configure.ac - libtool - Git at Google

 ## Process this file with autoconf to create configure. -*- autoconf -*-
 # Copyright (C) 2001, 2004 Free Software Foundation, Inc.
 #
 # 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., 51 Franklin Street, Fifth Floor, Boston, MA
 # 02110-1301  USA


 AC_PREREQ(2.59)dnl We use AS_HELP_STRING
 dnl Oldest automake required for bootstrap is below in AM_INIT_AUTOMAKE.


 ## ------------------------ ##
 ## Autoconf initialisation. ##
 ## ------------------------ ##
 AC_INIT([libtool], [1.9g], [bug-libtool@gnu.org])
 AC_CONFIG_HEADERS([config.h:config-h.in])
 AC_CONFIG_SRCDIR([libtoolize.in])
 AC_CONFIG_AUX_DIR([config])


 ## ------------------------ ##
 ## Autotest initialisation. ##
 ## ------------------------ ##

 dnl AC_CONFIG_TESTDIR([tests])
 dnl AC_CONFIG_FILES([tests/atlocal])


 ## ---------------------------------------- ##
 ## Display a configure time version banner. ##
 ## ---------------------------------------- ##

 # Calculating the previous version is somewhat involved, so do it once
 # here, and SUBST the result for the maintainer release rules.  The
 # versioning scheme we use is described here:
 #	http://www.gnu.org/software/libtool/contribute.html

 # First we break the version number up into its constituent parts.
 lt_major=`echo "AC_PACKAGE_VERSION" | sed ['s,\..*$,,g']`
 lt_minor=`echo "AC_PACKAGE_VERSION" | sed ['s,^[0-9]*\.\([0-9]*\).*$,\1,']`
 lt_micro=`echo "AC_PACKAGE_VERSION" | sed ['s,^[0-9]*\.[0-9]*\(\.[0-9]*\).*$,\1,']`
 lt_alpha=`echo "AC_PACKAGE_VERSION" | sed ['s,^[0-9.]*,,']`

 test "$lt_minor" = "AC_PACKAGE_VERSION" && lt_minor=0
 test "$lt_micro" = "AC_PACKAGE_VERSION" && lt_micro=""

 # Then we try to work out what the release before this one would have been
 # numbered.  The only time we come unstuck is when this is the first release
 # from a stable branch (lt_micro=lt_alpha=""), so LASTRELEASE is the last
 # release from the old stable branch, and we don't know what version that
 # was, so leave it unset so that the Makefile can complain.
 case $lt_alpha in
   [[ab]])
     case $lt_micro in
       [.[01]])
 	LASTRELEASE="$lt_major.$lt_minor" ;;
       *)
 	LASTRELEASE="$lt_major.$lt_minor$lt_micro" ;;
     esac
     ;;
   [[cegikmoqsuwy]])
     LASTRELEASE=`echo "AC_PACKAGE_VERSION" | tr 'c-y' 'b-w'` ;;
   [[dfhjlnprtvxz]])
     LASTRELEASE=`echo "AC_PACKAGE_VERSION" | tr 'd-z' 'b-x'` ;;
   *) # No lt_alpha component
     case $lt_micro in
       .0)
 	LASTRELEASE="" ;;
       .1)
         LASTRELEASE="$lt_major.$lt_minor" ;;
       .*)
 	lt_micro_value=`echo $lt_micro | sed 's,^\.,,'`
 	LASTRELEASE="$lt_major.$lt_minor.`expr $lt_micro_value - 1`" ;;
       *)
 	LASTRELEASE="" ;;
     esac
     ;;
 esac
 AC_SUBST([LASTRELEASE])

