" "vt101" "vt131")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
747
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
748 See the entry about spontaneous display of I-search (above) for more
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
749 info.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
750
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
751 ** TTY redisplay is slow.
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
752
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
753 XEmacs has fairly new TTY redisplay support (beginning from 19.12),
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
754 which doesn't include some basic TTY optimizations -- like using
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
755 scrolling regions to move around blocks of text. This is why
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
756 redisplay on the traditional terminals, or over slow lines can be very
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
757 slow.
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
758
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
759 If you are interested in fixing this, please let us know at
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
760 <xemacs@xemacs.org>.
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
761
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
762 ** Screen is updated wrong, but only on one kind of terminal.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
763
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
764 This could mean that the termcap entry you are using for that terminal
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
765 is wrong, or it could mean that Emacs has a bug handing the
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
766 combination of features specified for that terminal.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
767
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
768 The first step in tracking this down is to record what characters
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
769 Emacs is sending to the terminal. Execute the Lisp expression
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
770 (open-termscript "./emacs-script") to make Emacs write all terminal
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
771 output into the file ~/emacs-script as well; then do what makes the
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
772 screen update wrong, and look at the file and decode the characters
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
773 using the manual for the terminal. There are several possibilities:
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
774
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
775 1) The characters sent are correct, according to the terminal manual.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
776
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
777 In this case, there is no obvious bug in Emacs, and most likely you
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
778 need more padding, or possibly the terminal manual is wrong.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
779
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
780 2) The characters sent are incorrect, due to an obscure aspect of the
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
781 terminal behavior not described in an obvious way by termcap.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
782
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
783 This case is hard. It will be necessary to think of a way for Emacs
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
784 to distinguish between terminals with this kind of behavior and other
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
785 terminals that behave subtly differently but are classified the same
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
786 by termcap; or else find an algorithm for Emacs to use that avoids the
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
787 difference. Such changes must be tested on many kinds of terminals.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
788
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
789 3) The termcap entry is wrong.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
790
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
791 See the file etc/TERMS for information on changes that are known to be
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
792 needed in commonly used termcap entries for certain terminals.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
793
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
794 4) The characters sent are incorrect, and clearly cannot be right for
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
795 any terminal with the termcap entry you were using.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
796
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
797 This is unambiguously an Emacs bug, and can probably be fixed in
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
798 termcap.c, terminfo.c, tparam.c, cm.c, redisplay-tty.c,
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
799 redisplay-output.c, or redisplay.c.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
800
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
801 ** Your Delete key sends a Backspace to the terminal, using an AIXterm.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
802
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
803 The solution is to include in your .Xdefaults the lines:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
804
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
805 *aixterm.Translations: #override <Key>BackSpace: string(0x7f)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
806 aixterm*ttyModes: erase ^?
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
807
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
808 This makes your Backspace key send DEL (ASCII 127).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
809
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
810 ** With certain fonts, when the cursor appears on a character, the
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
811 character doesn't appear--you get a solid box instead.
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
812
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
813 One user on a Linux system reported that this problem went away with
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
814 installation of a new X server. The failing server was XFree86 3.1.1.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
815 XFree86 3.1.2 works.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
816
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
817 ** On SunOS 4.1.3, Emacs unpredictably crashes in _yp_dobind_soft.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
818
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
819 This happens if you configure Emacs specifying just `sparc-sun-sunos4'
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
820 on a system that is version 4.1.3. You must specify the precise
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
821 version number (or let configure figure out the configuration, which
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
822 it can do perfectly well for SunOS).
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
823
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
824 ** On Irix, I don't see the toolbar icons and I'm getting lots of
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
825 entries in the warnings buffer.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
826
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
827 SGI ships a really old Xpm library in /usr/lib which does not work at
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
828 all well with XEmacs. The solution is to install your own copy of the
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
829 latest version of Xpm somewhere and then use the --site-includes and
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
830 --site-libraries flags to tell configure where to find it.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
831
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
832 ** On HPUX, you get "poll: Interrupted system call" message in the
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
833 window where XEmacs was launched.
