# evolution/acinclude.m4 # shared configure.in hacks between Evolution and Connector # serial 1 # EVO_PURIFY_SUPPORT # Add --enable-purify. If the user turns it on, subst PURIFY and set # the automake conditional ENABLE_PURIFY AC_DEFUN([EVO_PURIFY_SUPPORT], [ AC_ARG_ENABLE([purify], [AS_HELP_STRING([--enable-purify], [Enable support for building executables with Purify.])], [enable_purify=yes],[enable_purify=no]) AC_PATH_PROG(PURIFY, purify, impure) AC_ARG_WITH([purify-options], [AS_HELP_STRING([--with-purify-options@<:@=OPTIONS@:>@], [Options passed to the purify command line (defaults to PURIFYOPTIONS variable).])]) if test "x$with_purify_options" = "xno"; then with_purify_options="-always-use-cache-dir=yes -cache-dir=/gnome/lib/purify" fi if test "x$PURIFYOPTIONS" = "x"; then PURIFYOPTIONS=$with_purify_options fi AC_SUBST(PURIFY) AM_CONDITIONAL(ENABLE_PURIFY, [test x$enable_purify = xyes -a x$PURIFY != ximpure]) PURIFY="$PURIFY $PURIFYOPTIONS" ]) # EVO_LDAP_CHECK(default) # Add --with-openldap and --with-static-ldap options. --with-openldap # defaults to the given value if not specified. If LDAP support is # configured, HAVE_LDAP will be defined and the automake conditional # ENABLE_LDAP will be set. LDAP_CFLAGS and LDAP_LIBS will be set # appropriately. AC_DEFUN([EVO_LDAP_CHECK], [ default="$1" AC_ARG_WITH([openldap], [AS_HELP_STRING([--with-openldap], [Enable LDAP support in evolution])]) AC_ARG_WITH([static-ldap], [AS_HELP_STRING([--with-static-ldap], [Link LDAP support statically into evolution])]) AC_CACHE_CHECK([for OpenLDAP], [ac_cv_with_openldap], [ac_cv_with_openldap="${with_openldap:=$default}"]) case $ac_cv_with_openldap in no|"") with_openldap=no ;; yes) with_openldap=/usr ;; *) with_openldap=$ac_cv_with_openldap LDAP_CFLAGS="-I$ac_cv_with_openldap/include" LDAP_LDFLAGS="-L$ac_cv_with_openldap/lib" ;; esac if test "$with_openldap" != no; then AC_DEFINE(HAVE_LDAP,1,[Define if you have LDAP support]) case $with_static_ldap in no|"") with_static_ldap=no ;; *) with_static_ldap=yes ;; esac AC_CACHE_CHECK([if OpenLDAP is version 2.x], [ac_cv_openldap_version2], [ CPPFLAGS_save="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $LDAP_CFLAGS" AC_EGREP_CPP(yes, [ #include "ldap.h" #if LDAP_VENDOR_VERSION > 20000 yes #endif ], [ac_cv_openldap_version2=yes], [ac_cv_openldap_version2=no]) CPPFLAGS="$CPPFLAGS_save" ]) if test "$ac_cv_openldap_version2" = no; then AC_MSG_ERROR([evolution requires OpenLDAP version >= 2]) fi AC_CHECK_LIB(resolv, res_query, [LDAP_LIBS="-lresolv"]) AC_CHECK_LIB(socket, bind, [LDAP_LIBS="$LDAP_LIBS -lsocket"]) AC_CHECK_LIB(nsl, gethostbyaddr, [LDAP_LIBS="$LDAP_LIBS -lnsl"]) AC_CHECK_LIB(lber, ber_get_tag, [ if test "$with_static_ldap" = "yes"; then LDAP_LIBS="$with_openldap/lib/liblber.a $LDAP_LIBS" # libldap might depend on OpenSSL... We need to pull # in the dependency libs explicitly here since we're # not using libtool for the configure test. if test -f $with_openldap/lib/libldap.la; then