| # Configure script for libada. |
| # Copyright (C) 2003-2018 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 3 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; 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/unwind_ipinfo.m4) |
| |
| AC_INIT |
| AC_PREREQ([2.64]) |
| |
| 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. |
| # 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 |
| |
| 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_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])], |
| [ |
| 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]) |
| |
| GCC_PICFLAG |
| AC_SUBST([PICFLAG]) |
| |
| # These must be passed down, or are needed by gcc/libgcc.mvars |
| AC_PROG_AWK |
| AC_PROG_LN_S |
| |
| # Determine what to build for 'gnatlib' |
| if test ${enable_shared} = yes; then |
| default_gnatlib_target="gnatlib-shared" |
| else |
| default_gnatlib_target="gnatlib-plain" |
| fi |
| AC_SUBST([default_gnatlib_target]) |
| |
| # Check for _Unwind_GetIPInfo |
| GCC_CHECK_UNWIND_GETIPINFO |
| if test x$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]) |
| |
| AC_OUTPUT |