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
834
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
835 Richard Cognot <cognot@ensg.u-nancy.fr> writes:
0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
836
197
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diff changeset
837 I get a very strange problem when linking libc.a dynamically: every
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
838 event (mouse, keyboard, expose...) results in a "poll: Interrupted
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
839 system call" message in the window where XEmacs was
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
840 launched. Forcing a static link of libc.a alone by adding
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
841 /usr/lib/libc.a at the end of the link line solves this. Note that
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
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diff changeset
842 my 9.07 build of 19.14b17 and my (old) build of 19.13 both exhibit
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
843 the same behaviour. I've tried various hpux patches to no avail. If
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
844 this problem cannot be solved before the release date, binary kits
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
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diff changeset
845 for HP *must* be linked statically against libc, otherwise this
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
846 problem will show up. (This is directed at whoever will volunteer
acd284d43ca1 Import from CVS: tag r20-3b25
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diff changeset
847 for this kit, as I won't be available to do it, unless 19.14 gets
acd284d43ca1 Import from CVS: tag r20-3b25
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diff changeset
848 delayed until mid-june ;-). I think this problem will be an FAQ soon
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
849 after the release otherwise.
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
850
227
0e522484dd2a Import from CVS: tag r20-5b12
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parents: 223
diff changeset
851 Note: The above entry is probably not valid for XEmacs 20.5 and
207
e45d5e7c476e Import from CVS: tag r20-4b2
cvs
parents: 203
diff changeset
852 later.
0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
853
124
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
854 ** When Emacs tries to ring the bell, you get an error like
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
855
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
856 audio: sst_open: SETQSIZE" Invalid argument
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
857 audio: sst_close: SETREG MMR2, Invalid argument
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
858
197
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parents: 163
diff changeset
859 you have probably compiled using an ANSI C compiler, but with non-ANSI
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
860 include files. In particular, on Suns, the file
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
861 /usr/include/sun/audioio.h uses the _IOW macro to define the constant
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
862 AUDIOSETQSIZE. _IOW in turn uses a K&R preprocessor feature that is
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
863 now explicitly forbidden in ANSI preprocessors, namely substitution
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
864 inside character constants. All ANSI C compilers must provide a
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
865 workaround for this problem. Lucid's C compiler is shipped with a new
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
866 set of system include files. If you are using GCC, there is a script
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
867 called fixincludes that creates new versions of some system include
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
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diff changeset
868 files that use this obsolete feature.
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
869
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
870 ** My buffers are full of \000 characters or otherwise corrupt.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
871
124
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
872 Some compilers have trouble with gmalloc.c and ralloc.c; try recompiling
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
873 without optimization. If that doesn't work, try recompiling with
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
874 SYSTEM_MALLOC defined, and/or with REL_ALLOC undefined.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
875
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
876 ** On AIX 4, some programs fail when run in a Shell buffer
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
877 with an error message like No terminfo entry for "unknown".
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
878
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
879 On AIX, many terminal type definitions are not installed by default.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
880 `unknown' is one of them. Install the "Special Generic Terminal
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
881 Definitions" to make them defined.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
882
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
883 ** Emacs exits with "X protocol error" when run with an X server for
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
884 Windows.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
885
124
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
886 A certain X server for Windows had a bug which caused this.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
887 Supposedly the newer 32-bit version of this server doesn't have the
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
888 problem.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
889
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
890 ** A position you specified in .Xdefaults is ignored, using twm.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
891
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
892 twm normally ignores "program-specified" positions.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
893 You can tell it to obey them with this command in your `.twmrc' file:
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
894
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
895 UsePPosition "on" #allow clents to request a position
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
896
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
897 ** The right Alt key works wrong on German HP keyboards (and perhaps
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
898 other non-English HP keyboards too).
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
899
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
900 This is because HPUX defines the modifiers wrong in X. Here is a
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
901 shell script to fix the problem; be sure that it is run after VUE
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
902 configures the X server.
0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
903
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
904 xmodmap 2> /dev/null - << EOF
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
905 keysym Alt_L = Meta_L
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
906 keysym Alt_R = Meta_R
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
907 EOF
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
908
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
909 xmodmap - << EOF
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
910 clear mod1
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
911 keysym Mode_switch = NoSymbol
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
912 add mod1 = Meta_L
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
913 keysym Meta_R = Mode_switch
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
914 add mod2 = Mode_switch
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
915 EOF
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
916
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
917 ** Trouble using ptys on IRIX, or running out of ptys.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
918
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
919 The program mkpts (which may be in `/usr/adm' or `/usr/sbin') needs to
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
920 be set-UID to root, or non-root programs like Emacs will not be able
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
921 to allocate ptys reliably.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
922
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
923 ** Motif dialog boxes lose on Irix.