LDAP_LIBS="`. $with_openldap/lib/libldap.la; echo $dependency_libs` $LDAP_LIBS" fi else LDAP_LIBS="-llber $LDAP_LIBS" fi AC_CHECK_LIB(ldap, ldap_open, [ if test $with_static_ldap = "yes"; then LDAP_LIBS="$with_openldap/lib/libldap.a $LDAP_LIBS" else LDAP_LIBS="-lldap $LDAP_LIBS" fi], [LDAP_LIBS=""], [$LDAP_LDFLAGS $LDAP_LIBS]) LDAP_LIBS="$LDAP_LDFLAGS $LDAP_LIBS" ], [LDAP_LIBS=""], [$LDAP_LDFLAGS $LDAP_LIBS]) if test -z "$LDAP_LIBS"; then AC_MSG_ERROR([could not find OpenLDAP libraries]) fi AC_SUBST(LDAP_CFLAGS) AC_SUBST(LDAP_LIBS) fi AM_CONDITIONAL(ENABLE_LDAP, test "$with_openldap" != "no") ]) # EVO_SUNLDAP_CHECK # Add --with-sunldap and --with-static-sunldap options. --with-sunldap # defaults to the given value if not specified. If LDAP support is # configured, HAVE_LDAP will be defined and the automake conditional +# ENABLE_LDAP will be set. LDAP_CFLAGS and LDAP_LIBS will be set # appropriately, and --with-sunldap and --with-openldap is mutually exclusive. AC_DEFUN([EVO_SUNLDAP_CHECK], [ default="$1" AC_ARG_WITH([sunldap], [AS_HELP_STRING([--with-sunldap], [Enable SunLDAP support in evolution])]) AC_ARG_WITH([static-sunldap], [AS_HELP_STRING([--with-static-sunldap], [Link SunLDAP support statically into evolution])]) AC_CACHE_CHECK([for SunLDAP],[ac_cv_with_sunldap],[ac_cv_with_sunldap="${with_sunldap:=$default}"]) case $ac_cv_with_sunldap in no|"") with_sunldap=no ;; yes) with_sunldap=/usr ;; *) with_sunldap=$ac_cv_with_sunldap LDAP_CFLAGS="-I$ac_cv_with_sunldap/include" LDAP_LDFLAGS="-L$ac_cv_with_sunldap/lib" ;; esac if test "$with_sunldap" != no; then AC_DEFINE(HAVE_LDAP,1,[Define if you have LDAP support]) AC_DEFINE(SUNLDAP, 1, [Define if you use SunLDAP]) case $with_static_sunldap in no|"") with_static_sunldap=no ;; *) with_static_sunldap=yes ;; esac AC_CACHE_CHECK([if SunLDAP is version 2.x], [ac_cv_sunldap_version2], [ CPPFLAGS_save="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $LDAP_CFLAGS" AC_EGREP_CPP(yes, [ #include "ldap.h" #if LDAP_VENDOR_VERSION >= 500 yes #endif ],[ac_cv_sunldap_version2=yes],[ac_cv_sunldap_version2=no]) CPPFLAGS="$CPPFLAGS_save" ]) if test "$ac_cv_sunldap_version2" = no; then AC_MSG_ERROR([evolution requires SunLDAP version >= 2]) fi AC_CHECK_LIB(resolv, res_query, [LDAP_LIBS="-lresolv"]) AC_CHECK_LIB(socket, bind, [LDAP_LIBS="$LDAP_LIBS -lsocket"]) AC_CHECK_LIB(nsl, gethostbyaddr, [LDAP_LIBS="$LDAP_LIBS -lnsl"]) AC_CHECK_LIB(ldap, ldap_open, [ if test $with_static_sunldap = "yes"; then LDAP_LIBS="$with_sunldap/lib/libldap.a $LDAP_LIBS" else LDAP_LIBS="-lldap $LDAP_LIBS" fi if test `uname -s` != "SunOS" ; then AC_CHECK_LIB(lber, ber_get_tag, [ if test "$with_static_sunldap" = "yes"; then LDAP_LIBS="$with_sunldap/lib/liblber.a $LDAP_LIBS" # libldap might depend on OpenSSL... We need to pull # in the dependency libs explicitly here since we're # not using libtool for the configure test. if test -f $with_sunldap/lib/libldap.la; then