| dnl local autoconf macros |
| dnl Bruno Haible 21.9.1997 |
| dnl Marcus Daniels 10.4.1997 |
| dnl |
| AC_PREREQ(2.12)dnl |
| dnl |
| dnl without AC_MSG_...: with AC_MSG_... and caching: |
| dnl AC_TRY_CPP CL_CPP_CHECK |
| dnl AC_TRY_COMPILE CL_COMPILE_CHECK |
| dnl AC_TRY_LINK CL_LINK_CHECK |
| dnl AC_TRY_RUN CL_RUN_CHECK - would require cross-compiling support |
| dnl Usage: |
| dnl AC_TRY_CPP(INCLUDES, |
| dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) |
| dnl CL_CPP_CHECK(ECHO-TEXT, CACHE-ID, |
| dnl INCLUDES, |
| dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) |
| dnl AC_TRY_xxx(INCLUDES, FUNCTION-BODY, |
| dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) |
| dnl CL_xxx_CHECK(ECHO-TEXT, CACHE-ID, |
| dnl INCLUDES, FUNCTION-BODY, |
| dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) |
| dnl |
| define(CL_CPP_CHECK, |
| [AC_MSG_CHECKING(for $1) |
| AC_CACHE_VAL($2,[ |
| AC_TRY_CPP([$3], $2=yes, $2=no) |
| ]) |
| AC_MSG_RESULT([$]$2) |
| if test [$]$2 = yes; then |
| ifelse([$4], , :, [$4]) |
| ifelse([$5], , , [else |
| $5 |
| ])dnl |
| fi |
| ])dnl |
| dnl |
| define(CL_COMPILE_CHECK, |
| [AC_MSG_CHECKING(for $1) |
| AC_CACHE_VAL($2,[ |
| AC_TRY_COMPILE([$3],[$4], $2=yes, $2=no) |
| ]) |
| AC_MSG_RESULT([$]$2) |
| if test [$]$2 = yes; then |
| ifelse([$5], , :, [$5]) |
| ifelse([$6], , , [else |
| $6 |
| ])dnl |
| fi |
| ])dnl |
| dnl |
| define(CL_LINK_CHECK, |
| [AC_MSG_CHECKING(for $1) |
| AC_CACHE_VAL($2,[ |
| AC_TRY_LINK([$3],[$4], $2=yes, $2=no) |
| ]) |
| AC_MSG_RESULT([$]$2) |
| if test [$]$2 = yes; then |
| ifelse([$5], , :, [$5]) |
| ifelse([$6], , , [else |
| $6 |
| ])dnl |
| fi |
| ])dnl |
| dnl |
| dnl CL_PROTO(IDENTIFIER, ACTION-IF-NOT-FOUND, FINAL-PROTOTYPE) |
| define(CL_PROTO, |
| [AC_MSG_CHECKING([for $1 declaration]) |
| AC_CACHE_VAL(cl_cv_proto_[$1], [$2 |
| cl_cv_proto_$1="$3"]) |
| cl_cv_proto_$1=`echo "[$]cl_cv_proto_$1" | tr -s ' ' | sed -e 's/( /(/'` |
| AC_MSG_RESULTPROTO([$]cl_cv_proto_$1) |
| ])dnl |
| dnl |
| dnl CL_PROTO_RET(INCLUDES, DECL, CACHE-ID, TYPE-IF-OK, TYPE-IF-FAILS) |
| define(CL_PROTO_RET, |
| [AC_TRY_COMPILE([$1] |
| AC_LANG_EXTERN[$2 |
| ], [], $3="$4", $3="$5") |
| ])dnl |
| dnl |
| dnl CL_PROTO_TRY(INCLUDES, ANSI-DECL, TRAD-DECL, ACTION-IF-OK, ACTION-IF-FAILS) |
| define(CL_PROTO_TRY, |
| [AC_TRY_COMPILE([$1] |
| AC_LANG_EXTERN |
| [#if defined(__STDC__) || defined(__cplusplus) |
| $2 |
| #else |
| $3 |
| #endif |
| ], [], [$4], [$5]) |
| ])dnl |
| dnl |
| dnl CL_PROTO_CONST(INCLUDES, ANSI-DECL, TRAD-DECL, CACHE-ID) |
| define(CL_PROTO_CONST, |
| [CL_PROTO_TRY([$1], [$2], [$3], $4="", $4="const")] |
| )dnl |
| dnl |
| dnl CL_SILENT(ACTION) |
| dnl performs ACTION, with AC_MSG_CHECKING and AC_MSG_RESULT being defined away. |
| define(CL_SILENT, |
| [pushdef([AC_MSG_CHECKING],[:])dnl |
| pushdef([AC_CHECKING],[:])dnl |
| pushdef([AC_MSG_RESULT],[:])dnl |
| pushdef([AC_MSG_RESULTPROTO],[:])dnl |
| $1[]dnl |
| popdef([AC_MSG_RESULTPROTO])dnl |
| popdef([AC_MSG_RESULT])dnl |
| popdef([AC_CHECKING])dnl |
| popdef([AC_MSG_CHECKING])dnl |
| ])dnl |
| dnl |
| AC_DEFUN(CL_PROG_RANLIB, [AC_CHECK_PROG(RANLIB, ranlib, ranlib, true)])dnl |
| dnl |
| AC_DEFUN(CL_PROG_INSTALL, |
| [dnl This is mostly copied from AC_PROG_INSTALL. |
| # Find a good install program. We prefer a C program (faster), |
| # so one script is as good as another. But avoid the broken or |
| # incompatible versions: |
| # SysV /etc/install, /usr/sbin/install |
| # SunOS /usr/etc/install |
| # IRIX /sbin/install |
| # AIX /bin/install |
| # AFS /usr/afsws/bin/install, which mishandles nonexistent args |
| # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" |
| # ./install, which can be erroneously created by make from ./install.sh. |
| AC_MSG_CHECKING(for a BSD compatible install) |
| if test -z "$INSTALL"; then |
| AC_CACHE_VAL(cl_cv_path_install, |
| [ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" |
| for ac_dir in $PATH; do |
| # Account for people who put trailing slashes in PATH elements. |
| case "$ac_dir/" in |
| /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;; |
| *) |
| # OSF1 and SCO ODT 3.0 have their own names for install. |
| for ac_prog in ginstall installbsd scoinst install; do |
| if test -f $ac_dir/$ac_prog; then |
| if test $ac_prog = install && |
| grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then |
| # AIX install. It has an incompatible calling convention. |
| # OSF/1 installbsd also uses dspmsg, but is usable. |
| : |
| else |
| if test $ac_prog = installbsd && |
| grep src/bos $ac_dir/$ac_prog >/dev/null 2>&1; then |
| # AIX installbsd doesn't work without option "-g". |
| : |
| else |
| ac_cv_path_install="$ac_dir/$ac_prog -c" |
| break 2 |
| fi |
| fi |
| fi |
| done |
| ;; |
| esac |
| done |
| IFS="$ac_save_ifs" |
| # As a last resort, use cp. |
| test -z "$cl_cv_path_install" && cl_cv_path_install="cp" |
| ])dnl |
| INSTALL="$cl_cv_path_install" |
| fi |
| dnl We do special magic for INSTALL instead of AC_SUBST, to get |
| dnl relative paths right. |
| AC_MSG_RESULT($INSTALL) |
| AC_SUBST(INSTALL)dnl |
| # Use test -z because SunOS4 sh mishandles braces in ${var-val}. |
| # It thinks the first close brace ends the variable substitution. |
| test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='$(INSTALL)' |
| AC_SUBST(INSTALL_PROGRAM)dnl |
| if test -z "$INSTALL_DATA"; then |
| case "$INSTALL" in |
| cp | */cp ) INSTALL_DATA='$(INSTALL)' ;; |
| * ) INSTALL_DATA='$(INSTALL) -m 644' ;; |
| esac |
| fi |
| AC_SUBST(INSTALL_DATA)dnl |
| ])dnl |
| dnl |
| AC_DEFUN(CL_CANONICAL_HOST, |
| [AC_REQUIRE([AC_PROG_CC]) dnl Actually: AC_REQUIRE([CL_CC_WORKS]) |
| dnl Set ac_aux_dir before the cache check, because AM_PROG_LIBTOOL needs it. |
| ac_aux_dir=${srcdir}/$1 |
| AC_CACHE_CHECK(host system type, cl_cv_host, [ |
| dnl A substitute for AC_CONFIG_AUX_DIR_DEFAULT, so we don't need install.sh. |
| ac_config_guess=$ac_aux_dir/config.guess |
| ac_config_sub=$ac_aux_dir/config.sub |
| dnl Mostly copied from AC_CANONICAL_HOST. |
| # Make sure we can run config.sub. |
| if $ac_config_sub sun4 >/dev/null 2>&1; then : |
| else AC_MSG_ERROR(can not run $ac_config_sub) |
| fi |
| host_alias=$host |
| case "$host_alias" in |
| NONE) |
| case $nonopt in |
| NONE) dnl config.guess needs to compile things |
| host_alias=`export CC; $ac_config_guess` ;; |
| *) host_alias=$nonopt ;; |
| esac ;; |
| esac |
| # Don't fail just because the system is not listed in GNU's database. |
| if test -n "$host_alias"; then |
| host=`$ac_config_sub $host_alias` |
| else |
| host=unknown-unknown-unknown |
| fi |
| cl_cv_host="$host" |
| ]) |
| host="$cl_cv_host" |
| host_cpu=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'` |
| host_vendor=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'` |
| host_os=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'` |
| AC_SUBST(host)dnl |
| AC_SUBST(host_cpu)dnl |
| AC_SUBST(host_vendor)dnl |
| AC_SUBST(host_os)dnl |
| ])dnl |
| dnl |
| AC_DEFUN(CL_ICONV, |
| [dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and |
| dnl those with the standalone libiconv installed). |
| AC_CACHE_CHECK(for iconv, cl_cv_func_iconv, [ |
| cl_cv_func_iconv=no |
| cl_cv_lib_iconv=no |
| AC_TRY_LINK([#include <stdlib.h> |
| #include <iconv.h>], |
