📄 acinclude.m4
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# but which still want to provide support for the GNU gettext functionality.# Please note that the actual code is *not* freely available.# serial 1AC_DEFUN(AM_LC_MESSAGES, [if test $ac_cv_header_locale_h = yes; then AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES, [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES], am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)]) if test $am_cv_val_LC_MESSAGES = yes; then AC_DEFINE(HAVE_LC_MESSAGES) fi fi])# Like AC_CONFIG_HEADER, but automatically create stamp file.AC_DEFUN(AM_CONFIG_HEADER,[AC_PREREQ([2.12])AC_CONFIG_HEADER([$1])dnl When config.status generates a header, we must update the stamp-h file.dnl This file resides in the same directory as the config headerdnl that is generated. We must strip everything past the first ":",dnl and everything past the last "/".AC_OUTPUT_COMMANDS(changequote(<<,>>)dnlifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,<<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,<<am_indx=1for am_file in <<$1>>; do case " <<$>>CONFIG_HEADERS " in *" <<$>>am_file "*<<)>> echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx ;; esac am_indx=`expr "<<$>>am_indx" + 1`done<<>>dnl>>)changequote([,]))])# Do all the work for Automake. This macro actually does too much --# some checks are only needed if your package does certain things.# But this isn't really a big deal.# serial 1dnl Usage:dnl AM_INIT_AUTOMAKE(package,version, [no-define])AC_DEFUN(AM_INIT_AUTOMAKE,[AC_REQUIRE([AC_PROG_INSTALL])PACKAGE=[$1]AC_SUBST(PACKAGE)VERSION=[$2]AC_SUBST(VERSION)dnl test to see if srcdir already configuredif test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then AC_MSG_ERROR([source directory already configured; run "make distclean" there first])fiifelse([$3],,AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")AC_DEFINE_UNQUOTED(VERSION, "$VERSION"))AC_REQUIRE([AM_SANITY_CHECK])AC_REQUIRE([AC_ARG_PROGRAM])dnl FIXME This is truly gross.missing_dir=`cd $ac_aux_dir && pwd`AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)AC_REQUIRE([AC_PROG_MAKE_SET])])# serial 1AC_DEFUN(AM_PROG_INSTALL,[AC_REQUIRE([AC_PROG_INSTALL])test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'AC_SUBST(INSTALL_SCRIPT)dnl])## Check to make sure that the build environment is sane.#AC_DEFUN(AM_SANITY_CHECK,[AC_MSG_CHECKING([whether build environment is sane])# Just in casesleep 1echo timestamp > conftestfile# Do `set' in a subshell so we don't clobber the current shell's# arguments. Must try -L first in case configure is actually a# symlink; some systems play weird games with the mod time of symlinks# (eg FreeBSD returns the mod time of the symlink's containing# directory).if ( set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` if test "[$]*" = "X"; then # -L didn't work. set X `ls -t $srcdir/configure conftestfile` fi if test "[$]*" != "X $srcdir/configure conftestfile" \ && test "[$]*" != "X conftestfile $srcdir/configure"; then # If neither matched, then we have a broken ls. This can happen # if, for instance, CONFIG_SHELL is bash and it inherits a # broken ls alias from the environment. This has actually # happened. Such a system could not be considered "sane". AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a brokenalias in your environment]) fi test "[$]2" = conftestfile )then # Ok. :else AC_MSG_ERROR([newly created file is older than distributed files!Check your system clock])firm -f conftest*AC_MSG_RESULT(yes)])dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)dnl The program must properly implement --version.AC_DEFUN(AM_MISSING_PROG,[AC_MSG_CHECKING(for working $2)# Run test in a subshell; some versions of sh will print an error if# an executable is not found, even if stderr is redirected.# Redirect stdin to placate older versions of autoconf. Sigh.if ($2 --version) < /dev/null > /dev/null 2>&1; then $1=$2 AC_MSG_RESULT(found)else $1="$3/missing $2" AC_MSG_RESULT(missing)fiAC_SUBST($1)])# serial 25 AM_PROG_LIBTOOLAC_DEFUN(AM_PROG_LIBTOOL,[AC_REQUIRE([AM_ENABLE_SHARED])dnlAC_REQUIRE([AM_ENABLE_STATIC])dnlAC_REQUIRE([AC_CANONICAL_HOST])dnlAC_REQUIRE([AC_PROG_RANLIB])dnlAC_REQUIRE([AC_PROG_CC])dnlAC_REQUIRE([AM_PROG_LD])dnlAC_REQUIRE([AM_PROG_NM])dnlAC_REQUIRE([AC_PROG_LN_S])dnldnl# Always use our own libtool.LIBTOOL='$(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 --no-reexec \$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \|| AC_MSG_ERROR([libtool configure failed])# Redirect the config.log output again, so that the ltconfig log is not# clobbered by the next message.exec 5>>./config.log])# 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($1, no, no, yes))dnlAC_ARG_ENABLE(shared,changequote(<<, >>)dnl<< --enable-shared[=PKGS] build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT],changequote([, ])dnl[p=${PACKAGE-default}case "$enableval" inyes) enable_shared=yes ;;no) enable_shared=no ;;*) enable_shared=no # Look at the argument we got. We use all the common list separators. IFS="${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-sharedAC_DEFUN(AM_DISABLE_SHARED,[AM_ENABLE_SHARED(no)])# AM_DISABLE_STATIC - set the default static flag to --disable-staticAC_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($1, no, no, yes))dnlAC_ARG_ENABLE(static,changequote(<<, >>)dnl<< --enable-static[=PKGS] build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT],changequote([, ])dnl[p=${PACKAGE-default}case "$enableval" inyes) enable_static=yes ;;no) enable_static=no ;;*) enable_static=no # Look at the argument we got. We use all the common list separators. IFS="${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 linkerAC_DEFUN(AM_PROG_LD,[AC_ARG_WITH(gnu-ld,[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)AC_REQUIRE([AC_PROG_CC])ac_prog=ldif test "$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.changequote(,)dnl /* | [A-Za-z]:[\\/]*)changequote([,])dnl 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 ;; esacelif test "$with_gnu_ld" = yes; then AC_MSG_CHECKING([for GNU ld])else AC_MSG_CHECKING([for non-GNU ld])fiAC_CACHE_VAL(ac_cv_path_LD,[if test -z "$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)fitest -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 $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then ac_cv_prog_gnu_ld=yeselse ac_cv_prog_gnu_ld=nofi])])# AM_PROG_NM - find the path to a BSD-compatible name listerAC_DEFUN(AM_PROG_NM,[AC_MSG_CHECKING([for BSD-compatible nm])AC_CACHE_VAL(ac_cv_path_NM,[if test -n "$NM"; then # Let the user override the test. ac_cv_path_NM="$NM"else IFS="${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=nmfi])NM="$ac_cv_path_NM"AC_MSG_RESULT([$NM])AC_SUBST(NM)])# Define a conditional.AC_DEFUN(AM_CONDITIONAL,[AC_SUBST($1_TRUE)AC_SUBST($1_FALSE)if $2; then $1_TRUE= $1_FALSE='#'else $1_TRUE='#' $1_FALSE=fi])
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