LDAP_LIBS="`. $with_sunldap/lib/libldap.la; echo $dependency_libs` $LDAP_LIBS" fi else LDAP_LIBS="-llber $LDAP_LIBS" fi], [LDAP_LIBS=""], [$LDAP_LDFLAGS $LDAP_LIBS]) fi LDAP_LIBS="$LDAP_LDFLAGS $LDAP_LIBS" ], [LDAP_LIBS=""], [$LDAP_LDFLAGS $LDAP_LIBS]) if test -z "$LDAP_LIBS"; then AC_MSG_ERROR([could not find SunLDAP libraries]) fi AC_SUBST(LDAP_CFLAGS) AC_SUBST(LDAP_LIBS) fi AM_CONDITIONAL(ENABLE_LDAP, test "$with_sunldap" != "no") ]) # EVO_PTHREAD_CHECK AC_DEFUN([EVO_PTHREAD_CHECK],[ PTHREAD_LIB="" AC_CHECK_LIB(pthread, pthread_create, [PTHREAD_LIB="-lpthread"], [AC_CHECK_LIB(pthreads, pthread_create, [PTHREAD_LIB="-lpthreads"], [AC_CHECK_LIB(c_r, pthread_create, [PTHREAD_LIB="-lc_r"], [AC_CHECK_LIB(pthread, __pthread_attr_init_system, [PTHREAD_LIB="-lpthread"], [AC_CHECK_FUNC(pthread_create)] )] )] )] ) AC_SUBST(PTHREAD_LIB) AC_PROVIDE([EVO_PTHREAD_CHECK]) ]) dnl -*- mode: autoconf -*- dnl Usage: dnl GTK_DOC_CHECK([minimum-gtk-doc-version]) AC_DEFUN([GTK_DOC_CHECK], [ AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first dnl for overriding the documentation installation directory AC_ARG_WITH([html-dir], [AS_HELP_STRING([--with-html-dir=PATH], [path to installed docs])],, [with_html_dir='${datadir}/gtk-doc/html']) HTML_DIR="$with_html_dir" AC_SUBST(HTML_DIR) dnl enable/disable documentation building AC_ARG_ENABLE([gtk-doc], [AS_HELP_STRING([--enable-gtk-doc], [use gtk-doc to build documentation [default=no]])], ,[enable_gtk_doc=no]) have_gtk_doc=no if test -z "$PKG_CONFIG"; then AC_PATH_PROG(PKG_CONFIG, pkg-config, no) fi if test "$PKG_CONFIG" != "no" && $PKG_CONFIG --exists gtk-doc; then have_gtk_doc=yes fi dnl do we want to do a version check? ifelse([$1],[],, [gtk_doc_min_version=$1 if test "$have_gtk_doc" = yes; then AC_MSG_CHECKING([gtk-doc version >= $gtk_doc_min_version]) if $PKG_CONFIG --atleast-version $gtk_doc_min_version gtk-doc; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) have_gtk_doc=no fi fi ]) if test x$enable_gtk_doc = xyes; then if test $have_gtk_doc != yes; then enable_gtk_doc=no fi fi AM_CONDITIONAL(ENABLE_GTK_DOC, test x$enable_gtk_doc = xyes) AM_CONDITIONAL(GTK_DOC_USE_LIBTOOL, test -n "$LIBTOOL") ]) # PILOT_LINK_CHECK # Adds --with-pisock and determines the verion of the pisock # AC_SUBST(PISOCK_CFLAGS) AC_SUBST(PISOCK_LIBS) AC_DEFUN([PILOT_LINK_HOOK],[ AC_ARG_WITH([pisock], AS_HELP_STRING([--with-pisock=PREFIX], [Specify prefix for pisock files]), [ if test x$withval = xyes; then dnl Note that an empty true branch is not valid sh syntax. ifelse([$1], [], :, [$1]) else PISOCK_CFLAGS="-I$withval/include" incdir="$withval/include" PISOCK_LIBS="-L$withval/lib -lpisock -lpisync" AC_MSG_CHECKING([for existance of "$withval"/lib/libpisock.so]) if test -r $withval/lib/libpisock.so; then AC_MSG_RESULT([yes]) else AC_MSG_ERROR([Unable to find libpisock. Try http://www.pilot-link.org.]) fi fi ]) if test x$PISOCK_CFLAGS = x; then AC_CHECK_HEADER(pi-version.h, [incdir="/usr/include"], [ AC_CHECK_HEADER(libpisock/pi-version.h, [PISOCK_CFLAGS="-I/usr/include/libpisock" piversion_include="libpisock/pi-version.h" incdir="/usr/include/libpisock" ], [ AC_CHECK_HEADER($prefix/include/pi-version.h, [PISOCK_CFLAGS="-I$prefix/include/libpisock" piversion_include="$prefix/include/pi-version.h" if test x$PISOCK_LIBDIR = x; then incdir="$prefix/include" PISOCK_LIBS="-L$prefix/lib -lpisock -lpisync" fi ], AC_MSG_ERROR([Unable to find pi-version.h])) ]) ]) fi if test "x$PISOCK_LIBS" = "x"; then AC_CHECK_LIB(pisock, pi_accept, [ PISOCK_LIBS="-lpisock -lpisync"], [ AC_MSG_ERROR([Unable to find libpisock. Try http://www.pilot-link.org.]) ]) fi AC_ARG_ENABLE([pilotlinktest], AS_HELP_STRING([--enable-pilotlinktest], [Test for correct version of pilot-link]), [testplversion="$enableval"],[testplversion=yes] ) if test x$piversion_include = x; then piversion_include="pi-version.h" fi pi_major=`cat $incdir/pi-version.h|grep '#define PILOT_LINK_VERSION'|sed 's/#define PILOT_LINK_VERSION \([[0-9]]*\)/\1/'` pi_minor=`cat $incdir/pi-version.h|grep '#define PILOT_LINK_MAJOR'|sed 's/#define PILOT_LINK_MAJOR \([[0-9]]*\)/\1/'` pi_micro=`cat $incdir/pi-version.h|grep '#define PILOT_LINK_MINOR'|sed 's/#define PILOT_LINK_MINOR \([[0-9]]*\)/\1/'` pi_patch=`cat $incdir/pi-version.h|grep '#define PILOT_LINK_PATCH'|sed 's/#define PILOT_LINK_PATCH \"\(.*\)\"/\1/'` PILOT_LINK_MAJOR="$pi_major" PILOT_LINK_MINOR="$pi_minor" PILOT_LINK_MICRO="$pi_micro" PILOT_LINK_PATCH="$pi_patch" PILOT_LINK_VERSION="$pi_major.$pi_minor.$pi_micro$pi_patch" if test x$testplversion = xyes; then AC_MSG_CHECKING([for pilot-link version >= $1]) pl_ma=`echo $1|sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` pl_mi=`echo $1|sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` pl_mc=`echo $1|sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` CFLAGS_save="$CFLAGS" CFLAGS="$CFLAGS $PISOCK_CFLAGS" AC_TRY_RUN( [ #include <$piversion_include> int main(int argc,char *argv[]) { if (PILOT_LINK_VERSION == $pl_ma) { if (PILOT_LINK_MAJOR == $pl_mi) { if (PILOT_LINK_MINOR >= $pl_mc) { return 0; } } else if (PILOT_LINK_MAJOR > $pl_mi) { return 0; } } else if (PILOT_LINK_VERSION > $pl_ma) { return 0; } return 1; } ], [AC_MSG_RESULT([yes (found $PILOT_LINK_VERSION)])], [AC_MSG_ERROR([pilot-link >= $1 required])], [AC_MSG_WARN([No action taken for crosscompile])] ) CFLAGS="$CFLAGS_save" fi unset piversion_include unset pi_verion unset pi_major unset pi_minor unset pi_patch unset incdir unset pl_mi unset pl_ma unset pl_ve ]) AC_DEFUN([PILOT_LINK_CHECK],[ PILOT_LINK_HOOK($1,[],nofailure) ]) dnl dolt, a replacement for libtool dnl Copyright © 2007-2008 Josh Triplett dnl Copying and distribution of this file, with or without modification, dnl are permitted in any medium without royalty provided the copyright dnl notice and this notice are preserved. dnl dnl To use dolt, invoke the DOLT macro immediately after the libtool macros. dnl Optionally, copy this file into