 # This is a sanity check so we can see which version is used in bug reports.
 # It is assumed that we only want to see the date extension for cvs libtool
 # versions (i.e. "odd" letters) and not actual alpha releases.
 TIMESTAMP=`${CONFIG_SHELL} ${ac_aux_dir}/mkstamp < ${srcdir}/ChangeLog`
 package_revision=`( set $TIMESTAMP; echo $1; )`
 case $lt_alpha in
   [[bdfhjlnprtvxz]])
     TIMESTAMP=
     ;;
 esac
 AS_BOX([Configuring AC_PACKAGE_TARNAME${TIMESTAMP:+" (Build:$TIMESTAMP)"} AC_PACKAGE_VERSION])
 echo
 AC_SUBST([TIMESTAMP])
 AC_SUBST([package_revision])


 ## ------------------------ ##
 ## Automake Initialisation. ##
 ## ------------------------ ##

 dnl These are bootstrap requirements, once built, libtool may work with
 dnl much older releases of autoconf and automake.  See release notes.
 AM_INIT_AUTOMAKE([1.8 gnits dist-bzip2])dnl We use auto-m4_including

 dnl We use m4sh to generate libtool's portable shell scripts
 AC_SUBST([M4SH], ['autom4te -l m4sh'])

 dnl Make sure config.status is regenerated when the version timestamp changes
 AC_SUBST([CONFIG_STATUS_DEPENDENCIES], ['$(top_srcdir)/stamp-vcl'])

 ## ------------------------------- ##
 ## Libtool specific configuration. ##
 ## ------------------------------- ##
 pkgdatadir='${datadir}'"/${PACKAGE}"
 AC_SUBST([pkgdatadir]) # automake does not need this, but libtoolize does

 aclocaldir='${datadir}/aclocal'
 AC_SUBST([aclocaldir])

 AC_ARG_ENABLE(ltdl-install,
     [AS_HELP_STRING([--disable-ltdl-install], [do not install libltdl])])
 if test x"${enable_ltdl_install+set}" != xset; then
   enable_ltdl_install=yes
 fi

 # All subdirectories that are configured on demand, but that must be
 # included in the distribution.
 CONF_SUBDIRS="tests/cdemo tests/demo tests/depdemo tests/f77demo tests/fcdemo \
 	tests/mdemo tests/mdemo2 tests/pdemo tests/tagdemo"
 AC_SUBST([CONF_SUBDIRS])

 DIST_MAKEFILE_LIST=
 for dir in $CONF_SUBDIRS; do
   DIST_MAKEFILE_LIST="${DIST_MAKEFILE_LIST}$dir/Makefile "
 done
 AC_SUBST([DIST_MAKEFILE_LIST])


 ## ---------------- ##
 ## compiler checks. ##
 ## ---------------- ##

 # Need to be sure that we have a working C compiler, otherwise even with
 # a good C compiler: if the following C++ tests fail, the whole libtool
 # build fails!
 AC_PROG_CC
 AC_PROG_CPP

 ## ----------------------- ##
 ## Libtool initialisation. ##
 ## ----------------------- ##
 LT_INIT([dlopen win32-dll])
 LTDL_INIT

 # Enable all the language support we can
 LT_LANG(C++)
 LT_LANG(Fortran 77)
 LT_LANG(Fortran)
 LT_LANG(Java)
 LT_LANG(Windows Resource)


 ## --------------------------- ##
 ## Work out which tests to run ##
 ## --------------------------- ##
 AM_CONDITIONAL(HAVE_CXX,[test -n "[$]_LT_TAGVAR(compiler, CXX)"])
 AM_CONDITIONAL(HAVE_F77,[test -n "[$]_LT_TAGVAR(compiler, F77)"])
 AM_CONDITIONAL(HAVE_FC,[test -n "[$]_LT_TAGVAR(compiler, FC)"])
 AM_CONDITIONAL(HAVE_GCJ, [test -n "[$]_LT_TAGVAR(compiler, GCJ)"])
 AM_CONDITIONAL(HAVE_RC, [test -n "[$]_LT_TAGVAR(compiler, RC)"])


 ## -------- ##
 ## Outputs. ##
 ## -------- ##
 AC_CONFIG_FILES([Makefile libltdl/Makefile])
 AC_OUTPUT
	## Process this file with autoconf to create configure. -- autoconf --
	# Copyright (C) 2001, 2004 Free Software Foundation, Inc.
	#
	# 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., 51 Franklin Street, Fifth Floor, Boston, MA
	# 02110-1301 USA


	AC_PREREQ(2.59)dnl We use AS_HELP_STRING
	dnl Oldest automake required for bootstrap is below in AM_INIT_AUTOMAKE.