126
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
924
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
925 Larry Auton <lda@control.att.com> writes:
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
926 Beware of not specifying
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
927
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
928 --with-dialogs=athena
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
929
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
930 if it builds with the motif dialogs [boom!] you're a dead man.
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
931
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
932 ** Beware of the default image & graphics library on Irix
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
933
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
934 Richard Cognot <cognot@ensg.u-nancy.fr> writes:
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
935 You *have* to compile your own jpeg lib. The one delivered with SGI
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
936 systems is a C++ lib, which apparently XEmacs cannot cope with.
1370575f1259 Import from CVS: tag xemacs-20-1p1
cvs
parents: 124
diff changeset
937
124
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
938 ** Slow startup on Linux.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
939
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
940 People using systems based on the Linux kernel sometimes report that
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
941 startup takes 10 to 15 seconds longer than `usual'.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
942
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
943 This is because Emacs looks up the host name when it starts.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
944 Normally, this takes negligible time; the extra delay is due to
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
945 improper system configuration. This problem can occur for both
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
946 networked and non-networked machines.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
947
124
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
948 Here is how to fix the configuration. It requires being root.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
949
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
950 *** Networked Case
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
951
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
952 First, make sure the files `/etc/hosts' and `/etc/host.conf' both
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
953 exist. The first line in the `/etc/hosts' file should look like this
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
954 (replace HOSTNAME with your host name):
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
955
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
956 127.0.0.1 localhost HOSTNAME
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
957
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
958 Also make sure that the `/etc/host.conf' files contains the following
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
959 lines:
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
960
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
961 order hosts, bind
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
962 multi on
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
963
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
964 Any changes, permanent and temporary, to the host name should be
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
965 indicated in the `/etc/hosts' file, since it acts a limited local
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
966 database of addresses and names (e.g., some SLIP connections
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
967 dynamically allocate ip addresses).
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
968
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
969 *** Non-Networked Case
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
970
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
971 The solution described in the networked case applies here as well.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
972 However, if you never intend to network your machine, you can use a
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
973 simpler solution: create an empty `/etc/host.conf' file. The command
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
974 `touch /etc/host.conf' suffices to create the file. The `/etc/hosts'
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
975 file is not necessary with this approach.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
976
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
977 ** On Solaris 2.4, Dired hangs and C-g does not work. Or Emacs hangs
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
978 forever waiting for termination of a subprocess that is a zombie.
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
979
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
980 casper@fwi.uva.nl says the problem is in X11R6. Rebuild libX11.so
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
981 after changing the file xc/config/cf/sunLib.tmpl. Change the lines
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
982
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
983 #if ThreadedX
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
984 #define SharedX11Reqs -lthread
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
985 #endif
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
986
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
987 to:
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
988
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
989 #if OSMinorVersion < 4
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
990 #if ThreadedX
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
991 #define SharedX11Reqs -lthread
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
992 #endif
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
993 #endif
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
994
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
995 Be sure also to edit x/config/cf/sun.cf so that OSMinorVersion is 4
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
996 (as it should be for Solaris 2.4). The file has three definitions for
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
997 OSMinorVersion: the first is for x86, the second for SPARC under
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
998 Solaris, and the third for SunOS 4. Make sure to update the
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
999 definition for your type of machine and system.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1000
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1001 Then do `make Everything' in the top directory of X11R6, to rebuild
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1002 the makefiles and rebuild X. The X built this way work only on
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1003 Solaris 2.4, not on 2.3.
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1004
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1005 For multithreaded X to work it necessary to install patch
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1006 101925-02 to fix problems in header files [2.4]. You need
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1007 to reinstall gcc or re-run just-fixinc after installing that
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1008 patch.
0
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1009
124
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diff changeset
1010 However, Frank Rust <frust@iti.cs.tu-bs.de> used a simpler solution:
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diff changeset
1011 he changed
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diff changeset
1012 #define ThreadedX YES
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diff changeset
1013 to
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1014 #define ThreadedX NO
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diff changeset
1015 in sun.cf and did `make World' to rebuild X11R6. Removing all
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1016 `-DXTHREAD*' flags and `-lthread' entries from lib/X11/Makefile and
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1017 typing 'make install' in that directory also seemed to work.
