Edit
thodg/libiconv/autoconf/aclocal.m4
Bruno Haible
- autoconf/aclocal.m4
-
dnl local autoconf macros dnl Bruno Haible 2000-04-02 dnl Marcus Daniels 1997-04-10 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 cl_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='$(INSTALL) -m 644' ;; esac fi AC_SUBST(INSTALL_DATA)dnl ])dnl dnl AC_DEFUN(CL_PROG_CP, [AC_CACHE_CHECK(how to copy files, cl_cv_prog_cp, [ echo "blabla" > conftest.x err=`/bin/sh -c "cp -p conftest.x conftest.y 2>&1"` if test -z "$err"; then cl_cv_prog_cp='cp -p' else cl_cv_prog_cp='cp' fi rm -f conftest* ]) CP="$cl_cv_prog_cp" AC_SUBST(CP)dnl ])dnl dnl AC_DEFUN(CL_PROG_LN, [AC_REQUIRE([CL_PROG_CP])dnl AC_CACHE_CHECK(how to make hard links, cl_cv_prog_LN, [ rm -f conftestdata conftestfile echo data > conftestfile if ln conftestfile conftestdata 2>/dev/null; then cl_cv_prog_LN=ln else cl_cv_prog_LN="$cl_cv_prog_cp" fi rm -f conftestdata conftestfile ]) LN="$cl_cv_prog_LN" AC_SUBST(LN)dnl ])dnl dnl AC_DEFUN(CL_PROG_LN_S, [AC_REQUIRE([CL_PROG_LN])dnl dnl Make a symlink if possible; otherwise try a hard link. On filesystems dnl which support neither symlink nor hard link, use a plain copy. AC_MSG_CHECKING(whether ln -s works) AC_CACHE_VAL(cl_cv_prog_LN_S, [ rm -f conftestdata if ln -s X conftestdata 2>/dev/null; then cl_cv_prog_LN_S="ln -s" else cl_cv_prog_LN_S="$cl_cv_prog_LN" fi rm -f conftestdata ])dnl if test "$cl_cv_prog_LN_S" = "ln -s"; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi LN_S="$cl_cv_prog_LN_S" AC_SUBST(LN_S)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" changequote(,)dnl host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` changequote([,])dnl AC_SUBST(host)dnl AC_SUBST(host_cpu)dnl AC_SUBST(host_vendor)dnl AC_SUBST(host_os)dnl ])dnl dnl AC_DEFUN(CL_ICONV, [dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and dnl those with the standalone libiconv installed). AC_CACHE_CHECK(for iconv, cl_cv_func_iconv, [ cl_cv_func_iconv=no cl_cv_lib_iconv=no AC_TRY_LINK([#include <stdlib.h> #include <iconv.h>], [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);], cl_cv_func_iconv=yes) if test "$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(__m68k__) || defined(mc68000) || defined(mc68020) || defined(__mc68020__) || defined(sparc) || defined(__sparc__) || defined(MIPSEB) || defined(__MIPSEB__) || defined(hppa) || defined(__hppa) || defined(m88000) || defined(__m88k__) yes #endif ], cl_cv_sys_endian="big endian") fi if test -z "$cl_cv_sys_endian"; then AC_EGREP_CPP(yes,[#if defined(i386) || defined(__i386) || defined(__i386__) || defined(_I386) || defined(MIPSEL) || defined(__MIPSEL__) || defined(__alpha) yes #endif ], cl_cv_sys_endian="little endian") fi if test -z "$cl_cv_sys_endian"; then cl_cv_sys_endian="guessing little endian" fi ]) case "$cl_cv_sys_endian" in *little*) AC_DEFINE(WORDS_LITTLEENDIAN) ;; *big*) ;; esac ])dnl dnl ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*- ## Copyright (C) 1996-1998 Free Software Foundation, Inc. ## Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2 of the License, or ## (at your option) any later version. ## ## This program is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ## ## As a special exception to the GNU General Public License, if you ## distribute this file as part of a program that contains a ## configuration script generated by Autoconf, you may include it under ## the same distribution terms that you use for the rest of that program. # serial 24 AM_PROG_LIBTOOL AC_DEFUN(AM_PROG_LIBTOOL, [AC_REQUIRE([AM_ENABLE_SHARED])dnl AC_REQUIRE([AM_ENABLE_STATIC])dnl AC_REQUIRE([CL_CANONICAL_HOST])dnl AC_REQUIRE([CL_PROG_RANLIB])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AM_PROG_LD])dnl AC_REQUIRE([AM_PROG_NM])dnl AC_REQUIRE([CL_PROG_LN_S])dnl dnl # Always use our own libtool. LIBTOOL='$(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) ])