libtool/configure.ac
Gary V. Vaughan ef758b513c * configure.ac (APIVERSION): New substituted variable.
(pkgvdatadir): Ditto.  Versioned data directory.
(pkgvmacrodir): Ditto.  Versioned aclocal directory.
(LN): New check for LN command.
* Makefile.am (aclocal_DATA): Replaced with...
(pkgvmacro_DATA): ...this.
(install-data-local): Remove old shared resources.
(install-exec-hook): Make versioned links to executables.
(uninstall-hook): Remove versioned files.
* libltdl/Makefile.am (ltdldatadir): Redefine in terms of
pkgvdatadir.
* libltdl/loaders/Makefile.am (ltdldatadir): Ditto.
* libtoolize.m4sh: Copy macro files from versioned macro directory
instead of shared aclocal directory.
* doc/libtool.texi: Document it.
* NEWS: Updated.
2004-11-15 01:03:14 +00:00

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## 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., 59 Temple Place, Suite 330, Boston, MA
# 02111-1307 USA
AC_PREREQ(2.58) ## We use AS_HELP_STRING
## Oldest automake required for bootstrap is below in AM_INIT_AUTOMAKE.
## ------------------------ ##
## Autoconf initialisation. ##
## ------------------------ ##
AC_INIT([libtool], [2.1a], [bug-libtool@gnu.org])
AC_CONFIG_HEADERS([config.h:config-h.in])
AC_CONFIG_SRCDIR([libtoolize.in])
AC_CONFIG_AUX_DIR([config])
## ------------------------ ##
## Autotest initialisation. ##
## ------------------------ ##
AC_CONFIG_TESTDIR([tests])
AC_SUBST([AUTOM4TE], [autom4te])
AC_SUBST([AUTOTEST], ['$(AUTOM4TE) --language=autotest'])
## ---------------------------------------- ##
## Display a configure time version banner. ##
## ---------------------------------------- ##
# Calculating the previous version is somewhat involved, so do it once
# here, and SUBST the result for the maintainer release rules. The
# versioning scheme we use is described here:
# http://www.gnu.org/software/libtool/contribute.html
# First we break the version number up into its constituent parts.
lt_major=`echo "AC_PACKAGE_VERSION" | sed ['s,\..*$,,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:$TIMESTAMP)"} AC_PACKAGE_VERSION])
echo
AC_SUBST([TIMESTAMP])
AC_SUBST([package_revision])
## ------------------------ ##
## Automake Initialisation. ##
## ------------------------ ##
dnl These are bootstrap requirements, once built, libtool may work with
dnl much older releases of autoconf and automake. See release notes.
AM_INIT_AUTOMAKE([1.8 gnits dist-bzip2]) ## We use auto-m4_including
dnl We use m4sh to generate libtool's portable shell scripts
AC_SUBST([M4SH], ['$(AUTOM4TE) --language=m4sh'])
dnl Make sure config.status is regenerated when the version timestamp changes
AC_SUBST([CONFIG_STATUS_DEPENDENCIES], ['$(top_builddir)/stamp-vcl'])
## ------------------------------- ##
## Libtool specific configuration. ##
## ------------------------------- ##
# The API version is the base version. We must guarantee
# compatibility for all releases with the same API version.
# Our current rule is that:
# * All releases, including the prereleases, in an X.Y series
# are compatible. So 2.0.1c is compatible with 2.0.
# * Prereleases on the trunk are all incompatible -- 2.1b and 2.1c
# aren't the same.
APIVERSION=`echo "$VERSION" | sed -e 's/^\([[0-9]]*\.[[0-9]]*[[a-z]]*\).*$/\1/'`
AC_SUBST([APIVERSION])
AC_SUBST([aclocaldir], ["\${prefix}/aclocal"])
AC_SUBST([pkgvdatadir], ["\${datadir}/$PACKAGE-$APIVERSION"])
AC_SUBST([pkgvmacrodir], ["\${datadir}/$PACKAGE-$APIVERSION/m4"])
AC_ARG_ENABLE(ltdl-install,
[AS_HELP_STRING([--disable-ltdl-install], [do not install libltdl])])
if test x"${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. This substitution is for tests/Makefile.am,
# so the directory names are relative to that directory.
CONF_SUBDIRS="cdemo demo depdemo f77demo mdemo mdemo2 pdemo tagdemo"
AC_SUBST([CONF_SUBDIRS])
DIST_MAKEFILE_LIST=
for dir in $CONF_SUBDIRS; do
DIST_MAKEFILE_LIST="${DIST_MAKEFILE_LIST}tests/$dir/Makefile "
done
AC_SUBST([DIST_MAKEFILE_LIST])
# Test for ln. We need use it to install the versioned binaries.
AC_MSG_CHECKING([whether ln works])
AC_CACHE_VAL([am_cv_prog_ln], [
rm -f conftest conftest.file
: >conftest.file
if ln conftest.file conftest 2>/dev/null; then
am_cv_prog_ln=ln
else
am_cv_prog_ln='cp -p'
fi
rm -f conftest conftest.file])
AC_SUBST([LN], [$am_cv_prog_ln])
result=no
test "x$am_cv_prog_ln" = xln && result=yes
AC_MSG_RESULT([$result])
## ---------------- ##
## 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(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_GCJ, [test -n "[$]_LT_TAGVAR(compiler, GCJ)"])
AM_CONDITIONAL(HAVE_RC, [test -n "[$]_LT_TAGVAR(compiler, RC)"])
## -------- ##
## Outputs. ##
## -------- ##
AC_CONFIG_FILES([Makefile libltdl/Makefile libltdl/loaders/Makefile
doc/Makefile tests/Makefile])
AC_OUTPUT