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diff changeset
1018
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diff changeset
1019 ** With M-x enable-flow-control, you need to type C-\ twice to do
197
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diff changeset
1020 incremental search--a single C-\ gets no response.
0
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parents:
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1021
124
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diff changeset
1022 This has been traced to communicating with your machine via kermit,
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1023 with C-\ as the kermit escape character. One solution is to use
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1024 another escape character in kermit. One user did
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1025
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cvs
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diff changeset
1026 set escape-character 17
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diff changeset
1027
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diff changeset
1028 in his .kermrc file, to make C-q the kermit escape character.
0
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1029
124
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diff changeset
1030 ** The Motif version of Emacs paints the screen a solid color.
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diff changeset
1031
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diff changeset
1032 This has been observed to result from the following X resource:
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diff changeset
1033
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diff changeset
1034 Emacs*default.attributeFont: -*-courier-medium-r-*-*-*-140-*-*-*-*-iso8859-*
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1035
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diff changeset
1036 That the resource has this effect indicates a bug in something, but we
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1037 do not yet know what. If it is an Emacs bug, we hope someone can
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1038 explain what the bug is so we can fix it. In the mean time, removing
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1039 the resource prevents the problem.
0
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1040
124
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diff changeset
1041 ** Regular expressions matching bugs on SCO systems.
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parents: 120
diff changeset
1042
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diff changeset
1043 On SCO, there are problems in regexp matching when Emacs is compiled
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1044 with the system compiler. The compiler version is "Microsoft C
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1045 version 6", SCO 4.2.0h Dev Sys Maintenance Supplement 01/06/93; Quick
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1046 C Compiler Version 1.00.46 (Beta). The solution is to compile with
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1047 GCC.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1048
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1049 ** In Shell mode, you get a ^M at the end of every line.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1050
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diff changeset
1051 This happens to people who use tcsh, because it is trying to be too
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1052 smart. It sees that the Shell uses terminal type `unknown' and turns
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1053 on the flag to output ^M at the end of each line. You can fix the
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1054 problem by adding this to your .cshrc file:
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diff changeset
1055
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diff changeset
1056 if ($?EMACS) then
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parents: 120
diff changeset
1057 if ($EMACS == "t") then
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1058 unset edit
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diff changeset
1059 stty -icrnl -onlcr -echo susp ^Z
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diff changeset
1060 endif
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1061 endif
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parents: 120
diff changeset
1062
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1063 ** An error message such as `X protocol error: BadMatch (invalid
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1064 parameter attributes) on protocol request 93'.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1065
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diff changeset
1066 This comes from having an invalid X resource, such as
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1067 emacs*Cursor: black
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1068 (which is invalid because it specifies a color name for something
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1069 that isn't a color.)
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1070
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diff changeset
1071 The fix is to correct your X resources.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1072
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1073 ** Mail is lost when sent to local aliases.
0
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1074
124
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diff changeset
1075 Many emacs mail user agents (VM and rmail, for instance) use the
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1076 sendmail.el library. This library can arrange for mail to be
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1077 delivered by passing messages to the /usr/lib/sendmail (usually)
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1078 program . In doing so, it passes the '-t' flag to sendmail, which
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1079 means that the name of the recipient of the message is not on the
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1080 command line and, therefore, that sendmail must parse the message to
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1081 obtain the destination address.
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1082
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1083 There is a bug in the SunOS4.1.1 and SunOS4.1.3 versions of sendmail.