| [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);], |
| cl_cv_func_iconv=yes) |
| if test "$cl_cv_func_iconv" = no; then |
| cl_save_LIBS="$LIBS" |
| LIBS="$LIBS -liconv" |
| AC_TRY_LINK([#include <stdlib.h> |
| #include <iconv.h>], |
| [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);], |
| cl_cv_lib_iconv=yes |
| cl_cv_func_iconv=yes) |
| LIBS="$cl_save_LIBS" |
| fi |
| ]) |
| if test "$cl_cv_func_iconv" = yes; then |
| AC_DEFINE(HAVE_ICONV) |
| CL_PROTO([iconv], [ |
| CL_PROTO_CONST([ |
| #include <stdlib.h> |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| #include <sys/types.h> |
| #include <iconv.h> |
| ], [size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t* outbytesleft);], |
| [size_t iconv();], |
| cl_cv_proto_iconv_arg1)], |
| [extern size_t iconv (iconv_t cd, $cl_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t* outbytesleft);]) |
| AC_DEFINE_UNQUOTED(ICONV_CONST,$cl_cv_proto_iconv_arg1) |
| fi |
| LIBICONV= |
| if test "$cl_cv_lib_iconv" = yes; then |
| LIBICONV="-liconv" |
| fi |
| AC_SUBST(LIBICONV) |
| ])dnl |
| dnl |
| AC_DEFUN(CL_WORDS_LITTLEENDIAN, |
| [AC_CACHE_CHECK(byte ordering, cl_cv_sys_endian, [ |
| AC_TRY_RUN([int main () { |
| /* Are we little or big endian? From Harbison&Steele. */ |
| union |
| { |
| long l; |
| char c[sizeof (long)]; |
| } u; |
| u.l = 1; |
| exit (u.c[0] == 1); |
| }], |
| cl_cv_sys_endian="big endian", |
| cl_cv_sys_endian="little endian", |
| : # must guess the endianness |
| ) |
| if test -z "$cl_cv_sys_endian"; then |
| AC_EGREP_CPP(yes,[#if defined(m68k) || defined(mc68000) || defined(mc68020) || defined(sparc) || defined(__sparc__) || defined(MIPSEB) || defined(hppa) || defined(__hppa) || defined(m88000) |
| yes |
| #endif |
| ], cl_cv_sys_endian="big endian") |
| fi |
| if test -z "$cl_cv_sys_endian"; then |
| AC_EGREP_CPP(yes,[#if defined(i386) || defined(__i386) || defined(_I386) || defined(MIPSEL) || defined(__alpha) |
| yes |
| #endif |
| ], cl_cv_sys_endian="little endian") |
| fi |
| if test -z "$cl_cv_sys_endian"; then |
| cl_cv_sys_endian="guessing little endian" |
| fi |
| ]) |
| case "$cl_cv_sys_endian" in |
| *little*) AC_DEFINE(WORDS_LITTLEENDIAN) ;; |
| *big*) ;; |
| esac |
| ])dnl |
| dnl |
| ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*- |
| ## Copyright (C) 1996-1998 Free Software Foundation, Inc. |
| ## Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 |
| ## |
| ## This program is free software; you can redistribute it and/or modify |
| ## it under the terms of the GNU General Public License as published by |
| ## the Free Software Foundation; either version 2 of the License, or |
| ## (at your option) any later version. |
| ## |
| ## This program is distributed in the hope that it will be useful, but |
| ## WITHOUT ANY WARRANTY; without even the implied warranty of |
| ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| ## General Public License for more details. |
| ## |
| ## You should have received a copy of the GNU General Public License |
| ## along with this program; if not, write to the Free Software |
| ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| ## |
| ## As a special exception to the GNU General Public License, if you |
| ## distribute this file as part of a program that contains a |
| ## configuration script generated by Autoconf, you may include it under |
| ## the same distribution terms that you use for the rest of that program. |
| |
| # serial 24 AM_PROG_LIBTOOL |
| AC_DEFUN(AM_PROG_LIBTOOL, |
| [AC_REQUIRE([AM_ENABLE_SHARED])dnl |
| AC_REQUIRE([AM_ENABLE_STATIC])dnl |
| AC_REQUIRE([CL_CANONICAL_HOST])dnl |
