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# Configure script for libada.
# Copyright 2003, 2004 Free Software Foundation, Inc.
#
# This file 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.
sinclude(../config/acx.m4)
sinclude(../config/override.m4)
AC_INIT
AC_PREREQ([2.59])
AC_CONFIG_SRCDIR([Makefile.in])
# Determine the host, build, and target systems
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
# Determine the noncanonical target name, for directory use.
ACX_NONCANONICAL_TARGET
# Determine the target- and build-specific subdirectories
GCC_TOPLEV_SUBDIRS
# Command-line options.
# Very limited version of AC_MAINTAINER_MODE.
AC_ARG_ENABLE([maintainer-mode],
[AC_HELP_STRING([--enable-maintainer-mode],
[enable make rules and dependencies not useful (and
sometimes confusing) to the casual installer])],
[case ${enable_maintainer_mode} in
yes) MAINT='' ;;
no) MAINT='#' ;;
*) AC_MSG_ERROR([--enable-maintainer-mode must be yes or no]) ;;
esac
maintainer_mode=${enableval}],
[MAINT='#'])
AC_SUBST([MAINT])dnl
AC_CANONICAL_SYSTEM
target_alias=${target_alias-$host_alias}
AM_ENABLE_MULTILIB(, ..)
# Calculate toolexeclibdir
# Also toolexecdir, though it's only used in toolexeclibdir
case ${enable_version_specific_runtime_libs} in
yes)
# Need the gcc compiler version to know where to install libraries
# and header files if --enable-version-specific-runtime-libs option
# is selected.
toolexecdir='$(libdir)/gcc/$(target_alias)'
toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
;;
no)
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
# Install a library built with a cross compiler in tooldir, not libdir.
toolexecdir='$(exec_prefix)/$(target_alias)'
toolexeclibdir='$(toolexecdir)/lib'
else
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
toolexeclibdir='$(libdir)'
fi
multi_os_directory=`$CC -print-multi-os-directory`
case $multi_os_directory in
.) ;; # Avoid trailing /.
*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
esac
;;
esac
AC_SUBST(toolexecdir)
AC_SUBST(toolexeclibdir)
#TODO: toolexeclibdir is currently disregarded
# Check the compiler.
# The same as in boehm-gc and libstdc++. Have to borrow it from there.
# We must force CC to /not/ be precious variables; otherwise
# the wrong, non-multilib-adjusted value will be used in multilibs.
# As a side effect, we have to subst CFLAGS ourselves.
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
AC_PROG_CC
m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
AC_SUBST(CFLAGS)
AC_ARG_ENABLE([shared],
[AC_HELP_STRING([--disable-shared],
[don't provide a shared libgnat])],
[
case $enable_shared in
yes | no) ;;
*)
enable_shared=no
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
for pkg in $enableval; do
case $pkg in
ada | libada)
enable_shared=yes ;;
esac
done
IFS="$ac_save_ifs"
;;
esac
], [enable_shared=yes])
AC_SUBST([enable_shared])
# Need to pass this down for now :-P
AC_PROG_LN_S
# Determine what to build for 'gnatlib'
if test $build = $target \
&& test ${enable_shared} = yes ; then
# Note that build=target is almost certainly the wrong test; FIXME
default_gnatlib_target="gnatlib-shared"
else
default_gnatlib_target="gnatlib-plain"
fi
AC_SUBST([default_gnatlib_target])
AC_PROG_CC
warn_cflags=
if test "x$GCC" = "xyes"; then
warn_cflags='$(GCC_WARN_CFLAGS)'
fi
AC_SUBST(warn_cflags)
# Output: create a Makefile.
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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