src/libelf-0.8.13/aclocal.m4 - stadia-controller/gcc-arm-none-eabi - Git at Google

 # aclocal.m4 - Local additions to Autoconf macros.
 # Copyright (C) 1995 - 2006 Michael Riepe
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Library General Public
 # License as published by the Free Software Foundation; either
 # version 2 of the License, or (at your option) any later version.
 #
 # This library 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
 # Library General Public License for more details.
 #
 # You should have received a copy of the GNU Library General Public
 # License along with this library; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

 # @(#) $Id: aclocal.m4,v 1.28 2008/05/23 08:17:56 michael Exp $

 AC_PREREQ(2.13)

 dnl mr_PACKAGE(package-name)
 AC_DEFUN(mr_PACKAGE, [changequote(<<, >>)dnl
   changequote([, ])dnl
   PACKAGE=$1
   VERSION=`cat $srcdir/VERSION`
   AC_SUBST(PACKAGE)
   AC_SUBST(VERSION)
   AC_ARG_ENABLE(maintainer-mode,
     [  --enable-maintainer-mode
                           enable maintainer-specific make rules (default: auto)],
     [mr_enable_maintainer_mode="$enableval"],
     [case :${I_AM_THE_MAINTAINER_OF}: in
       *:$1:*) mr_enable_maintainer_mode=yes;;
       *) mr_enable_maintainer_mode=no;;
     esac])
   if test x"$mr_enable_maintainer_mode" = x"yes"; then
     MAINT=
   else
     MAINT='maintainer-only-'
   fi
   AC_SUBST(MAINT)
 ])

 AC_DEFUN(mr_ENABLE_NLS, [
   AC_PROVIDE([$0])

   # Needed for `make dist' even if NLS is disabled.
   GMOFILES=
   MSGFILES=
   POFILES=
   for mr_lang in $ALL_LINGUAS; do
     GMOFILES="$GMOFILES $mr_lang.gmo"
     MSGFILES="$MSGFILES $mr_lang.msg"
     POFILES="$POFILES $mr_lang.po"
   done
   AC_SUBST(GMOFILES)
   AC_SUBST(MSGFILES)
   AC_SUBST(POFILES)

   AC_MSG_CHECKING([whether NLS is requested])
   AC_ARG_ENABLE(nls,
     [  --enable-nls            use Native Language Support (default: yes)],
     [mr_enable_nls="$enableval"],
     [mr_enable_nls=yes])
   AC_MSG_RESULT($mr_enable_nls)

