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[xemacs-hg @ 2004-01-28 11:20:34 by stephent] configure fixes <87ektkgw4y.fsf@tleepslib.sk.tsukuba.ac.jp>
author stephent
date Wed, 28 Jan 2004 11:20:42 +0000
parents b37a2b08a901
children 84785da441f9
comparison
equal deleted inserted replaced
1888:71e9a0048be8 1889:bf8be6575eae
74 ]+],[ ]); do eval "echo \"$var = '\$$var'\""; done]) 74 ]+],[ ]); do eval "echo \"$var = '\$$var'\""; done])
75 75
76 dnl Disable cache files: 76 dnl Disable cache files:
77 dnl This is controversial, but I am convinced this is the right way to go, 77 dnl This is controversial, but I am convinced this is the right way to go,
78 dnl at least by default. Otherwise there are too many surprises. 78 dnl at least by default. Otherwise there are too many surprises.
79 dnl It's been several years, and nobody noticed. -- sjt, 2004-01-28
79 define([AC_CACHE_LOAD], )dnl 80 define([AC_CACHE_LOAD], )dnl
80 define([AC_CACHE_SAVE], )dnl 81 define([AC_CACHE_SAVE], )dnl
81 define([AC_CACHE_VAL], [ 82 define([AC_CACHE_VAL], [
82 $2 83 $2
83 ])dnl 84 ])dnl
246 dnl XE_STRIP_4TH_COMPONENT(var) 247 dnl XE_STRIP_4TH_COMPONENT(var)
247 dnl Changes i986-pc-linux-gnu to i986-pc-linux, as God (not RMS) intended. 248 dnl Changes i986-pc-linux-gnu to i986-pc-linux, as God (not RMS) intended.
248 define([XE_STRIP_4TH_COMPONENT], 249 define([XE_STRIP_4TH_COMPONENT],
249 [$1=`echo "$$1" | sed '[s/^\([^-][^-]*-[^-][^-]*-[^-][^-]*\)-.*$/\1/]'`]) 250 [$1=`echo "$$1" | sed '[s/^\([^-][^-]*-[^-][^-]*-[^-][^-]*\)-.*$/\1/]'`])
250 251
251 dnl Initialize some variables set by options.
252 dnl The variables have the same names as the options, with
253 dnl dashes changed to underlines.
254
255 define([USAGE_ERROR], 252 define([USAGE_ERROR],
256 [(echo "$progname: Usage error:" 253 [(echo "$progname: Usage error:"
257 echo " " $1 254 echo " " $1
258 echo " Use \`$progname --help' to show usage.") >&2 && exit 1]) 255 echo " Use \`$progname --help' to show usage.") >&2 && exit 1])
259 256
277 unset CDPATH 274 unset CDPATH
278 else 275 else
279 if test -n "$CDPATH"; then CDPATH="."; export CDPATH; fi 276 if test -n "$CDPATH"; then CDPATH="."; export CDPATH; fi
280 fi 277 fi
281 278
282 dnl srcdir is used internally by autoconf macros 279 dnl Find the source directory.
283 dnl parse it here 280 dnl srcdir is used internally by autoconf macros,
284 for xe_parse_arg in "$@"; do 281 dnl so parse it here.
282 for xe_parse_arg; do
285 case $xe_parse_arg in 283 case $xe_parse_arg in
286 --srcdir) USAGE_ERROR("The \`--srcdir' option requires a boolean value: \`yes' or \`no'.") ;; 284 --srcdir) USAGE_ERROR(["The \`--srcdir' option requires a string value."]) ;;
287 --srcdir=*) srcdir=`echo $xe_parse_arg | sed -e 's/--srcdir=//'` ;; 285 --srcdir=*) srcdir=`echo $xe_parse_arg | sed -e 's/--srcdir=//'` ;;
288 *) ;; 286 *) ;;
289 esac 287 esac
290 done 288 done
291 289
308 x_includes=NONE 306 x_includes=NONE
309 x_libraries=NONE 307 x_libraries=NONE
310 308
311 dnl Initialize some other variables. 309 dnl Initialize some other variables.