| AC_REQUIRE([CL_PROG_RANLIB])dnl |
| AC_REQUIRE([AC_PROG_CC])dnl |
| AC_REQUIRE([AM_PROG_LD])dnl |
| AC_REQUIRE([AM_PROG_NM])dnl |
| AC_REQUIRE([AC_PROG_LN_S])dnl |
| dnl |
| # Always use our own libtool. |
| LIBTOOL='$(SHELL) $(top_builddir)/libtool' |
| AC_SUBST(LIBTOOL)dnl |
| |
| # Check for any special flags to pass to ltconfig. |
| libtool_flags= |
| test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" |
| test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" |
| test "$silent" = yes && libtool_flags="$libtool_flags --silent" |
| test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" |
| test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" |
| |
| # Some flags need to be propagated to the compiler or linker for good |
| # libtool support. |
| case "$host" in |
| *-*-irix6*) |
| # Find out which ABI we are using. |
| echo '[#]line __oline__ "configure"' > conftest.$ac_ext |
| if AC_TRY_EVAL(ac_compile); then |
| case "`/usr/bin/file conftest.o`" in |
| *32-bit*) |
| LD="${LD-ld} -32" |
| ;; |
| *N32*) |
| LD="${LD-ld} -n32" |
| ;; |
| *64-bit*) |
| LD="${LD-ld} -64" |
| ;; |
| esac |
| fi |
| rm -rf conftest* |
| ;; |
| |
| *-*-sco3.2v5*) |
| # On SCO OpenServer 5, we need -belf to get full-featured binaries. |
| CFLAGS="$CFLAGS -belf" |
| ;; |
| esac |
| |
| # Actually configure libtool. ac_aux_dir is where install-sh is found. |
| CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ |
| LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \ |
| ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \ |
| $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \ |
| || AC_MSG_ERROR([libtool configure failed]) |
| ]) |
| |
| # AM_ENABLE_SHARED - implement the --enable-shared flag |
| # Usage: AM_ENABLE_SHARED[(DEFAULT)] |
| # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to |
| # `yes'. |
| AC_DEFUN(AM_ENABLE_SHARED, |
| [define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl |
| AC_ARG_ENABLE(shared, |
| changequote(<<, >>)dnl |
| << --enable-shared build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT] |
| changequote([, ])dnl |
| [ --enable-shared=PKGS only build shared libraries if the current package |
| appears as an element in the PKGS list], |
| [p=${PACKAGE-default} |
| case "$enableval" in |
| yes) enable_shared=yes ;; |
| no) enable_shared=no ;; |
| *) |
| enable_shared=no |
| # Look at the argument we got. We use all the common list separators. |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," |
| for pkg in $enableval; do |
| if test "X$pkg" = "X$p"; then |
| enable_shared=yes |
| fi |
| done |
| IFS="$ac_save_ifs" |
| ;; |
| esac], |
| enable_shared=AM_ENABLE_SHARED_DEFAULT)dnl |
| ]) |
| |
| # AM_DISABLE_SHARED - set the default shared flag to --disable-shared |
| AC_DEFUN(AM_DISABLE_SHARED, |
| [AM_ENABLE_SHARED(no)]) |
| |
| # AM_DISABLE_STATIC - set the default static flag to --disable-static |
| AC_DEFUN(AM_DISABLE_STATIC, |
| [AM_ENABLE_STATIC(no)]) |
| |
| # AM_ENABLE_STATIC - implement the --enable-static flag |
| # Usage: AM_ENABLE_STATIC[(DEFAULT)] |
| # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to |
| # `yes'. |
| AC_DEFUN(AM_ENABLE_STATIC, |
| [define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl |
| AC_ARG_ENABLE(static, |
| changequote(<<, >>)dnl |
| << --enable-static build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT] |
| changequote([, ])dnl |
| [ --enable-static=PKGS only build shared libraries if the current package |
| appears as an element in the PKGS list], |
| [p=${PACKAGE-default} |
| case "$enableval" in |
| yes) enable_static=yes ;; |
| no) enable_static=no ;; |