   CATOBJEXT=
   INSTOBJEXT=
   localedir=
   if test "$mr_enable_nls" = yes; then
     mr_PATH=`echo ":$PATH" | sed -e 's,:[^:]*openwin[^:]*,,g' -e 's,^:,,'`
     AC_CACHE_CHECK([for dgettext],
       mr_cv_func_dgettext, [
 	AC_TRY_LINK([#include <libintl.h>],
 	  [char *s = dgettext("", ""); return 0],
 	  [mr_cv_func_dgettext=yes],
 	  [mr_cv_func_dgettext=no])
     ])
     if test "$mr_cv_func_dgettext" = yes; then
       AC_PATH_PROG(MSGFMT, msgfmt, no, $mr_PATH)
       if test "$MSGFMT" != no; then
 	AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT, $mr_PATH)
 	AC_PATH_PROG(XGETTEXT, xgettext, xgettext, $mr_PATH)
 	AC_PATH_PROG(MSGMERGE, msgmerge, msgmerge, $mr_PATH)
 	AC_CACHE_CHECK([for GNU gettext],
 	  mr_cv_gnu_gettext, [
 	    AC_TRY_LINK([],
 	      [extern int _nl_msg_cat_cntr; return _nl_msg_cat_cntr],
 	      [mr_cv_gnu_gettext=yes],
 	      [mr_cv_gnu_gettext=no])
 	])
 	if test "$mr_cv_gnu_gettext" = yes; then
 	  AC_CACHE_CHECK([for losing catgets-based GNU gettext],
 	    mr_cv_catgets_based_gettext, [
 	      AC_TRY_LINK([],
 		[extern int _msg_tbl_length; return _msg_tbl_length],
 		[mr_cv_catgets_based_gettext=yes],
 		[mr_cv_catgets_based_gettext=no])
 	  ])
 	  if test "$mr_cv_catgets_based_gettext" = yes; then
 	    # This loses completely. Turn it off and use catgets.
 	    LIBS=`echo $LIBS | sed 's,-lintl,,g'`
 	    mr_cv_func_dgettext=no
 	  else
 	    # Is there a better test for this case?
 	    AC_CACHE_CHECK([for pure GNU gettext],
 	      mr_cv_pure_gnu_gettext, [
 		AC_TRY_LINK([],
 		  [extern int gettext(); return gettext()],
 		  [mr_cv_pure_gnu_gettext=yes],
 		  [mr_cv_pure_gnu_gettext=no])
 	    ])
 	    if test "$mr_cv_pure_gnu_gettext" = yes; then
 	      CATOBJEXT=.gmo
 	      localedir='$(prefix)/share/locale'
 	    else
 	      CATOBJEXT=.mo
 	      localedir='$(prefix)/lib/locale'
 	    fi
 	    INSTOBJEXT=.mo
 	  fi
 	else
 	  # System provided gettext
 	  CATOBJEXT=.mo
 	  INSTOBJEXT=.mo
 	  localedir='$(prefix)/lib/locale'
 	fi
       else
 	# Gettext but no msgfmt. Try catgets.
 	mr_cv_func_dgettext=no
       fi
     fi
     if test "$mr_cv_func_dgettext" = yes; then
       AC_DEFINE(HAVE_DGETTEXT)
     else
       AC_CACHE_CHECK([for catgets], mr_cv_func_catgets, [
 	AC_TRY_LINK([#include <nl_types.h>],
 	  [catgets(catopen("",0),0,0,"");return 0;],
 	  [mr_cv_func_catgets=yes],
 	  [mr_cv_func_catgets=no])
       ])
       if test "$mr_cv_func_catgets" = yes; then
 	AC_PATH_PROG(GENCAT, gencat, no, $mr_PATH)
 	if test "$GENCAT" != no; then
 	  AC_DEFINE(HAVE_CATGETS)
 	  AC_PATH_PROG(GMSGFMT, [gmsgfmt msgfmt], msgfmt, $mr_PATH)
 	  AC_PATH_PROG(XGETTEXT, xgettext, xgettext, $mr_PATH)
 	  CATOBJEXT=.cat
 	  INSTOBJEXT=.cat
 	  localedir='$(prefix)/lib/locale'
 	fi
       else
 	AC_MSG_WARN([no NLS support, disabled])
 	mr_enable_nls=no
       fi
     fi
   fi
   AC_SUBST(CATOBJEXT)
   AC_SUBST(INSTOBJEXT)
   AC_SUBST(localedir)

   POSUB=
   CATALOGS=
   if test "$mr_enable_nls" = yes; then
     AC_MSG_CHECKING([for catalogs to be installed])
     mr_linguas=
     for mr_lang in ${LINGUAS=$ALL_LINGUAS}; do
       case " $ALL_LINGUAS " in
 	*" $mr_lang "*)
 	  mr_linguas="$mr_linguas$mr_lang "
 	  CATALOGS="$CATALOGS $mr_lang$CATOBJEXT"
 	  ;;
       esac
     done
     AC_MSG_RESULT($mr_linguas)
     POSUB=po
   fi
   AC_SUBST(CATALOGS)
   AC_SUBST(POSUB)
 ])