312 subdirs= 310 subdirs=
313 MFLAGS= MAKEFLAGS= 311 MFLAGS=
312 MAKEFLAGS=
314 SHELL=${CONFIG_SHELL-/bin/sh} 313 SHELL=${CONFIG_SHELL-/bin/sh}
315 dnl Maximum number of lines to put in a shell here document. 314 dnl Maximum number of lines to put in a shell here document.
316 ac_max_here_lines=12 315 ac_max_here_lines=12
317 ])dnl AC_INIT_PARSE_ARGS 316 ])dnl AC_INIT_PARSE_ARGS
318 317
319 AC_INIT(src/lisp.h)dnl 318 AC_INIT(src/lisp.h)dnl
320 AC_CONFIG_HEADER(src/config.h lwlib/config.h) 319 AC_CONFIG_HEADER(src/config.h lwlib/config.h)
320
321 dnl Remove any more than one leading "." element from the path name. 321 dnl Remove any more than one leading "." element from the path name.
322 dnl If we do not remove them, then another "./" will be prepended to 322 dnl If we do not remove them, then another "./" will be prepended to
323 dnl the file name each time we use config.status, and the program name 323 dnl the file name each time we use config.status, and the program name
324 dnl will get larger and larger. This would not be a problem, except 324 dnl will get larger and larger. This would not be a problem, except
325 dnl that since progname gets recorded in all the Makefiles this script 325 dnl that since progname gets recorded in all the Makefiles this script
441 dnl some shell magic to make 'set x "$arguments"; shift' work portably. 441 dnl some shell magic to make 'set x "$arguments"; shift' work portably.
442 while test $# != 0; do 442 while test $# != 0; do
443 arg="$1"; shift 443 arg="$1"; shift
444 case "$arg" in 444 case "$arg" in
445 --no-create|--no-recursion) ;; 445 --no-create|--no-recursion) ;;
446 --srcdir=*) ;; 446 --srcdir=*) ;; dnl Ignore here; parsed during AC_INIT.
447 dnl Anything starting with a hyphen we assume is an option. 447 dnl Anything starting with a hyphen we assume is an option.
448 -* ) 448 -* )
449 dnl Separate the switch name from the value it is being given. 449 dnl Separate the switch name from the value it is being given.
450 case "$arg" in 450 case "$arg" in
451 -*=*) 451 -*=*)
766 fi 766 fi
767 echeck_notfirst=true 767 echeck_notfirst=true
768 done 768 done
769 ;; 769 ;;
770 770
771 dnl Has the user tried to tell us where the X files are?
772 dnl I think these are dopey, but no less than three alpha
773 dnl testers, at large sites, have said they have their X files
774 dnl installed in odd places.
775
776 dnl Has the user specified one of the path options? 771 dnl Has the user specified one of the path options?
777 prefix | exec_prefix | bindir | datadir | statedir | libdir | \ 772 prefix | exec_prefix | bindir | datadir | statedir | libdir | \
778 mandir | infodir | infopath | lispdir | etcdir | \ 773 mandir | infodir | infopath | lispdir | etcdir | \
779 archlibdir | docdir | package_path | moduledir ) 774 archlibdir | docdir | package_path | moduledir )
780 dnl If the value was omitted, get it from the next argument. 775 dnl If the value was omitted, get it from the next argument.
895 ]) 890 ])
896 891
897 dnl CDE requires tooltalk 892 dnl CDE requires tooltalk
898 XE_CHECK_FEATURE_DEPENDENCY(cde, tooltalk) 893 XE_CHECK_FEATURE_DEPENDENCY(cde, tooltalk)
899 894
900 dnl Find the source directory. 895 dnl Done parsing options.
901 case "$srcdir" in
902
903 dnl If srcdir is not specified, try directory part of $0, ".", or "..".
904 "" )
905 for dir in "`echo $0 | sed 's|//|/|' | sed 's|/[[^/]]*$||'`" "." ".." ; do
906 if test -f "$dir/src/lisp.h" -a \
907 -f "$dir/lisp/version.el" ; then
908 srcdir="$dir"
909 break
910 fi
911 done
912 if test -z "$srcdir" ; then
913 USAGE_ERROR(["None of the path to configure, the current directory,
914 and its parent seem to contain the XEmacs sources. If you do not want
915 to build XEmacs in its source tree, you should run \`$progname' in the
916 directory in which you wish to build XEmacs, using the \`--srcdir' option
917 to say where the sources may be found."])
