configure.ac

# Process this file with autoconf to create configure. -*- autoconf -*-

#   Copyright (C) 2001, 2004, 2005, 2008, 2010 Free Software Foundation,
#   Inc.
#   Written by Gary V. Vaughan, 2001
#
#   This file is part of GNU Libtool.
#
# GNU Libtool 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.
#
# GNU Libtool 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 GNU Libtool; see the file COPYING.  If not, a copy
# can be downloaded from  http://www.gnu.org/licenses/gpl.html,
# or obtained by writing to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
####


AC_PREREQ(2.62)dnl Some m4sh scripts use $as_echo
dnl Oldest automake required for bootstrap is below in AM_INIT_AUTOMAKE.


## ------------------------ ##
## Autoconf initialisation. ##
## ------------------------ ##
AC_INIT([GNU Libtool],
	m4_esyscmd([build-aux/git-version-gen .tarball-version]),
	[bug-libtool@gnu.org])
m4_ifndef([AC_PACKAGE_URL],
	  [AC_SUBST([PACKAGE_URL], [http://www.gnu.org/s/libtool/])])

# Since we already declare these directories in this file, save those
# choices, and push the results into Makefile.am to avoid declaring
# them in two places making renames error prone, and where copies
# might get out of sync.
m4_define([AC_CONFIG_AUX_DIR],
     m4_defn([AC_CONFIG_AUX_DIR])[AC_SUBST([aux_dir], [$1])])
m4_define([LT_CONFIG_LTDL_DIR],
     m4_defn([LT_CONFIG_LTDL_DIR])[AC_SUBST([ltdl_dir], [$1])])
m4_define([AC_CONFIG_MACRO_DIR],
     m4_defn([AC_CONFIG_MACRO_DIR])[AC_SUBST([macro_dir], [$1])])

AC_CONFIG_HEADERS([config.h:config-h.in])
AC_CONFIG_SRCDIR([libtoolize.m4sh])
LT_CONFIG_LTDL_DIR([libltdl], [nonrecursive])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_LIBOBJ_DIR([libltdl])

package_revision=`$SHELL $ac_aux_dir/git-version-gen .tarball-version`
AC_SUBST([package_revision])

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

AC_CONFIG_TESTDIR([tests])
AC_SUBST([AUTOM4TE], [${AUTOM4TE=autom4te}])
AC_SUBST([AUTOTEST], ['$(AUTOM4TE) --language=autotest'])


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

# This is a sanity check so we can see which version is used in bug reports.
AS_BOX([Configuring AC_PACKAGE_TARNAME AC_PACKAGE_VERSION])
echo


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

dnl These are bootstrap requirements! Once built, libtool may work with
dnl much older releases of autoconf and automake.  See release notes.
dnl 1.11 is needed for color-tests, 1.11.1 fixes a security issue.
AM_INIT_AUTOMAKE([1.11.1 gnu subdir-objects dist-xz color-tests parallel-tests])
AM_SILENT_RULES([yes])


## ------------------------- ##
## Autobuild initialisation. ##
## ------------------------- ##

# You can set autobuild_mode at configure time to specify a "unique"
# string for this build.
: ${autobuild_mode=default}
AB_VERSION='AC_PACKAGE_VERSION'
AB_INIT([$autobuild_mode])


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], ['$(srcdir)/.version'])


## ------------------------------- ##
## Libtool specific configuration. ##
## ------------------------------- ##

AC_SUBST([aclocaldir], ["\$(datadir)/aclocal"])
AC_SUBST([pkgdatadir], ["\$(datadir)/$PACKAGE"])

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

# The list of scripts required to build libltdl, and which need to be
# installed by libtoolize --ltdl, and consequently need to be placed in
# $pkgdatadir by our make install rule.
pkgaux_scripts="compile config.guess config.sub depcomp install-sh missing"
AC_SUBST([pkgaux_scripts])

# 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
GL_EARLY
AM_PROG_CC_C_O
AC_PROG_CPP

## ----------------------- ##
## Libtool initialisation. ##
## ----------------------- ##
LT_INIT([dlopen win32-dll])
_LT_SET_OPTION([LTDL_INIT], [nonrecursive])
_LTDL_SETUP

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

# Ensure the correct file name (and path) conversion function
# is available to the test suite.
AC_SUBST([to_host_file_cmd])dnl
AC_SUBST([to_tool_file_cmd])dnl

## --------------------------- ##
## 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)"])

## Whether `make' supports order-only prerequisites.
AC_CACHE_CHECK([whether ${MAKE-make} supports order-only prerequisites],
  [lt_cv_make_order_only],
  [mkdir conftest.dir
   cd conftest.dir
   touch b
   touch a
cat >confmk << 'END'
ORDER = |
a: b $(ORDER) c
a b c:
	touch $[]@
END
   touch c
   if ${MAKE-make} -s -q -f confmk >/dev/null 2>&1; then
     lt_cv_make_order_only=yes
   else
     lt_cv_make_order_only=no
   fi
   cd ..
   rm -rf conftest.dir
])
if test yes = "$lt_cv_make_order_only"; then
  ORDER='|'
else
  ORDER=''
fi
AC_SUBST([ORDER])

## ---------------------- ##
## Gnulib initialisation. ##
## ---------------------- ##
GL_INIT

## ------------- ##
## Documentation ##
## ------------- ##
AM_MISSING_PROG([HELP2MAN], [help2man])

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