 AC_DEFUN(mr_TARGET_ELF, [
   AC_PROVIDE([$0])
   AC_CACHE_CHECK([for native ELF system],
     mr_cv_target_elf,
     [AC_TRY_RUN(changequote(<<, >>)dnl
 <<#include <stdio.h>
 int
 main(int argc, char **argv) {
   char buf[BUFSIZ];
   FILE *fp;
   int n;

   if ((fp = fopen(*argv, "r")) == NULL) {
     exit(1);
   }
   n = fread(buf, 1, sizeof(buf), fp);
   if (n >= 52
    && buf[0] == '\177'
    && buf[1] == 'E'
    && buf[2] == 'L'
    && buf[3] == 'F') {
     exit(0);
   }
   exit(1);
 }>>, changequote([, ])dnl
       mr_cv_target_elf=yes,
       mr_cv_target_elf=no,
       mr_cv_target_elf=no)])])

 AC_DEFUN(mr_ENABLE_SHARED, [
   AC_PROVIDE([$0])
   PICFLAGS=
   SHLIB_SFX=
   SHLINK_SFX=
   SONAME_SFX=
   LINK_SHLIB=
   INSTALL_SHLIB=
   DEPSHLIBS=
   AC_MSG_CHECKING([whether to build a shared library])
   AC_ARG_ENABLE(shared,
     [  --enable-shared         build shared library (default: yes)],
     [mr_enable_shared="$enableval"],
     [mr_enable_shared=yes])
   AC_MSG_RESULT($mr_enable_shared)
   if test "$mr_enable_shared" = yes; then
     AC_MSG_CHECKING([whether GNU naming conventions are requested])
     AC_ARG_ENABLE(gnu-names,
       [  --enable-gnu-names      use GNU library naming conventions (default: no)],
       [mr_enable_gnu_names="$enableval"],
       [mr_enable_gnu_names=no])
     AC_MSG_RESULT($mr_enable_gnu_names)
     AC_REQUIRE([AC_CANONICAL_HOST])
     AC_REQUIRE([AC_PROG_CC])
     AC_PATH_PROG(LD, ld, ld)
     case "$host" in
       *-linux*|*-gnu*)
 	if test "$GCC" = yes; then
 	  mr_TARGET_ELF
 	  if test "$mr_cv_target_elf" = yes; then
 	    PICFLAGS='-fPIC -DPIC'
 	    if test "$mr_enable_gnu_names" = yes
 	    then SHLIB_SFX='-$(VERSION).so'
 	    else SHLIB_SFX='.so.$(VERSION)'
 	    fi
 	    SHLINK_SFX='.so'
 	    SONAME_SFX='.so.$(MAJOR)'
 	    LINK_SHLIB='$(CC) -shared -Wl,-soname,$(SONAME)'
 	    INSTALL_SHLIB='$(INSTALL_PROGRAM)'
 	    DEPSHLIBS='-lc'
 	  else
 	    AC_MSG_WARN([shared libraries not supported for $host])
 	    mr_enable_shared=no
 	  fi
 	elif ${CC} -V 2>&1 | grep 'Intel(R) C++ Compiler' >/dev/null 2>&1; then
 	  AC_MSG_WARN([Use --disable-shared if $CC fails to build the shared library])
 	  PICFLAGS='-fPIC -DPIC'
 	  if test "$mr_enable_gnu_names" = yes
 	  then SHLIB_SFX='-$(VERSION).so'
 	  else SHLIB_SFX='.so.$(VERSION)'
 	  fi
 	  SHLINK_SFX='.so'
 	  SONAME_SFX='.so.$(MAJOR)'
 	  LINK_SHLIB='$(CC) -shared -Wl,-soname,$(SONAME)'
 	  INSTALL_SHLIB='$(INSTALL_PROGRAM)'
 	  DEPSHLIBS='-lc'
 	else
 	  AC_MSG_WARN([GNU CC required for building shared libraries])
 	  mr_enable_shared=no
 	fi
 	;;
       i386-pc-nto-qnx*)
 	mr_TARGET_ELF
 	if test "$mr_cv_target_elf" = yes; then
 	  PICFLAGS='-fPIC -DPIC'
 	  if test "$mr_enable_gnu_names" = yes
 	  then SHLIB_SFX='-$(VERSION).so'
 	  else SHLIB_SFX='.so.$(VERSION)'
 	  fi
 	  SHLINK_SFX='.so'
 	  SONAME_SFX='.so.$(MAJOR)'
 	  LINK_SHLIB='$(CC) -shared -Wl,-soname,$(SONAME)'
 	  INSTALL_SHLIB='$(INSTALL_PROGRAM)'
 	  DEPSHLIBS='-lc'
 	else
 	  AC_MSG_WARN([shared libraries not supported for $host])
 	  mr_enable_shared=no
 	fi
 	;;
       sparc-sun-solaris2*)
 	if test "$GCC" = yes; then
 	  PICFLAGS='-fPIC -DPIC'
 	else
 	  PICFLAGS='-K PIC -DPIC'
 	fi
 	if test "$mr_enable_gnu_names" = yes
 	then SHLIB_SFX='-$(MAJOR).so'
 	else SHLIB_SFX='.so.$(MAJOR)'
 	fi
 	SONAME_SFX='.so.$(MAJOR)'
 	SHLINK_SFX='.so'
 	LINK_SHLIB='$(LD) -G -z text -h $(SONAME)'
 	INSTALL_SHLIB='$(INSTALL_PROGRAM)'
 	;;
       *)
 	AC_MSG_WARN([shared libraries not supported for $host])
 	mr_enable_shared=no
 	;;
     esac
   else
     mr_enable_shared=no
   fi
   AC_SUBST(PICFLAGS)
   AC_SUBST(SHLIB_SFX)
   AC_SUBST(SHLINK_SFX)
   AC_SUBST(SONAME_SFX)
   AC_SUBST(LINK_SHLIB)
   AC_SUBST(INSTALL_SHLIB)
   AC_SUBST(DEPSHLIBS)
   DO_SHLIB="$mr_enable_shared"
   AC_SUBST(DO_SHLIB)
 ])