918 fi
919 ;;
920
921 dnl Otherwise, check if the directory they specified is okay.
922 * )
923 if test ! -f "$srcdir/src/lisp.h" -o \
924 ! -f "$srcdir/lisp/version.el" ; then
925 USAGE_ERROR(["The directory specified with the \`--srcdir' option,
926 \`$srcdir', doesn't seem to contain the XEmacs sources. You should
927 either run the \`$progname' script at the top of the XEmacs source
928 tree, or use the \`--srcdir' option to specify the XEmacs source directory."])
929 fi
930 ;;
931 esac
932
933 dnl ########################################################################### 896 dnl ###########################################################################
934 if test -z "$configuration"; then 897 if test -z "$configuration"; then
935 dnl Guess the configuration 898 dnl Guess the configuration
936 configuration=`${CONFIG_SHELL-/bin/sh} $srcdir/config.guess` 899 configuration=`${CONFIG_SHELL-/bin/sh} $srcdir/config.guess`
937 if test -z "$configuration"; then 900 if test -z "$configuration"; then
1018 version="${version}.${emacs_beta_version}" 981 version="${version}.${emacs_beta_version}"
1019 AC_DEFINE_UNQUOTED(EMACS_PATCH_LEVEL, $emacs_beta_version) 982 AC_DEFINE_UNQUOTED(EMACS_PATCH_LEVEL, $emacs_beta_version)
1020 fi 983 fi
1021 fi 984 fi
1022 AC_DEFINE_UNQUOTED(XEMACS_CODENAME, "$xemacs_codename") 985 AC_DEFINE_UNQUOTED(XEMACS_CODENAME, "$xemacs_codename")
1023 if test "X$xemacs_extra_name" != "X"; then 986 if test "$xemacs_extra_name" != ""; then
1024 AC_DEFINE_UNQUOTED(XEMACS_EXTRA_NAME, "$xemacs_extra_name") 987 AC_DEFINE_UNQUOTED(XEMACS_EXTRA_NAME, "$xemacs_extra_name")
1025 fi 988 fi
1026 AC_DEFINE_UNQUOTED(EMACS_VERSION, "$version") 989 AC_DEFINE_UNQUOTED(EMACS_VERSION, "$version")
1027 990
1028 if test "$with_infodock" = "yes"; then 991 if test "$with_infodock" = "yes"; then
1720 [case "$conftest_rc" in 1683 [case "$conftest_rc" in
1721 11) echo "You appear to be using GCC version 3 or above."; __GCC3=yes ;; 1684 11) echo "You appear to be using GCC version 3 or above."; __GCC3=yes ;;
1722 esac]) 1685 esac])
1723 fi 1686 fi
1724 1687
1688 dnl Support for using a different compiler for xemacs itself.
1689 dnl Useful for building XEmacs with a C++ compiler.
1690 dnl For example, `configure --compiler=gcc --xemacs-compiler=g++
1691
1692 dnl The compiler used to build xemacs, as opposed to the compiler
1693 dnl used by configure and lib-src, is determined from the following
1694 dnl sources, in order of priority:
1695 dnl o --xemacs-compiler configure flag
1696 dnl o XEMACS_CC environment variable
1697 dnl o same as the regular compiler, (determined previously)
1698
1699 dnl We don't do AC_PROG_CC for XEMACS_CC; if we can't trust these people....
1700 test -n "$xemacs_compiler" && XEMACS_CC="$xemacs_compiler"
1701 : ${XEMACS_CC:="$CC"}
1702
1725 dnl Figure out what C preprocessor to use. 1703 dnl Figure out what C preprocessor to use.
1726 1704
1727 dnl On Sun systems, people sometimes set up the variable CPP 1705 dnl On Sun systems, people sometimes set up the variable CPP
1728 dnl with a value that is a directory, not an executable at all. 1706 dnl with a value that is a directory, not an executable at all.
1729 dnl Detect that case, and ignore that value. 1707 dnl Detect that case, and ignore that value.
1990 c_switch_system="$xe_save_c_switch_system"]) 1968 c_switch_system="$xe_save_c_switch_system"])
1991 AC_MSG_RESULT($need_kalloca) 1969 AC_MSG_RESULT($need_kalloca)
1992 test "$need_kalloca" = "yes" && XE_APPEND(-Kalloca,c_switch_system) 1970 test "$need_kalloca" = "yes" && XE_APPEND(-Kalloca,c_switch_system)
1993 fi 1971 fi
1994 1972
1973 dnl If we're specifying XEMACS_CC, it'd better be in the same family
1974 dnl as CC or the following flag calculations are bogus.