	## ------------------------ ##
	## Autoconf initialisation. ##
	## ------------------------ ##
	AC_INIT([libtool], [1.9g], [bug-libtool@gnu.org])
	AC_CONFIG_HEADERS([config.h:config-h.in])
	AC_CONFIG_SRCDIR([libtoolize.in])
	AC_CONFIG_AUX_DIR([config])


	## ------------------------ ##
	## Autotest initialisation. ##
	## ------------------------ ##

	dnl AC_CONFIG_TESTDIR([tests])
	dnl AC_CONFIG_FILES([tests/atlocal])


	## ---------------------------------------- ##
	## Display a configure time version banner. ##
	## ---------------------------------------- ##

	# Calculating the previous version is somewhat involved, so do it once
	# here, and SUBST the result for the maintainer release rules. The
	# versioning scheme we use is described here:
	# http://www.gnu.org/software/libtool/contribute.html

	# First we break the version number up into its constituent parts.
	lt_major=`echo "AC_PACKAGE_VERSION" \| sed ['s,\..*$,,g']`
	lt_minor=`echo "AC_PACKAGE_VERSION" \| sed ['s,^[0-9]\.\([0-9]\).*$,\1,']`
	lt_micro=`echo "AC_PACKAGE_VERSION" \| sed ['s,^[0-9]\.[0-9]\(\.[0-9]\).$,\1,']`
	lt_alpha=`echo "AC_PACKAGE_VERSION" \| sed ['s,^[0-9.]*,,']`

	test "$lt_minor" = "AC_PACKAGE_VERSION" && lt_minor=0
	test "$lt_micro" = "AC_PACKAGE_VERSION" && lt_micro=""

	# Then we try to work out what the release before this one would have been
	# numbered. The only time we come unstuck is when this is the first release
	# from a stable branch (lt_micro=lt_alpha=""), so LASTRELEASE is the last
	# release from the old stable branch, and we don't know what version that
	# was, so leave it unset so that the Makefile can complain.
	case $lt_alpha in
	[[ab]])
	case $lt_micro in
	[.[01]])
	LASTRELEASE="$lt_major.$lt_minor" ;;
	*)
	LASTRELEASE="$lt_major.$lt_minor$lt_micro" ;;
	esac
	;;
	[[cegikmoqsuwy]])
	LASTRELEASE=`echo "AC_PACKAGE_VERSION" \| tr 'c-y' 'b-w'` ;;
	[[dfhjlnprtvxz]])
	LASTRELEASE=`echo "AC_PACKAGE_VERSION" \| tr 'd-z' 'b-x'` ;;
	*) # No lt_alpha component
	case $lt_micro in
	.0)
	LASTRELEASE="" ;;
	.1)
	LASTRELEASE="$lt_major.$lt_minor" ;;
	.*)
	lt_micro_value=`echo $lt_micro \| sed 's,^\.,,'`
	LASTRELEASE="$lt_major.$lt_minor.`expr $lt_micro_value - 1`" ;;
	*)
	LASTRELEASE="" ;;
	esac
	;;
	esac
	AC_SUBST([LASTRELEASE])