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parents: 120
diff changeset
1084 In short, when given the -t flag, the SunOS sendmail won't recognize
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1085 non-local (i.e. NIS) aliases. It has been reported that the Solaris
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1086 2.x versions of sendmail do not have this bug. For those using SunOS
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1087 4.1, the best fix is to install sendmail V8 or IDA sendmail (which
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1088 have other advantages over the regular sendmail as well). At the time
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1089 of this writing, these official versions are available:
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1090
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1091 Sendmail V8 on ftp.cs.berkeley.edu in /ucb/sendmail:
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1092 sendmail.8.6.9.base.tar.Z (the base system source & documentation)
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1093 sendmail.8.6.9.cf.tar.Z (configuration files)
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parents: 120
diff changeset
1094 sendmail.8.6.9.misc.tar.Z (miscellaneous support programs)
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1095 sendmail.8.6.9.xdoc.tar.Z (extended documentation, with postscript)
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1096
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1097 IDA sendmail on vixen.cso.uiuc.edu in /pub:
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1098 sendmail-5.67b+IDA-1.5.tar.gz
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1099
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1100 ** On AIX, you get this message when running Emacs:
0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
1101
124
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diff changeset
1102 Could not load program emacs
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1103 Symbol smtcheckinit in csh is undefined
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1104 Error was: Exec format error
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1105
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1106 or this one:
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1107
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1108 Could not load program .emacs
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1109 Symbol _system_con in csh is undefined
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1110 Symbol _fp_trapsta in csh is undefined
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1111 Error was: Exec format error
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1112
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1113 These can happen when you try to run on AIX 3.2.5 a program that was
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1114 compiled with 3.2.4. The fix is to recompile.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1115
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1116 ** After running emacs once, subsequent invocations crash.
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parents: 120
diff changeset
1117
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1118 Some versions of SVR4 have a serious bug in the implementation of the
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1119 mmap () system call in the kernel; this causes emacs to run correctly
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1120 the first time, and then crash when run a second time.
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parents: 120
diff changeset
1121
9b50b4588a93 Import from CVS: tag r20-1b15
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1122 Contact your vendor and ask for the mmap bug fix; in the mean time,
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1123 you may be able to work around the problem by adding a line to your
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1124 operating system description file (whose name is reported by the
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1125 configure script) that reads:
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1126 #define SYSTEM_MALLOC
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1127 This makes Emacs use memory less efficiently, but seems to work around
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1128 the kernel bug.
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parents: 120
diff changeset
1129
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1130 ** Inability to send an Alt-modified key, when Emacs is communicating
197
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diff changeset
1131 directly with an X server.
0
376386a54a3c Import from CVS: tag r19-14
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parents:
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1132
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1133 If you have tried to bind an Alt-modified key as a command, and it
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1134 does not work to type the command, the first thing you should check is
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1135 whether the key is getting through to Emacs. To do this, type C-h c
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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1136 followed by the Alt-modified key. C-h c should say what kind of event
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1137 it read. If it says it read an Alt-modified key, then make sure you
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1138 have made the key binding correctly.
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1139
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1140 If C-h c reports an event that doesn't have the Alt modifier, it may
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1141 be because your X server has no key for the Alt modifier. The X
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1142 server that comes from MIT does not set up the Alt modifier by
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1143 default.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1144
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1145 If your keyboard has keys named Alt, you can enable them as follows:
0
376386a54a3c Import from CVS: tag r19-14
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parents:
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1146
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1147 xmodmap -e 'add mod2 = Alt_L'
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cvs
parents: 120
diff changeset
1148 xmodmap -e 'add mod2 = Alt_R'
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1149
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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1150 If the keyboard has just one key named Alt, then only one of those
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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1151 commands is needed. The modifier `mod2' is a reasonable choice if you
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1152 are using an unmodified MIT version of X. Otherwise, choose any
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1153 modifier bit not otherwise used.
0
376386a54a3c Import from CVS: tag r19-14
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parents:
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1154
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1155 If your keyboard does not have keys named Alt, you can use some other
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1156 keys. Use the keysym command in xmodmap to turn a function key (or
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
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1157 some other 'spare' key) into Alt_L or into Alt_R, and then use the
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1158 commands show above to make them modifier keys.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1159
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1160 Note that if you have Alt keys but no Meta keys, Emacs translates Alt
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
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1161 into Meta. This is because of the great importance of Meta in Emacs.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1162
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1163 ** `Pid xxx killed due to text modification or page I/O error'
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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1164
124
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diff changeset
1165 On HP/UX, you can get that error when the Emacs executable is on an NFS
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1166 file system. HP/UX responds this way if it tries to swap in a page and
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1167 does not get a response from the server within a timeout whose default
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1168 value is just ten seconds.