1975 dnl #### We may want to actually error and abort here, but I am not sure.
1976 if test "$CC" != "$XEMACS_CC"; then
1977 if test "$XEMACS_CC" = "g++" -a "$GCC" != "yes"; then
1978 AC_MSG_WARN([CC and g++ are mismatched; XE_CFLAGS may be wrong])
1979 xemacs_cc_cc_mismatch=yes
1980 elif test -n "$GCC" -a "$XEMACS_CC" != "g++"; then
1981 AC_MSG_WARN([gcc and XEMACS_CC are mismatched; XE_CFLAGS may be wrong])
1982 xemacs_cc_cc_mismatch=yes
1983 dnl #### Add other detectable mismatches here.
1984 else
1985 xemacs_cc_cc_mismatch=no
1986 fi
1987 fi
1988
1989 dnl #### This may need to be overhauled so that all of XEMACS_CC's flags
1990 dnl are handled separately, not just the xe_cflags_warning stuff.
1991
1995 dnl Calculate value of CFLAGS: 1992 dnl Calculate value of CFLAGS:
1996 dnl Use either command line flag, environment var, or autodetection 1993 dnl Use either command line flag, environment var, or autodetection
1997 if test "$cflags_specified" = "no"; then 1994 if test "$cflags_specified" = "no"; then
1998 dnl Following values of CFLAGS are known to work well. 1995 dnl Following values of CFLAGS are known to work well.
1999 dnl Should we take debugging options into consideration? 1996 dnl Should we take debugging options into consideration?
2000 if test "$GCC" = "yes"; then 1997 if test "$GCC" = "yes"; then
2001 CFLAGS="-g -O3" 1998 CFLAGS="-g -O3"
2002 dnl I'm not convinced this is a good idea any more. -sb
2003 dnl test "$opsys $machine" = "linux intel386" && \
2004 dnl CFLAGS="$CFLAGS -fno-strength-reduce -malign-loops=2 -malign-jumps=2 -malign-functions=2"
2005 elif test "$__SUNPRO_C" = "yes"; then 1999 elif test "$__SUNPRO_C" = "yes"; then
2006 case "$opsys" in 2000 case "$opsys" in
2007 sol2 ) CFLAGS="-xO4" ;; 2001 sol2 ) CFLAGS="-xO4" ;;
2008 sunos4* ) CFLAGS="-xO2" ;; 2002 sunos4* ) CFLAGS="-xO2" ;;
2009 esac 2003 esac
2017 else 2011 else
2018 CFLAGS="-O" ;dnl The only POSIX-approved flag 2012 CFLAGS="-O" ;dnl The only POSIX-approved flag
2019 fi 2013 fi
2020 fi 2014 fi
2021 2015
2022 dnl Calculate warning flags. We now separate the flags for warnings from 2016 dnl Calculate warning flags. We separate the flags for warnings from
2023 dnl the other flags because we really really want the warnings to be seen 2017 dnl the other flags because we want to force the warnings to be seen
2024 dnl by everyone. 2018 dnl by everyone who doesn't specifically override them.
2019
2020 dnl If this stays nil, it will be set to cflags_warning before use.
2021 xe_cflags_warning=""
2025 2022
2026 if test "$cflags_warning_specified" = "no"; then 2023 if test "$cflags_warning_specified" = "no"; then
2027 dnl Following warning flags are known to work well. 2024 dnl Following warning flags are known to work well.
2028 if test "$GCC" = "yes"; then 2025 if test "$__SUNPRO_C" = "yes"; then
2029 cflags_warning="-Wall -Wno-switch -Winline -Wmissing-prototypes"
2030 dnl Yuck, bad compares have been worth at least 3 crashes!
2031 cflags_warning="$cflags_warning -Wsign-compare"
2032 dnl NOTE: The following three, as well as -Wmissing-declarations and
2033 dnl -Weffc++ below, have been recently added. If you are getting
2034 dnl grief from them, please notify ben@xemacs.org!
