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1 #!/bin/sh
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2 # update-elc.sh --- recompile all missing or out-or-date .elc files
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3
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4 # Author: Jamie Zawinski, Ben Wing, Martin Buchholz
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5 # Maintainer: Martin Buchholz
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6 # Keywords: recompile .el .elc
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7
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8 ### Commentary:
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9 ## Recompile all .elc files that need recompilation. Requires a
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10 ## working version of 'xemacs'. Correctly handles the case where the
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11 ## .elc files are missing; thus you can execute 'rm lisp/*/*.elc'
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12 ## before running this script. Run this from the parent of the
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13 ## `lisp' directory, or another nearby directory.
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14
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15 set -eu
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16
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17 # Try to find the lisp directory in several places.
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18 # (Sun workspaces have an `editor' directory)
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19 for dir in . .. ../.. editor ../editor ; do
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20 if test -d $dir ; then cd $dir ; break ; fi
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21 done
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22
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23 if test ! -d lisp/. ; then
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24 echo "$0: Cannot find the \`lisp' directory."
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25 exit 1
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26 fi
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27
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28
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29 EMACS=${XEMACS:-./src/xemacs}; export EMACS
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30 REAL=`cd \`dirname $EMACS\` ; pwd | sed 's:^/tmp_mnt::'`/`basename $EMACS`
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31 BYTECOMP="$REAL -batch -q -no-site-file -l bytecomp"
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32 echo "Recompiling in `pwd|sed 's:^/tmp_mnt::'`"
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33 echo " with $REAL..."
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34
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35 prune_vc="( -name SCCS -o -name RCS -o -name CVS ) -prune -o"
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36
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37 # $els is a list of all .el files
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38 # $elcs is a list of all .elc files
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39 els=/tmp/rcl1.$$ ; elcs=/tmp/rcl2.$$
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40 rm -f $els $elcs
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41 trap "rm -f $els $elcs" 0 1 2 3 15
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42 find lisp/. $prune_vc -name '*.el' -print | sort > $els
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43 find lisp/. $prune_vc -name '*.elc' -print | sed 's/elc$/el/' | sort > $elcs
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44
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45
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46 echo "Deleting .elc files without .el files..."
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47 comm -13 $els $elcs | sed -e '\!/vm.el!d' -e '\!/w3.el!d' -e 's/el$/elc/' | \
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48 while read file ; do echo rm "$file" ; rm "$file" ; done
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49 echo "Deleting .elc files without .el files... Done"
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50
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51
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52 # Compute patterns to ignore when searching for files
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53 ignore_dirs="egg its quail" # ### Not ported yet...
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54
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55 # Only use Mule XEmacs to compile Mule-specific elisp dirs
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56 echo "Checking for Mule support..."
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57 lisp_prog='(princ (featurep (quote mule)))'
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58 mule_p="`$REAL -batch -no-site-file -eval \"$lisp_prog\"`"
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59 if test "$mule_p" = nil ; then
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60 echo No
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61 ignore_dirs="$ignore_dirs mule"
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62 elif test "$mule_p" = t; then
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63 echo Yes
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64 else
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65 echo "Error determining presence of mule support"
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66 exit 1;
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67 fi
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68
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69 # first recompile the byte-compiler, so that the other compiles take place
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70 # with the latest version (assuming we're compiling the lisp dir of the emacs
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71 # we're running, which might not be the case, but often is.)
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72 echo "Checking the byte compiler..."
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73 $BYTECOMP -f batch-byte-recompile-directory lisp/bytecomp
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74
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75 # Prepare for byte-compiling directories with directory-specific instructions
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76 make_special_commands=''
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77 make_special () {
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78 dir="$1"; shift;
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79 ignore_dirs="$ignore_dirs $dir"
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80 make_special_commands="$make_special_commands \
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81 echo \"Compiling in lisp/$dir\"; \
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82 (cd \"lisp/$dir\"; \
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83 ${MAKE:-make} EMACS=$REAL ${1+$*}); \
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84 echo \"lisp/$dir done.\";"
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85 }
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86
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87 make_special vm
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88 #make_special ediff elc
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89 #make_special viper elc
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90 make_special gnus some
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91 make_special w3
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92 make_special hyperbole elc
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93 make_special oobr HYPB_ELC='' elc
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94 make_special eos -k # not stricly necessary...
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95 make_special ilisp elc
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96
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97 ignore_pattern=''
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98 for dir in $ignore_dirs ; do
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99 ignore_pattern="${ignore_pattern}/\\/$dir\\//d
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100 /\\/$dir\$/d
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101 "
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102 done
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103
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104 # Other special-case filenames that don't get byte-compiled
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105 ignore_pattern="$ignore_pattern"'
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106 \!/,!d
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107 \!/edebug/edebug-test.el$!d
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108 \!/emulators/edt.el$!d
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109 \!/energize/energize-load.el$!d
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110 \!/energize/write-file.el$!d
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111 \!/paths.el$!d
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112 \!/prim/loadup.el$!d
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113 \!/prim/loadup-el.el$!d
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114 \!/prim/update-elc.el$!d
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115 \!/site-start.el$!d
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116 \!/site-load.el$!d
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117 \!/site-init.el$!d
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118 \!/version.el$!d
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119 \!/sunpro/sunpro-load.el$!d
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120 '
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121
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122 echo "Compiling files without .elc..."
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123 NUMTOCOMPILE=20 # compile this many files with each invocation
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124 comm -23 $els $elcs | \
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125 sed "$ignore_pattern" | \
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126 xargs -t -n$NUMTOCOMPILE $BYTECOMP -f batch-byte-compile
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127 echo "Compiling files without .elc... Done"
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128
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129
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130 echo "Compiling files with out-of-date .elc..."
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131 find lisp/* $prune_vc -type d -print | \
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132 sed "$ignore_pattern" | \
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133 xargs -t $BYTECOMP -f batch-byte-recompile-directory
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134 echo "Compiling files with out-of-date .elc... Done"
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135
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136
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137 eval "$make_special_commands"
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