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1169
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1170 If this happens to you, extend the timeout period.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1171
197
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diff changeset
1172 ** `expand-file-name' fails to work on any but the machine you dumped
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diff changeset
1173 Emacs on.
124
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diff changeset
1174
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1175 On Ultrix, if you use any of the functions which look up information
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1176 in the passwd database before dumping Emacs (say, by using
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1177 expand-file-name in site-init.el), then those functions will not work
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1178 in the dumped Emacs on any host but the one Emacs was dumped on.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1179
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1180 The solution? Don't use expand-file-name in site-init.el, or in
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1181 anything it loads. Yuck - some solution.
0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
1182
124
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diff changeset
1183 I'm not sure why this happens; if you can find out exactly what is
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1184 going on, and perhaps find a fix or a workaround, please let us know.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1185 Perhaps the YP functions cache some information, the cache is included
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1186 in the dumped Emacs, and is then inaccurate on any other host.
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1187
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1188 ** Emacs fails to understand most Internet host names, even though
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1189 the names work properly with other programs on the same system.
197
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diff changeset
1190 Emacs won't work with X-windows if the value of DISPLAY is HOSTNAME:0.
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diff changeset
1191 Gnus can't make contact with the specified host for nntp.
0
376386a54a3c Import from CVS: tag r19-14
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1192
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1193 This typically happens on Suns and other systems that use shared
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1194 libraries. The cause is that the site has installed a version of the
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1195 shared library which uses a name server--but has not installed a
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1196 similar version of the unshared library which Emacs uses.
0
376386a54a3c Import from CVS: tag r19-14
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1197
124
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diff changeset
1198 The result is that most programs, using the shared library, work with
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1199 the nameserver, but Emacs does not.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1200
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1201 The fix is to install an unshared library that corresponds to what you
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1202 installed in the shared library, and then relink Emacs.
0
376386a54a3c Import from CVS: tag r19-14
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1203
124
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diff changeset
1204 On SunOS 4.1, simply define HAVE_RES_INIT.
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1205
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1206 If you have already installed the name resolver in the file libresolv.a,
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1207 then you need to compile Emacs to use that library. The easiest way to
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1208 do this is to add to config.h a definition of LIBS_SYSTEM, LIBS_MACHINE
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1209 or LIB_STANDARD which uses -lresolv. Watch out! If you redefine a macro
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1210 that is already in use in your configuration to supply some other libraries,
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1211 be careful not to lose the others.
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1212
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diff changeset
1213 Thus, you could start by adding this to config.h:
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diff changeset
1214
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1215 #define LIBS_SYSTEM -lresolv
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1216
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1217 Then if this gives you an error for redefining a macro, and you see that
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1218 the s- file defines LIBS_SYSTEM as -lfoo -lbar, you could change config.h
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1219 again to say this:
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1220
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1221 #define LIBS_SYSTEM -lresolv -lfoo -lbar
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1222
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1223 ** Trouble using ptys on AIX.
0
376386a54a3c Import from CVS: tag r19-14
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diff changeset
1224
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1225 People often install the pty devices on AIX incorrectly.
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1226 Use `smit pty' to reinstall them properly.
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parents: 120
diff changeset
1227
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1228 ** Shell mode on HP/UX gives the message, "`tty`: Ambiguous".
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1229
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1230 christos@theory.tn.cornell.edu says:
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1231
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1232 The problem is that in your .cshrc you have something that tries to
197
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1233 execute `tty`. If you are not running the shell on a real tty then tty
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1234 will print "not a tty". Csh expects one word in some places, but tty
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1235 is giving it back 3.
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1236
197
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1237 The solution is to add a pair of quotes around `tty` to make it a
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1238 single word:
0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
1239
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1240 if (`tty` == "/dev/console")
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1241
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1242 should be changed to:
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1243
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1244 if ("`tty`" == "/dev/console")
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1245
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1246 Even better, move things that set up terminal sections out of .cshrc
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1247 and into .login.
0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
1248
197
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diff changeset
1249 ** With process-connection-type set to t, each line of subprocess
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1250 output is terminated with a ^M, making ange-ftp and GNUS not work.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1251
197
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diff changeset
1252 On SunOS systems, this problem has been seen to be a result of an
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1253 incomplete installation of gcc 2.2 which allowed some non-ANSI
acd284d43ca1 Import from CVS: tag r20-3b25
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diff changeset
1254 compatible include files into the compilation. In particular this
acd284d43ca1 Import from CVS: tag r20-3b25
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diff changeset
1255 affected virtually all ioctl() calls.