| *) |
| enable_static=no |
| # Look at the argument we got. We use all the common list separators. |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," |
| for pkg in $enableval; do |
| if test "X$pkg" = "X$p"; then |
| enable_static=yes |
| fi |
| done |
| IFS="$ac_save_ifs" |
| ;; |
| esac], |
| enable_static=AM_ENABLE_STATIC_DEFAULT)dnl |
| ]) |
| |
| |
| # AM_PROG_LD - find the path to the GNU or non-GNU linker |
| AC_DEFUN(AM_PROG_LD, |
| [AC_ARG_WITH(gnu-ld, |
| [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], |
| test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) |
| AC_REQUIRE([AC_PROG_CC]) |
| ac_prog=ld |
| if test "$ac_cv_prog_gcc" = yes; then |
| # Check if gcc -print-prog-name=ld gives a path. |
| AC_MSG_CHECKING([for ld used by GCC]) |
| ac_prog=`($CC -print-prog-name=ld) 2>&5` |
| case "$ac_prog" in |
| # Accept absolute paths. |
| /* | [A-Za-z]:\\*) |
| test -z "$LD" && LD="$ac_prog" |
| ;; |
| "") |
| # If it fails, then pretend we aren't using GCC. |
| ac_prog=ld |
| ;; |
| *) |
| # If it is relative, then search for the first ld in PATH. |
| with_gnu_ld=unknown |
| ;; |
| esac |
| elif test "$with_gnu_ld" = yes; then |
| AC_MSG_CHECKING([for GNU ld]) |
| else |
| AC_MSG_CHECKING([for non-GNU ld]) |
| fi |
| AC_CACHE_VAL(ac_cv_path_LD, |
| [if test -z "$LD"; then |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" |
| for ac_dir in $PATH; do |
| test -z "$ac_dir" && ac_dir=. |
| if test -f "$ac_dir/$ac_prog"; then |
| ac_cv_path_LD="$ac_dir/$ac_prog" |
| # Check to see if the program is GNU ld. I'd rather use --version, |
| # but apparently some GNU ld's only accept -v. |
| # Break only if it was the GNU/non-GNU ld that we prefer. |
| if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then |
| test "$with_gnu_ld" != no && break |
| else |
| test "$with_gnu_ld" != yes && break |
| fi |
| fi |
| done |
| IFS="$ac_save_ifs" |
| else |
| ac_cv_path_LD="$LD" # Let the user override the test with a path. |
| fi]) |
| LD="$ac_cv_path_LD" |
| if test -n "$LD"; then |
| AC_MSG_RESULT($LD) |
| else |
| AC_MSG_RESULT(no) |
| fi |
| test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) |
| AC_SUBST(LD) |
| AM_PROG_LD_GNU |
| ]) |
| |
| AC_DEFUN(AM_PROG_LD_GNU, |
| [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld, |
| [# I'd rather use --version here, but apparently some GNU ld's only accept -v. |
| if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then |
| ac_cv_prog_gnu_ld=yes |
| else |
| ac_cv_prog_gnu_ld=no |
| fi]) |
| ]) |
| |
| # AM_PROG_NM - find the path to a BSD-compatible name lister |
| AC_DEFUN(AM_PROG_NM, |
| [AC_MSG_CHECKING([for BSD-compatible nm]) |
| AC_CACHE_VAL(ac_cv_path_NM, |
| [case "$NM" in |
| /* | [A-Za-z]:\\*) |
| ac_cv_path_NM="$NM" # Let the user override the test with a path. |
| ;; |
| *) |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" |
| for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do |
| test -z "$ac_dir" && ac_dir=. |
| if test -f $ac_dir/nm; then |
| # Check to see if the nm accepts a BSD-compat flag. |
| # Adding the `sed 1q' prevents false positives on HP-UX, which says: |
| # nm: unknown option "B" ignored |
| if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then |
| ac_cv_path_NM="$ac_dir/nm -B" |
| elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then |
| ac_cv_path_NM="$ac_dir/nm -p" |
| else |
| ac_cv_path_NM="$ac_dir/nm" |
| fi |
| break |
| fi |
| done |
| IFS="$ac_save_ifs" |
| test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm |
| ;; |
| esac]) |
| NM="$ac_cv_path_NM" |
| AC_MSG_RESULT([$NM]) |
| AC_SUBST(NM) |
| ]) |