# Configure script for libada.
-# Copyright 2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 2003-2020 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
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# 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.
+# along with this program; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+sinclude(../config/acx.m4)
+sinclude(../config/multi.m4)
+sinclude(../config/override.m4)
+sinclude(../config/picflag.m4)
+sinclude(../config/toolexeclibdir.m4)
+sinclude(../config/unwind_ipinfo.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
+target_alias=${target_alias-$host_alias}
+
+# Determine the noncanonical target name, for directory use.
+ACX_NONCANONICAL_TARGET
+
+# Determine the target- and build-specific subdirectories
+GCC_TOPLEV_SUBDIRS
+
# Command-line options.
+
+AC_ARG_ENABLE(version-specific-runtime-libs,
+ [AS_HELP_STRING([--enable-version-specific-runtime-libs],
+ [specify that runtime libraries should be
+ installed in a compiler-specific directory])],
+ [case "$enableval" in
+ yes|no)
+ ;;
+ *)
+ AC_MSG_ERROR([--enable-version-specific-runtime-libs must be yes or no])
+ ;;
+ esac],
+ [enable_version_specific_runtime_libs=yes]
+)
+
# Very limited version of AC_MAINTAINER_MODE.
AC_ARG_ENABLE([maintainer-mode],
[AC_HELP_STRING([--enable-maintainer-mode],
[MAINT='#'])
AC_SUBST([MAINT])dnl
+GCC_WITH_TOOLEXECLIBDIR
+
+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/$(target_noncanonical)'
+ toolexeclibdir='$(toolexecdir)/$(version)$(MULTISUBDIR)/adalib'
+ ;;
+ 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)'
+ case ${with_toolexeclibdir} in
+ no)
+ toolexeclibdir='$(toolexecdir)/lib'
+ ;;
+ *)
+ toolexeclibdir=${with_toolexeclibdir}
+ ;;
+ esac
+ else
+ toolexecdir='$(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)
+
+# 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_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+
+AC_SUBST(CFLAGS)
+
AC_ARG_ENABLE([shared],
[AC_HELP_STRING([--disable-shared],
[don't provide a shared libgnat])],
], [enable_shared=yes])
AC_SUBST([enable_shared])
-# Start of actual configure tests
-
-AC_CANONICAL_BUILD
-AC_CANONICAL_HOST
-AC_CANONICAL_TARGET
+GCC_PICFLAG
+AC_SUBST([PICFLAG])
-# Need to pass this down for now :-P
+# These must be passed down, or are needed by gcc/libgcc.mvars
+AC_PROG_AWK
AC_PROG_LN_S
-# Determine x_ada_cflags
-case $host in
- hppa*) x_ada_cflags=-mdisable-indexing ;;
- *) x_ada_cflags= ;;
-esac
-AC_SUBST([x_ada_cflags])
-
# 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
+if test ${enable_shared} = yes; then
default_gnatlib_target="gnatlib-shared"
else
- default_gnatlib_target="gnatlib-plain"
+ default_gnatlib_target="gnatlib"
fi
AC_SUBST([default_gnatlib_target])
+# Check for _Unwind_GetIPInfo
+GCC_CHECK_UNWIND_GETIPINFO
+if test x$have_unwind_getipinfo = xyes; then
+ have_getipinfo=-DHAVE_GETIPINFO
+else
+ have_getipinfo=
+fi
+AC_SUBST([have_getipinfo])
+
+# Check for <sys/capability.h>
+AC_CHECK_HEADER([sys/capability.h], have_capability=-DHAVE_CAPABILITY, have_capability=)
+AC_SUBST([have_capability])
+
+# Determine what GCC version number to use in filesystem paths.
+GCC_BASE_VER
+
# Output: create a Makefile.
AC_CONFIG_FILES([Makefile])
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