 AC_DEFUN(mr_ENABLE_DEBUG, [
   AC_PROVIDE([$0])
   AC_ARG_ENABLE(debug,
     [  --enable-debug          include extra debugging code (default: no)],
     [mr_enable_debug="$enableval"],
     [mr_enable_debug=no])
   if test "$mr_enable_debug" = yes; then
     AC_DEFINE(ENABLE_DEBUG)
   fi
 ])

 # vi: set ts=8 sw=2 :
	# aclocal.m4 - Local additions to Autoconf macros.
	# Copyright (C) 1995 - 2006 Michael Riepe
	#
	# This library is free software; you can redistribute it and/or
	# modify it under the terms of the GNU Library General Public
	# License as published by the Free Software Foundation; either
	# version 2 of the License, or (at your option) any later version.
	#
	# This library 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
	# Library General Public License for more details.
	#
	# You should have received a copy of the GNU Library General Public
	# License along with this library; if not, write to the Free Software
	# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

	# @(#) $Id: aclocal.m4,v 1.28 2008/05/23 08:17:56 michael Exp $

	AC_PREREQ(2.13)

	dnl mr_PACKAGE(package-name)
	AC_DEFUN(mr_PACKAGE, [changequote(<<, >>)dnl
	changequote([, ])dnl
	PACKAGE=$1
	VERSION=`cat $srcdir/VERSION`
	AC_SUBST(PACKAGE)
	AC_SUBST(VERSION)
	AC_ARG_ENABLE(maintainer-mode,
	[ --enable-maintainer-mode
	enable maintainer-specific make rules (default: auto)],
	[mr_enable_maintainer_mode="$enableval"],
	[case :${I_AM_THE_MAINTAINER_OF}: in
	:$1:) mr_enable_maintainer_mode=yes;;
	*) mr_enable_maintainer_mode=no;;
	esac])
	if test x"$mr_enable_maintainer_mode" = x"yes"; then
	MAINT=
	else
	MAINT='maintainer-only-'
	fi
	AC_SUBST(MAINT)
	])

	AC_DEFUN(mr_ENABLE_NLS, [
	AC_PROVIDE([$0])