2035 cflags_warning="$cflags_warning -Wundef -Wstrict-prototypes"
2036 if test "$__GCC3" = "yes"; then
2037 cflags_warning="$cflags_warning -Wpacked"
2038 fi
2039 dnl With g++, -Wshadow produces five zillion utterly random warnings --
2040 dnl a local var named `buffer' conflicts with `struct buffer' for
2041 dnl example. Even with gcc, -Wshadow is questionable because of its
2042 dnl complaints about parameters with the same names as global functions.
2043 if test "$xemacs_compiler" != "g++"; then
2044 dnl no -Wmissing-declarations under g++.
2045 cflags_warning="$cflags_warning -Wshadow -Wmissing-declarations"
2046 else
2047 cflags_warning="$cflags_warning -Weffc++"
2048 fi
2049 dnl glibc is intentionally not `-Wpointer-arith'-clean.
2050 dnl Ulrich Drepper has rejected patches to fix the glibc header files.
2051 test "$have_glibc" != "yes" && \
2052 cflags_warning="$cflags_warning -Wpointer-arith"
2053 elif test "$__SUNPRO_C" = "yes"; then
2054 case "$opsys" in 2026 case "$opsys" in
2055 sol2 ) cflags_warning="-v" ;; 2027 sol2 ) cflags_warning="-v" ;;
2056 esac 2028 esac
2057 elif test "$CC" = "xlc"; then 2029 elif test "$CC" = "xlc"; then
2058 cflags_warning="-qinfo" 2030 cflags_warning="-qinfo"
2031 elif test "$GCC" = "yes"; then
2032 cflags_warning="-Wall -Wno-switch -Winline -Wmissing-prototypes"
2033 dnl Yuck, bad compares have been worth at least 3 crashes!
2034 cflags_warning="$cflags_warning -Wsign-compare"
2035 cflags_warning="$cflags_warning -Wundef -Wstrict-prototypes"
2036 if test "$__GCC3" = "yes"; then
2037 cflags_warning="$cflags_warning -Wpacked"
2038 fi
2039 dnl Warning flags for the XEMACS_CC compiler
2040 dnl With g++, -Wshadow produces five zillion utterly random warnings --
2041 dnl a local var named `buffer' conflicts with `struct buffer' for
2042 dnl example. Even with gcc, -Wshadow is questionable because of its
2043 dnl complaints about parameters with the same names as global functions.
2044 dnl There is no -Wmissing-declarations under g++.
2045 dnl But gcc warns about -Weffc++ in C compiles.
2046 test "$xemacs_compiler" = "g++" && \
2047 xe_cflags_warning="$cflags_warning -Weffc++"
2048 cflags_warning="$cflags_warning -Wshadow -Wmissing-declarations"
2049 dnl glibc is intentionally not `-Wpointer-arith'-clean.
2050 dnl Ulrich Drepper has rejected patches to fix the glibc header files.
2051 test "$have_glibc" != "yes" && \
2052 cflags_warning="$cflags_warning -Wpointer-arith"
2059 elif test "$__ICC" = "yes"; then 2053 elif test "$__ICC" = "yes"; then
2060 cflags_warning="-Wall -w1" 2054 cflags_warning="-Wall -w1"
2055 dnl **** If more gcc/g++ flags are added, from here on must handle
2056 dnl **** cflags_warning and xe_cflags_warning in parallel
2061 dnl ### Add optimal cflags_warning support for other compilers HERE! 2057 dnl ### Add optimal cflags_warning support for other compilers HERE!
2062 fi 2058 fi
2063 fi 2059 fi
2064 2060
2065 dnl Now combine all C flags. Put the warning flags first so that 2061 dnl Now combine all C flags. Put the warning flags first so that
2066 dnl user-specified flags will override. 2062 dnl user-specified flags will override.