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1256
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1257 ** Once you pull down a menu from the menubar, it won't go away.
0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
1258
197
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diff changeset
1259 It has been claimed that this is caused by a bug in certain very old
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1260 (1990?) versions of the twm window manager. It doesn't happen with
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1261 recent vintages, or with other window managers.
124
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1262
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1263 ** Emacs ignores the "help" key when running OLWM.
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1264
197
acd284d43ca1 Import from CVS: tag r20-3b25
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diff changeset
1265 OLWM grabs the help key, and retransmits it to the appropriate client
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1266 using XSendEvent. Allowing emacs to react to synthetic events is a
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1267 security hole, so this is turned off by default. You can enable it by
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1268 setting the variable x-allow-sendevents to t. You can also cause fix
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1269 this by telling OLWM to not grab the help key, with the null binding
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
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diff changeset
1270 "OpenWindows.KeyboardCommand.Help:".
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1271
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1272 ** Programs running under terminal emulator do not recognize `emacs'
197
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cvs
parents: 163
diff changeset
1273 terminal type.
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1274
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1275 The cause of this is a shell startup file that sets the TERMCAP
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1276 environment variable. The terminal emulator uses that variable to
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1277 provide the information on the special terminal type that Emacs
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1278 emulates.
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1279
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1280 Rewrite your shell startup file so that it does not change TERMCAP
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1281 in such a case. You could use the following conditional which sets
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1282 it only if it is undefined.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1283
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1284 if ( ! ${?TERMCAP} ) setenv TERMCAP ~/my-termcap-file
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1285
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1286 Or you could set TERMCAP only when you set TERM--which should not
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1287 happen in a non-login shell.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1288
197
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parents: 163
diff changeset
1289
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1290 * Compatibility problems (with Emacs 18, GNU Emacs, or previous XEmacs/lemacs)
197
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1291 ==============================================================================
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1292
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1293 ** "Symbol's value as variable is void: unread-command-char".
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1294 "Wrong type argument: arrayp, #<keymap 143 entries>"
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1295 "Wrong type argument: stringp, [#<keypress-event return>]"
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1296
124
9b50b4588a93 Import from CVS: tag r20-1b15
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diff changeset
1297 There are a few incompatible changes in XEmacs, and these are the
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1298 symptoms. Some of the emacs-lisp code you are running needs to be
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1299 updated to be compatible with XEmacs.
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1300
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1301 The code should not treat keymaps as arrays (use `define-key', etc.),
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1302 should not use obsolete variables like `unread-command-char' (use
197
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cvs
parents: 163
diff changeset
1303 `unread-command-events'). Many (most) of the new ways of doing things
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1304 are compatible in GNU Emacs and XEmacs.
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1305
197
acd284d43ca1 Import from CVS: tag r20-3b25
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parents: 163
diff changeset
1306 Modern Emacs packages (Gnus, VM, W3, efs, etc) are written to support
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1307 GNU Emacs and XEmacs. We have provided modified versions of several
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1308 popular emacs packages (dired, etc) which are compatible with this
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1309 version of emacs. Check to make sure you have not set your load-path
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1310 so that your private copies of these packages are being found before
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1311 the versions in the lisp directory.
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1312
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1313 Make sure that your load-path and your $EMACSLOADPATH environment
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1314 variable are not pointing at an Emacs18 lisp directory. This will
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1315 cripple emacs.
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1316
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
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diff changeset
1317 ** Some packages that worked before now cause the error
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1318 Wrong type argument: arrayp, #<face ... >
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1319
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1320 Code which uses the `face' accessor functions must be recompiled with
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1321 xemacs 19.9 or later. The functions whose callers must be recompiled
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1322 are: face-font, face-foreground, face-background,
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1323 face-background-pixmap, and face-underline-p. The .elc files
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1324 generated by version 19.9 will work in 19.6 and 19.8, but older .elc
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1325 files which contain calls to these functions will not work in 19.9.
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1326
9b50b4588a93 Import from CVS: tag r20-1b15
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parents: 120
diff changeset
1327 ** Signaling: (error "Byte code stack underflow (byte compiler bug), pc 38")
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1328
120
cca96a509cfe Import from CVS: tag r20-1b12
cvs
parents: 116
diff changeset
1329 This error is given when XEmacs 20 is compiled without MULE support
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1330 but is attempting to load a .elc which requires MULE support. The fix
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1331 is to rebytecompile the offending file.