acinclude.m4, to avoid the need to have it dnl installed when running autoconf on your project. AC_DEFUN([DOLT], [ AC_REQUIRE([AC_CANONICAL_HOST]) # dolt, a replacement for libtool # Josh Triplett AC_PATH_PROG(DOLT_BASH, bash) AC_MSG_CHECKING([if dolt supports this host]) dolt_supported=yes if test x$DOLT_BASH = x; then dolt_supported=no fi if test x$GCC != xyes; then dolt_supported=no fi case $host in i?86-*-linux*|x86_64-*-linux*|powerpc-*-linux* \ |amd64-*-freebsd*|i?86-*-freebsd*|ia64-*-freebsd*) pic_options='-fPIC' ;; i?86-apple-darwin*) pic_options='-fno-common' ;; *) dolt_supported=no ;; esac if test x$dolt_supported = xno ; then AC_MSG_RESULT([no, falling back to libtool]) LTCOMPILE='$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(COMPILE)' LTCXXCOMPILE='$(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXXCOMPILE)' else AC_MSG_RESULT([yes, replacing libtool]) dnl Start writing out doltcompile. cat <<__DOLTCOMPILE__EOF__ >doltcompile #!$DOLT_BASH __DOLTCOMPILE__EOF__ cat <<'__DOLTCOMPILE__EOF__' >>doltcompile args=("$[]@") for ((arg=0; arg<${#args@<:@@@:>@}; arg++)) ; do if test x"${args@<:@$arg@:>@}" = x-o ; then objarg=$((arg+1)) break fi done if test x$objarg = x ; then echo 'Error: no -o on compiler command line' 1>&2 exit 1 fi lo="${args@<:@$objarg@:>@}" obj="${lo%.lo}" if test x"$lo" = x"$obj" ; then echo "Error: libtool object file name \"$lo\" does not end in .lo" 1>&2 exit 1 fi objbase="${obj##*/}" __DOLTCOMPILE__EOF__ dnl Write out shared compilation code. if test x$enable_shared = xyes; then cat <<'__DOLTCOMPILE__EOF__' >>doltcompile libobjdir="${obj%$objbase}.libs" if test ! -d "$libobjdir" ; then mkdir_out="$(mkdir "$libobjdir" 2>&1)" mkdir_ret=$? if test "$mkdir_ret" -ne 0 && test ! -d "$libobjdir" ; then echo "$mkdir_out" 1>&2 exit $mkdir_ret fi fi pic_object="$libobjdir/$objbase.o" args@<:@$objarg@:>@="$pic_object" __DOLTCOMPILE__EOF__ cat <<__DOLTCOMPILE__EOF__ >>doltcompile "\${args@<:@@@:>@}" $pic_options -DPIC || exit \$? __DOLTCOMPILE__EOF__ fi dnl Write out static compilation code. dnl Avoid duplicate compiler output if also building shared objects. if test x$enable_static = xyes; then cat <<'__DOLTCOMPILE__EOF__' >>doltcompile non_pic_object="$obj.o" args@<:@$objarg@:>@="$non_pic_object" __DOLTCOMPILE__EOF__ if test x$enable_shared = xyes; then cat <<'__DOLTCOMPILE__EOF__' >>doltcompile "${args@<:@@@:>@}" >/dev/null 2>&1 || exit $? __DOLTCOMPILE__EOF__ else cat <<'__DOLTCOMPILE__EOF__' >>doltcompile "${args@<:@@@:>@}" || exit $? __DOLTCOMPILE__EOF__ fi fi dnl Write out the code to write the .lo file. dnl The second line of the .lo file must match "^# Generated by .