2063 dnl Flags for CC:
2067 CFLAGS="$cflags_warning $CFLAGS" 2064 CFLAGS="$cflags_warning $CFLAGS"
2065 dnl Flags for XEMACS_CC:
2066 test -z "xe_cflags_warning" && xe_cflags_warning=cflags_warning
2067 XE_CFLAGS="$xe_cflags_warning $CFLAGS"
2068 2068
2069 dnl Search for GCC specific build problems we know about 2069 dnl Search for GCC specific build problems we know about
2070 if test "$GCC" = "yes"; then 2070 if test "$GCC" = "yes"; then
2071 AC_MSG_CHECKING(for buggy gcc versions) 2071 AC_MSG_CHECKING(for buggy gcc versions)
2072 GCC_VERSION=`$CC --version` 2072 GCC_VERSION=`$CC --version`
2222 test "$GCC" != "yes" && lib_gcc= 2222 test "$GCC" != "yes" && lib_gcc=
2223 AC_SUBST(ld) 2223 AC_SUBST(ld)
2224 AC_SUBST(lib_gcc) 2224 AC_SUBST(lib_gcc)
2225 2225
2226 dnl --------------------------------------------------------------- 2226 dnl ---------------------------------------------------------------
2227 dnl Get version information for:
2228 dnl C compiler, libc
2229 dnl #### should do CC compiler, too, if different from XEMACS_CC
2230 dnl ---------------------------------------------------------------
2231
2232 compiler_version=""
2233 gcc_compiler_specs=""
2234 libc_version=""
2235
2236 AC_MSG_CHECKING(for compiler version information)
2237
2238 dnl First try portable compilers, then crack system secrets
2239 dnl #### Is this code correct if $XEMACS_CC != $CC? XEMACS_CC hasn't been
2240 dnl run through the AC_PROG_CC mill.
2241 dnl Would anybody really build libsrc with GCC and XEmacs with non-GCC?
2242 if test "$GCC" = "yes"; then
2243 compiler_version=`$XEMACS_CC --version | head -1`
2244 gcc_compiler_specs=`$XEMACS_CC -v 2>&1 | sed 's/.* \([[^ ]]\)/\1/' | head -1`
2245 else case "$XEMACS_CC" in
2246 dnl The Intel cc compiler
2247 icc*)
2248 compiler_version=`icc -V 2>&1 | head -1`
2249 ;;
2250 dnl non-gcc machine-specific magic - contributions welcome
2251 *) case "$canonical" in
2252 *-*-aix* )
2253 dnl Yes, it's this ugly for AIX...
2254 realcc=`which $XEMACS_CC`
2255 dnl Might be a symlink created by replaceCset command
2256 if test -L $realcc ; then
2257 ccdir=`dirname $realcc`
2258 ccprog=`/bin/ls -l $realcc | sed 's/.* \([[^ ]]\)/\1/'`
2259 dnl This doesn't handle ../../xlc type stuff, but I've not seen one...
2260 case $ccprog in
2261 */*) realcc=$ccprog;;
2262 *) realcc=$ccdir/$ccprog;;
2263 esac
2264 fi
2265 lpp=`lslpp -wqc $realcc | cut -f2 -d:`
2266 if test ! -z "$lpp" ; then
2267 lppstr=`lslpp -Lqc $lpp`
2268 lpplev=`echo "$lppstr" | cut -f3 -d:`
2269 lppdesc=`echo "$lppstr" | cut -f8 -d:`
2270 fi
2271 if test ! -z "$lpplev" ; then
2272 compiler_version="$lpp $lpplev - $lppdesc"
2273 fi
2274 ;;
2275
2276 *-*-solaris*)
2277 compiler_version=`$XEMACS_CC -V 2>&1 | head -1`
2278 ;;
2279
2280 alpha*-dec-osf*)
2281 compiler_version=`$XEMACS_CC -V | tr '\n' ' '`
2282 ;;
2283
2284 mips-sgi-irix*)
2285 compiler_version=`$XEMACS_CC -version`
2286 ;;
2287 esac
2288 esac
2289 fi
2290
2291 dnl Awww, shucks.
2292 if test -z "$compiler_version"; then
2293 compiler_version="detection failed (please report this)"
2294 fi
2295
2296 AC_MSG_CHECKING(for compiler version information)
2297
2298 case "$canonical" in
2299 *-*-linux*)
2300 dnl #### who would ever _not_ be running the distro's libc?
2301 dnl Maybe it would be better to get/augment this info with ldd?
2302 if test -f /etc/redhat-release ; then
2303 libc_version=`rpm -q glibc`
2304 elif test -f /etc/debian_version ; then
2305 libc_version=`dpkg-query --showformat='${version}' --show libc6`
2306 libc_version="GNU libc $libc_version (Debian)"
2307 dnl need SuSE et al checks here...