	# Needed for `make dist' even if NLS is disabled.
	GMOFILES=
	MSGFILES=
	POFILES=
	for mr_lang in $ALL_LINGUAS; do
	GMOFILES="$GMOFILES $mr_lang.gmo"
	MSGFILES="$MSGFILES $mr_lang.msg"
	POFILES="$POFILES $mr_lang.po"
	done
	AC_SUBST(GMOFILES)
	AC_SUBST(MSGFILES)
	AC_SUBST(POFILES)

	AC_MSG_CHECKING([whether NLS is requested])
	AC_ARG_ENABLE(nls,
	[ --enable-nls use Native Language Support (default: yes)],
	[mr_enable_nls="$enableval"],
	[mr_enable_nls=yes])
	AC_MSG_RESULT($mr_enable_nls)

	CATOBJEXT=
	INSTOBJEXT=
	localedir=
	if test "$mr_enable_nls" = yes; then
	mr_PATH=`echo ":$PATH" \| sed -e 's,:[^:]openwin[^:],,g' -e 's,^:,,'`
	AC_CACHE_CHECK([for dgettext],
	mr_cv_func_dgettext, [
	AC_TRY_LINK([#include <libintl.h>],
	[char *s = dgettext("", ""); return 0],
	[mr_cv_func_dgettext=yes],
	[mr_cv_func_dgettext=no])
	])
	if test "$mr_cv_func_dgettext" = yes; then
	AC_PATH_PROG(MSGFMT, msgfmt, no, $mr_PATH)
	if test "$MSGFMT" != no; then
	AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT, $mr_PATH)
	AC_PATH_PROG(XGETTEXT, xgettext, xgettext, $mr_PATH)
	AC_PATH_PROG(MSGMERGE, msgmerge, msgmerge, $mr_PATH)
	AC_CACHE_CHECK([for GNU gettext],
	mr_cv_gnu_gettext, [
	AC_TRY_LINK([],
	[extern int _nl_msg_cat_cntr; return _nl_msg_cat_cntr],
	[mr_cv_gnu_gettext=yes],
	[mr_cv_gnu_gettext=no])
	])
	if test "$mr_cv_gnu_gettext" = yes; then
	AC_CACHE_CHECK([for losing catgets-based GNU gettext],
	mr_cv_catgets_based_gettext, [
	AC_TRY_LINK([],
	[extern int _msg_tbl_length; return _msg_tbl_length],
	[mr_cv_catgets_based_gettext=yes],
	[mr_cv_catgets_based_gettext=no])
	])
	if test "$mr_cv_catgets_based_gettext" = yes; then
	# This loses completely. Turn it off and use catgets.
	LIBS=`echo $LIBS \| sed 's,-lintl,,g'`
	mr_cv_func_dgettext=no
	else
	# Is there a better test for this case?
	AC_CACHE_CHECK([for pure GNU gettext],
	mr_cv_pure_gnu_gettext, [
	AC_TRY_LINK([],
	[extern int gettext(); return gettext()],
	[mr_cv_pure_gnu_gettext=yes],
	[mr_cv_pure_gnu_gettext=no])
	])
	if test "$mr_cv_pure_gnu_gettext" = yes; then
	CATOBJEXT=.gmo
	localedir='$(prefix)/share/locale'
	else
	CATOBJEXT=.mo
	localedir='$(prefix)/lib/locale'
	fi
	INSTOBJEXT=.mo
	fi
	else
	# System provided gettext
	CATOBJEXT=.mo
	INSTOBJEXT=.mo
	localedir='$(prefix)/lib/locale'
	fi
	else
	# Gettext but no msgfmt. Try catgets.
	mr_cv_func_dgettext=no
	fi
	fi
	if test "$mr_cv_func_dgettext" = yes; then
	AC_DEFINE(HAVE_DGETTEXT)
	else
	AC_CACHE_CHECK([for catgets], mr_cv_func_catgets, [
	AC_TRY_LINK([#include <nl_types.h>],
	[catgets(catopen("",0),0,0,"");return 0;],
	[mr_cv_func_catgets=yes],
	[mr_cv_func_catgets=no])
	])
	if test "$mr_cv_func_catgets" = yes; then
	AC_PATH_PROG(GENCAT, gencat, no, $mr_PATH)
	if test "$GENCAT" != no; then
	AC_DEFINE(HAVE_CATGETS)
	AC_PATH_PROG(GMSGFMT, [gmsgfmt msgfmt], msgfmt, $mr_PATH)
	AC_PATH_PROG(XGETTEXT, xgettext, xgettext, $mr_PATH)
	CATOBJEXT=.cat
	INSTOBJEXT=.cat
	localedir='$(prefix)/lib/locale'
	fi
	else
	AC_MSG_WARN([no NLS support, disabled])
	mr_enable_nls=no
	fi
	fi
	fi
	AC_SUBST(CATOBJEXT)
	AC_SUBST(INSTOBJEXT)
	AC_SUBST(localedir)