*libtool" cat <<'__DOLTCOMPILE__EOF__' >>doltcompile { echo "# $lo - a libtool object file" echo "# Generated by doltcompile, not libtool" __DOLTCOMPILE__EOF__ if test x$enable_shared = xyes; then cat <<'__DOLTCOMPILE__EOF__' >>doltcompile echo "pic_object='.libs/${objbase}.o'" __DOLTCOMPILE__EOF__ else cat <<'__DOLTCOMPILE__EOF__' >>doltcompile echo pic_object=none __DOLTCOMPILE__EOF__ fi if test x$enable_static = xyes; then cat <<'__DOLTCOMPILE__EOF__' >>doltcompile echo "non_pic_object='${objbase}.o'" __DOLTCOMPILE__EOF__ else cat <<'__DOLTCOMPILE__EOF__' >>doltcompile echo non_pic_object=none __DOLTCOMPILE__EOF__ fi cat <<'__DOLTCOMPILE__EOF__' >>doltcompile } > "$lo" __DOLTCOMPILE__EOF__ dnl Done writing out doltcompile; substitute it for libtool compilation. chmod +x doltcompile LTCOMPILE='$(top_builddir)/doltcompile $(COMPILE)' LTCXXCOMPILE='$(top_builddir)/doltcompile $(CXXCOMPILE)' dnl automake ignores LTCOMPILE and LTCXXCOMPILE when it has separate CFLAGS for dnl a target, so write out a libtool wrapper to handle that case. dnl Note that doltlibtool does not handle inferred tags or option arguments dnl without '=', because automake does not use them. cat <<__DOLTLIBTOOL__EOF__ > doltlibtool #!$DOLT_BASH __DOLTLIBTOOL__EOF__ cat <<'__DOLTLIBTOOL__EOF__' >>doltlibtool top_builddir_slash="${0%%doltlibtool}" : ${top_builddir_slash:=./} args=() modeok=false tagok=false for arg in "$[]@"; do case "$arg" in --mode=compile) modeok=true ;; --tag=CC|--tag=CXX) tagok=true ;; *) args+=("$arg") esac done if $modeok && $tagok ; then . ${top_builddir_slash}doltcompile "${args@<:@@@:>@}" else exec ${top_builddir_slash}libtool "$[]@" fi __DOLTLIBTOOL__EOF__ dnl Done writing out doltlibtool; substitute it for libtool. chmod +x doltlibtool LIBTOOL='$(top_builddir)/doltlibtool' fi AC_SUBST(LTCOMPILE) AC_SUBST(LTCXXCOMPILE) # end dolt ]) dnl as-compiler-flag.m4 0.1.0 dnl autostars m4 macro for detection of compiler flags dnl David Schleef dnl $Id: as-compiler-flag.m4,v 1.1 2005/12/15 23:35:19 ds Exp $ dnl AS_COMPILER_FLAG(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED]) dnl Tries to compile with the given CFLAGS. dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags, dnl and ACTION-IF-NOT-ACCEPTED otherwise. AC_DEFUN([AS_COMPILER_FLAG], [ AC_MSG_CHECKING([to see if compiler understands $1]) save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $1" AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no]) CFLAGS="$save_CFLAGS" if test "X$flag_ok" = Xyes ; then m4_ifvaln([$2],[$2]) true else m4_ifvaln([$3],[$3]) true fi AC_MSG_RESULT([$flag_ok]) ]) dnl AS_COMPILER_FLAGS(VAR, FLAGS) dnl Tries to compile with the given CFLAGS. AC_DEFUN([AS_COMPILER_FLAGS], [ list=$2 flags_supported="" flags_unsupported="" AC_MSG_CHECKING([for supported compiler flags]) for each in $list do save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $each" AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no]) CFLAGS="$save_CFLAGS" if test "X$flag_ok" = Xyes ; then flags_supported="$flags_supported $each" else flags_unsupported="$flags_unsupported $each" fi done AC_MSG_RESULT([$flags_supported]) if test "X$flags_unsupported" != X ; then AC_MSG_WARN([unsupported compiler flags: $flags_unsupported]) fi $1="$$1 $flags_supported" ])