	# This is a sanity check so we can see which version is used in bug reports.
	# It is assumed that we only want to see the date extension for cvs libtool
	# versions (i.e. "odd" letters) and not actual alpha releases.
	TIMESTAMP=`${CONFIG_SHELL} ${ac_aux_dir}/mkstamp < ${srcdir}/ChangeLog`
	package_revision=`( set $TIMESTAMP; echo $1; )`
	case $lt_alpha in
	[[bdfhjlnprtvxz]])
	TIMESTAMP=
	;;
	esac
	AS_BOX([Configuring AC_PACKAGE_TARNAME${TIMESTAMP:+" (Build:$TIMESTAMP)"} AC_PACKAGE_VERSION])
	echo
	AC_SUBST([TIMESTAMP])
	AC_SUBST([package_revision])


	## ------------------------ ##
	## Automake Initialisation. ##
	## ------------------------ ##

	dnl These are bootstrap requirements, once built, libtool may work with
	dnl much older releases of autoconf and automake. See release notes.
	AM_INIT_AUTOMAKE([1.8 gnits dist-bzip2])dnl We use auto-m4_including

	dnl We use m4sh to generate libtool's portable shell scripts
	AC_SUBST([M4SH], ['autom4te -l m4sh'])

	dnl Make sure config.status is regenerated when the version timestamp changes
	AC_SUBST([CONFIG_STATUS_DEPENDENCIES], ['$(top_srcdir)/stamp-vcl'])

	## ------------------------------- ##
	## Libtool specific configuration. ##
	## ------------------------------- ##
	pkgdatadir='${datadir}'"/${PACKAGE}"
	AC_SUBST([pkgdatadir]) # automake does not need this, but libtoolize does

	aclocaldir='${datadir}/aclocal'
	AC_SUBST([aclocaldir])

	AC_ARG_ENABLE(ltdl-install,
	[AS_HELP_STRING([--disable-ltdl-install], [do not install libltdl])])
	if test x"${enable_ltdl_install+set}" != xset; then
	enable_ltdl_install=yes
	fi

	# All subdirectories that are configured on demand, but that must be
	# included in the distribution.
	CONF_SUBDIRS="tests/cdemo tests/demo tests/depdemo tests/f77demo tests/fcdemo \
	tests/mdemo tests/mdemo2 tests/pdemo tests/tagdemo"
	AC_SUBST([CONF_SUBDIRS])

	DIST_MAKEFILE_LIST=
	for dir in $CONF_SUBDIRS; do
	DIST_MAKEFILE_LIST="${DIST_MAKEFILE_LIST}$dir/Makefile "
	done
	AC_SUBST([DIST_MAKEFILE_LIST])



	## ---------------- ##
	## compiler checks. ##
	## ---------------- ##

	# Need to be sure that we have a working C compiler, otherwise even with
	# a good C compiler: if the following C++ tests fail, the whole libtool
	# build fails!
	AC_PROG_CC
	AC_PROG_CPP

	## ----------------------- ##
	## Libtool initialisation. ##
	## ----------------------- ##
	LT_INIT([dlopen win32-dll])
	LTDL_INIT

	# Enable all the language support we can
	LT_LANG(C++)
	LT_LANG(Fortran 77)
	LT_LANG(Fortran)
	LT_LANG(Java)
	LT_LANG(Windows Resource)


	## --------------------------- ##
	## Work out which tests to run ##
	## --------------------------- ##
	AM_CONDITIONAL(HAVE_CXX,[test -n "[$]_LT_TAGVAR(compiler, CXX)"])
	AM_CONDITIONAL(HAVE_F77,[test -n "[$]_LT_TAGVAR(compiler, F77)"])
	AM_CONDITIONAL(HAVE_FC,[test -n "[$]_LT_TAGVAR(compiler, FC)"])
	AM_CONDITIONAL(HAVE_GCJ, [test -n "[$]_LT_TAGVAR(compiler, GCJ)"])
	AM_CONDITIONAL(HAVE_RC, [test -n "[$]_LT_TAGVAR(compiler, RC)"])


	## -------- ##
	## Outputs. ##
	## -------- ##
	AC_CONFIG_FILES([Makefile libltdl/Makefile])
	AC_OUTPUT