2308 fi
2309 dnl #### Tested on Debian, does this actually work elsewhere? ;-)
2310 if test -z "$libc_version"; then
2311 libc_version=`ls /lib/libc-*.so | sed -e 's,/lib/libc-\(.*\)\.so,\1,'`
2312 fi
2313 ;;
2314
2315 *-*-aix*)
2316 libc_version="bos.rte.libc `lslpp -Lqc bos.rte.libc | cut -f3 -d:`"
2317 ;;
2318
2319 *-*-solaris*)
2320 libc=`pkginfo -l SUNWcsl | grep VERSION: | awk '{print $2}'`
2321 libc_version="SUNWcsl $libc"
2322
2323 ;;
2324
2325 mips-sgi-irix*)
2326 libc_version="IRIX libc `uname -sRm`"
2327 ;;
2328
2329 alpha*-dec-osf*)
2330 dnl Another ugly case
2331 (cd /usr/.smdb.;
2332 libc_version=` grep -h libc.so *.inv | awk '$9 == "f" {print $12}' | tr '\n' ','`
2333 )
2334 ;;
2335 esac
2336
2337 dnl Awww, shucks.
2338 if test -z "libc_version"; then
2339 libc_version="detection failed (please report this)"
2340 fi
2341
2342 dnl ---------------------------------------------------------------
2227 dnl Add site and system specific flags to compile and link commands 2343 dnl Add site and system specific flags to compile and link commands
2228 dnl --------------------------------------------------------------- 2344 dnl ---------------------------------------------------------------
2229 2345
2230 dnl Allow use of either ":" or spaces for lists of directories 2346 dnl Allow use of either ":" or spaces for lists of directories
2231 define(COLON_TO_SPACE, 2347 define(COLON_TO_SPACE,
3183 3299
3184 dnl This one is for the static initializeds variables in 3300 dnl This one is for the static initializeds variables in
3185 dnl offix.c, so that the thing is dumped after lastfile.o 3301 dnl offix.c, so that the thing is dumped after lastfile.o
3186 AC_SUBST(dnd_objs) 3302 AC_SUBST(dnd_objs)
3187 3303
3188 dnl Support for using a different compiler for xemacs itself. 3304 dnl Autodetect dll support
3189 dnl Useful for building XEmacs with a C++ compiler.
3190 dnl For example, `configure --compiler=gcc --xemacs-compiler=g++
3191
3192 dnl The compiler used to build xemacs, as opposed to the compiler
3193 dnl used by configure and lib-src, is determined from the following
3194 dnl sources, in order of priority:
3195 dnl o --xemacs-compiler configure flag
3196 dnl o XEMACS_CC environment variable
3197 dnl o same as the regular compiler, (determined previously)
3198 test -n "$xemacs_compiler" && XEMACS_CC="$xemacs_compiler"
3199 : ${XEMACS_CC:="$CC"}
3200 3305
3201 dnl If g++ is used, we have to explicitly link modules with -lstdc++ on Cygwin 3306 dnl If g++ is used, we have to explicitly link modules with -lstdc++ on Cygwin
3202 dnl to avoid undefined symbol errors. This will never hurt, so just do it on 3307 dnl to avoid undefined symbol errors. This will never hurt, so just do it on
3203 dnl all platforms in case others have the same brain damage. 3308 dnl all platforms in case others have the same brain damage.