	POSUB=
	CATALOGS=
	if test "$mr_enable_nls" = yes; then
	AC_MSG_CHECKING([for catalogs to be installed])
	mr_linguas=
	for mr_lang in ${LINGUAS=$ALL_LINGUAS}; do
	case " $ALL_LINGUAS " in
	" $mr_lang ")
	mr_linguas="$mr_linguas$mr_lang "
	CATALOGS="$CATALOGS $mr_lang$CATOBJEXT"
	;;
	esac
	done
	AC_MSG_RESULT($mr_linguas)
	POSUB=po
	fi
	AC_SUBST(CATALOGS)
	AC_SUBST(POSUB)
	])

	AC_DEFUN(mr_TARGET_ELF, [
	AC_PROVIDE([$0])
	AC_CACHE_CHECK([for native ELF system],
	mr_cv_target_elf,
	[AC_TRY_RUN(changequote(<<, >>)dnl
	<<#include <stdio.h>
	int
	main(int argc, char **argv) {
	char buf[BUFSIZ];
	FILE *fp;
	int n;

	if ((fp = fopen(*argv, "r")) == NULL) {
	exit(1);
	}
	n = fread(buf, 1, sizeof(buf), fp);
	if (n >= 52
	&& buf[0] == '\177'
	&& buf[1] == 'E'
	&& buf[2] == 'L'
	&& buf[3] == 'F') {
	exit(0);
	}
	exit(1);
	}>>, changequote([, ])dnl
	mr_cv_target_elf=yes,
	mr_cv_target_elf=no,
	mr_cv_target_elf=no)])])