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1332
124
9b50b4588a93 Import from CVS: tag r20-1b15
cvs
parents: 120
diff changeset
1333 ** Signaling: (wrong-type-argument ...) when loading mail-abbrevs
88
821dec489c24 Import from CVS: tag r20-0
cvs
parents: 70
diff changeset
1334
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1335 The is seen when installing the Insidious Big Brother Data Base (bbdb)
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1336 which includes an outdated copy of mail-abbrevs.el. Remove the copy
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1337 that comes with bbdb and use the one that comes with XEmacs.
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1338
144
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1339
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1340 * MULE issues
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1341 =============
144
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1342
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1343 ** A reminder: XEmacs/Mule work does not currently receive *any*
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1344 funding, and all work is done by volunteers. If you think you can
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1345 help, please contact the XEmacs maintainers.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1346
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1347 ** XEmacs/Mule doesn't work on a tty.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1348
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1349 This is a major problem, which we plan to address in a future release
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1350 of XEmacs. Basically, XEmacs should have primitives to be told
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1351 whether the terminal can handle international output, and which
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1352 locale. Also, it should be able to do approximations of characters to
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1353 the nearest supported by the locale.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1354
197
acd284d43ca1 Import from CVS: tag r20-3b25
cvs
parents: 163
diff changeset
1355 ** Internationalized (Asian) Isearch doesn't work.
144
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1356
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1357 Currently, Isearch doesn't directly support any of the input methods
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1358 that are not XIM based (like egg, canna and quail) (and there are
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1359 potential problems with XIM version too...). If you're using egg
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1360 there is a workaround. Hitting <RET> right after C-s to invoke
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1361 Isearch will put Isearch in string mode, where a complete string can
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1362 be typed into the minibuffer and then processed by Isearch afterwards.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1363 Since egg is now supported in the minibuffer using string mode you can
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1364 now use egg to input your Japanese, Korean or Chinese string, then hit
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1365 return to send that to Isearch and then use standard Isearch commands
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1366 from there.
144
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1367
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1368 ** Using egg and mousing around while in 'fence' mode screws up my
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1369 buffer.
144
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1370
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1371 Don't do this. The fence modes of egg and canna are currently very
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1372 modal, and messing with where they expect point to be and what they
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1373 think is the current buffer is just asking for trouble. If you're
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1374 lucky they will realize that something is awry, and simply delete the
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1375 fence, but worst case can trash other buffers too. We've tried to
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1376 protect against this where we can, but there still are many ways to
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1377 shoot yourself in the foot. So just finish what you are typing into
318232e2a3f0 Import from CVS: tag r20-2b6
cvs
parents: 138
diff changeset
1378 the fence before reaching for the mouse.
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1379
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1380 ** Not all languages in Quail are supported like Devanagari and Indian
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1381 languages, Lao and Tibetan.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1382
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1383 Quail requires more work and testing. Although it has been ported to
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1384 XEmacs, it works really well for Japanese and for the European
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1385 languages.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1386
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1387 ** Right-to-left mode is not yet implemented, so languages like
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1388 Arabic, Hebrew and Thai don't work.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1389
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1390 Getting this right requires more work. It may be implemented in a
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1391 future XEmacs version, but don't hold your breath. If you know
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1392 someone who is ready to implement this, please let us know.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1393
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1394 ** We need more developers and native language testers. It's extremely
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1395 difficult (and not particularly productive) to address languages that
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1396 nobody is using and testing.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1397
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1398 ** The kWnn and cWnn support for Chinese and Korean needs developers
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1399 and testers. It probably doesn't work.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1400
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1401 ** There are no `native XEmacs' TUTORIALs for any Asian languages,
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1402 including Japanese. FSF Emacs and XEmacs tutorials are quite similar,
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1403 so it should be sufficient to skim through the differences and apply
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1404 them to the Japanese version.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1405
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1406 ** We only have localized menus translated for Japanese, and the
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1407 Japanese menus are developing bitrot (the Mule menu appears in
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1408 English).
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1409
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 215
diff changeset
1410 ** XIM is untested for any language other than Japanese.