3204 if test "$xemacs_compiler" = "g++"; then 3309 if test "$xemacs_compiler" = "g++"; then
3206 else 3311 else
3207 LIBSTDCPP= 3312 LIBSTDCPP=
3208 fi 3313 fi
3209 AC_SUBST(LIBSTDCPP) 3314 AC_SUBST(LIBSTDCPP)
3210 3315
3211 dnl Autodetect dll support
3212 dnl This must come before the detection code for anything that is in a module 3316 dnl This must come before the detection code for anything that is in a module
3213 if test "$with_modules" != "no"; then 3317 if test "$with_modules" != "no"; then
3214 AC_CHECKING(for module support) 3318 AC_CHECKING(for module support)
3215 3319
3216 dnl Check for MS-Windows 3320 dnl Check for MS-Windows
5060 AC_SUBST(sound_cflags) 5164 AC_SUBST(sound_cflags)
5061 AC_SUBST(RANLIB) 5165 AC_SUBST(RANLIB)
5062 AC_SUBST(dynodump_arch) 5166 AC_SUBST(dynodump_arch)
5063 5167
5064 AC_SUBST(XEMACS_CC) 5168 AC_SUBST(XEMACS_CC)
5169 AC_SUBST(XE_CFLAGS)
5065 5170
5066 dnl The default is yes 5171 dnl The default is yes
5067 if test "$with_prefix" = "yes"; then 5172 if test "$with_prefix" = "yes"; then
5068 AC_DEFINE(PREFIX_USER_DEFINED) 5173 AC_DEFINE(PREFIX_USER_DEFINED)
5069 fi 5174 fi
5116 5221
5117 dnl ------------------------------- 5222 dnl -------------------------------
5118 dnl Report on what we decided to do 5223 dnl Report on what we decided to do
5119 dnl ------------------------------- 5224 dnl -------------------------------
5120 5225
5226 dnl #### We should tag this as the _build_ environment.
5227 dnl Before doing that, though, must check if tools care about line 1.
5228
5121 ( 5229 (
5122 dnl /etc/osversion is on SONY NEWS-OS 5230 dnl /etc/osversion is on SONY NEWS-OS
5123 if test -f /etc/osversion; then dnl SONY NEWS-OS 5231 if test -f /etc/osversion; then dnl SONY NEWS-OS
5124 echo "osversion: `cat /etc/osversion`" 5232 echo "osversion: `cat /etc/osversion`"
5125 else 5233 else
5144 echo " 5252 echo "
5145 5253
5146 XEmacs ${emacs_major_version}.${emacs_minor_version}${xemacs_betaname} \"$xemacs_codename\" $xemacs_extra_name configured for \`$canonical'. 5254 XEmacs ${emacs_major_version}.${emacs_minor_version}${xemacs_betaname} \"$xemacs_codename\" $xemacs_extra_name configured for \`$canonical'.
5147 " 5255 "
5148 echo " 5256 echo "
5149 Compilation / Installation:" 5257 Compilation Environment and Installation Defaults:"
5150 echo " Source code location: $srcdir" 5258 echo " Source code location: $srcdir"
5151 echo " Installation prefix: $prefix" 5259 echo " Installation prefix: $prefix"
5152 if test -n "$site_includes"; then 5260 if test -n "$site_includes"; then
5153 echo " Additional header files: $site_includes" 5261 echo " Additional header files: $site_includes"
5154 fi 5262 fi
5169 if test -n "$machfile" 5277 if test -n "$machfile"
5170 then echo " Machine description file: \`$machfile'" 5278 then echo " Machine description file: \`$machfile'"
5171 else echo " Not using any machine description file" 5279 else echo " Not using any machine description file"
5172 fi 5280 fi
5173 5281
5174 echo " Compiler: $XEMACS_CC $CFLAGS" 5282 echo " Compiler version: $compiler_version"
5283 if test -n "$gcc_compiler_specs"; then
5284 echo " - GCC specs file: $gcc_compiler_specs"
5285 fi
5286 echo " - Compiler command: $XEMACS_CC $XE_CFLAGS"
5287 if test "$CC" != "$XEMACS_CC"; then
5288 echo " Compiler version for lib-src: (detection code unimplemented)"
5289 echo " - Compiler command for lib-src: $CC $CFLAGS"
5290 if test "$xemacs_cc_cc_mismatch" = "yes"; then
5291 echo " WARNING: CC and XEMACS_CC mismatched; check CFLAGS carefully."
5292 fi
5293 fi
5294 echo " libc version: $libc_version"
5175 echo " Relocating allocator for buffers: $rel_alloc" 5295 echo " Relocating allocator for buffers: $rel_alloc"
5176 echo " GNU version of malloc: ${GNU_MALLOC}${GNU_MALLOC_reason}" 5296 echo " GNU version of malloc: ${GNU_MALLOC}${GNU_MALLOC_reason}"
5177 case "$ld_switch_site" in 5297 case "$ld_switch_site" in
5178 *nocombreloc*) echo " Linking with \`-z nocombreloc'. 5298 *nocombreloc*) echo " Linking with \`-z nocombreloc'.
5179 - Consider configuring with --pdump." ;; 5299 - Consider configuring with --pdump." ;;