	AC_DEFUN(mr_ENABLE_SHARED, [
	AC_PROVIDE([$0])
	PICFLAGS=
	SHLIB_SFX=
	SHLINK_SFX=
	SONAME_SFX=
	LINK_SHLIB=
	INSTALL_SHLIB=
	DEPSHLIBS=
	AC_MSG_CHECKING([whether to build a shared library])
	AC_ARG_ENABLE(shared,
	[ --enable-shared build shared library (default: yes)],
	[mr_enable_shared="$enableval"],
	[mr_enable_shared=yes])
	AC_MSG_RESULT($mr_enable_shared)
	if test "$mr_enable_shared" = yes; then
	AC_MSG_CHECKING([whether GNU naming conventions are requested])
	AC_ARG_ENABLE(gnu-names,
	[ --enable-gnu-names use GNU library naming conventions (default: no)],
	[mr_enable_gnu_names="$enableval"],
	[mr_enable_gnu_names=no])
	AC_MSG_RESULT($mr_enable_gnu_names)
	AC_REQUIRE([AC_CANONICAL_HOST])
	AC_REQUIRE([AC_PROG_CC])
	AC_PATH_PROG(LD, ld, ld)
	case "$host" in
	-linux\|-gnu)
	if test "$GCC" = yes; then
	mr_TARGET_ELF
	if test "$mr_cv_target_elf" = yes; then
	PICFLAGS='-fPIC -DPIC'
	if test "$mr_enable_gnu_names" = yes
	then SHLIB_SFX='-$(VERSION).so'
	else SHLIB_SFX='.so.$(VERSION)'
	fi
	SHLINK_SFX='.so'
	SONAME_SFX='.so.$(MAJOR)'
	LINK_SHLIB='$(CC) -shared -Wl,-soname,$(SONAME)'
	INSTALL_SHLIB='$(INSTALL_PROGRAM)'
	DEPSHLIBS='-lc'
	else
	AC_MSG_WARN([shared libraries not supported for $host])
	mr_enable_shared=no
	fi
	elif ${CC} -V 2>&1 \| grep 'Intel(R) C++ Compiler' >/dev/null 2>&1; then
	AC_MSG_WARN([Use --disable-shared if $CC fails to build the shared library])
	PICFLAGS='-fPIC -DPIC'
	if test "$mr_enable_gnu_names" = yes
	then SHLIB_SFX='-$(VERSION).so'
	else SHLIB_SFX='.so.$(VERSION)'
	fi
	SHLINK_SFX='.so'
	SONAME_SFX='.so.$(MAJOR)'
	LINK_SHLIB='$(CC) -shared -Wl,-soname,$(SONAME)'
	INSTALL_SHLIB='$(INSTALL_PROGRAM)'
	DEPSHLIBS='-lc'
	else
	AC_MSG_WARN([GNU CC required for building shared libraries])
	mr_enable_shared=no
	fi
	;;
	i386-pc-nto-qnx*)
	mr_TARGET_ELF
	if test "$mr_cv_target_elf" = yes; then
	PICFLAGS='-fPIC -DPIC'
	if test "$mr_enable_gnu_names" = yes
	then SHLIB_SFX='-$(VERSION).so'
	else SHLIB_SFX='.so.$(VERSION)'
	fi
	SHLINK_SFX='.so'
	SONAME_SFX='.so.$(MAJOR)'
	LINK_SHLIB='$(CC) -shared -Wl,-soname,$(SONAME)'
	INSTALL_SHLIB='$(INSTALL_PROGRAM)'
	DEPSHLIBS='-lc'
	else
	AC_MSG_WARN([shared libraries not supported for $host])
	mr_enable_shared=no
	fi
	;;
	sparc-sun-solaris2*)
	if test "$GCC" = yes; then
	PICFLAGS='-fPIC -DPIC'
	else
	PICFLAGS='-K PIC -DPIC'
	fi
	if test "$mr_enable_gnu_names" = yes
	then SHLIB_SFX='-$(MAJOR).so'
	else SHLIB_SFX='.so.$(MAJOR)'
	fi
	SONAME_SFX='.so.$(MAJOR)'
	SHLINK_SFX='.so'
	LINK_SHLIB='$(LD) -G -z text -h $(SONAME)'
	INSTALL_SHLIB='$(INSTALL_PROGRAM)'
	;;
	*)
	AC_MSG_WARN([shared libraries not supported for $host])
	mr_enable_shared=no
	;;
	esac
	else
	mr_enable_shared=no
	fi
	AC_SUBST(PICFLAGS)
	AC_SUBST(SHLIB_SFX)
	AC_SUBST(SHLINK_SFX)
	AC_SUBST(SONAME_SFX)
	AC_SUBST(LINK_SHLIB)
	AC_SUBST(INSTALL_SHLIB)
	AC_SUBST(DEPSHLIBS)
	DO_SHLIB="$mr_enable_shared"
	AC_SUBST(DO_SHLIB)
	])

	AC_DEFUN(mr_ENABLE_DEBUG, [
	AC_PROVIDE([$0])
	AC_ARG_ENABLE(debug,
	[ --enable-debug include extra debugging code (default: no)],
	[mr_enable_debug="$enableval"],
	[mr_enable_debug=no])
	if test "$mr_enable_debug" = yes; then
	AC_DEFINE(ENABLE_DEBUG)
	fi
	])

	# vi: set ts=8 sw=2 :