# Process this file with autoconf to produce a configure script.
# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004
-# Free Software Foundation, Inc.
+# 2005, 2006, 2009, 2011 Free Software Foundation, Inc.
# Originally contributed by Dave Love (d.love@dl.ac.uk).
#
#This file is part of GCC.
#
#GCC 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, or (at your option)
+#the Free Software Foundation; either version 3, or (at your option)
#any later version.
#
#GCC is distributed in the hope that it will be useful,
#GNU General Public License for more details.
#
#You should have received a copy of the GNU General Public License
-#along with GCC; see the file COPYING. If not, write to
-#the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-#02110-1301, USA.
+#along with GCC; see the file COPYING3. If not see
+#<http://www.gnu.org/licenses/>.
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
AC_INIT(package-unused, version-unused,, libobjc)
AC_CONFIG_SRCDIR([objc/objc.h])
GCC_TOPLEV_SUBDIRS
# We need the following definitions because AC_PROG_LIBTOOL relies on them
PACKAGE=libobjc
# Version is pulled out to make it a bit easier to change using sed.
-VERSION=2:0:0
+VERSION=4:0:0
AC_SUBST(VERSION)
# This works around the fact that libtool configuration may change LD
# Options
# -------
-# Default to --enable-multilib
-AC_ARG_ENABLE(multilib,
- [ --enable-multilib build hella library versions (default)],
- [case "${enableval}" in
- yes) multilib=yes ;;
- no) multilib=no ;;
- *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
- esac],
- [multilib=yes])
-
# We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
[ --with-target-subdir=SUBDIR
[ --enable-objc-gc enable the use of Boehm's garbage collector with
the GNU Objective-C runtime.],
[case $enable_objc_gc in
- no) OBJC_BOEHM_GC='' ;;
- *) OBJC_BOEHM_GC=libobjc_gc.la ;;
+ no)
+ OBJC_GCFLAGS=''
+ OBJC_BOEHM_GC=''
+ OBJC_BOEHM_GC_INCLUDES=''
+ ;;
+ *)
+ OBJC_GCFLAGS='-DOBJC_WITH_GC=1'
+ OBJC_BOEHM_GC='libobjc_gc$(libsuffix).la'
+ OBJC_BOEHM_GC_INCLUDES='-I$(top_srcdir)/../boehm-gc/include -I../boehm-gc/include'
+ case "${host}" in
+ alpha*-dec-osf*)
+ # boehm-gc headers include <pthread.h>, which needs to be compiled
+ # with -pthread on Tru64 UNIX.
+ OBJC_GCFLAGS="${OBJC_GCFLAGS} -pthread"
+ ;;
+ esac
+ ;;
esac],
-[OBJC_BOEHM_GC=''])
+[OBJC_GCFLAGS=''; OBJC_BOEHM_GC=''; OBJC_BOEHM_GC_INCLUDES=''])
+AC_SUBST(OBJC_GCFLAGS)
AC_SUBST(OBJC_BOEHM_GC)
+AC_SUBST(OBJC_BOEHM_GC_INCLUDES)
# -----------
# Directories
# -----------
-# When building with srcdir == objdir, links to the source files will
-# be created in directories within the target_subdir. We have to
-# adjust toplevel_srcdir accordingly, so that configure finds
-# install-sh and other auxiliary files that live in the top-level
-# source directory.
-if test "${srcdir}" = "."; then
- if test -z "${with_target_subdir}"; then
- toprel=".."
- else
- if test "${with_target_subdir}" != "."; then
- toprel="${with_multisrctop}../.."
- else
- toprel="${with_multisrctop}.."
- fi
- fi
-else
- toprel=".."
-fi
-AC_CONFIG_AUX_DIR(${srcdir}/$toprel)
-toplevel_srcdir=\${srcdir}/$toprel
-AC_SUBST(toplevel_srcdir)
+# Find the rest of the source tree framework.
+AM_ENABLE_MULTILIB(, ..)
AC_CANONICAL_SYSTEM
ACX_NONCANONICAL_TARGET
# Figure out if we want to name the include directory and the
# library name changes differently.
includedirname=include
-libext=
+libsuffix=
case "${host}" in
*-darwin*)
# Darwin is the only target so far that needs a different include directory.
includedirname=include-gnu-runtime
- libext=-gnu
+ libsuffix=-gnu
;;
esac
AC_SUBST(includedirname)
-AC_SUBST(libext)
+AC_SUBST(libsuffix)
AC_CONFIG_HEADERS(config.h)
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])
+m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
# extra LD Flags which are required for targets
+ACX_LT_HOST_FLAGS
case "${host}" in
*-darwin*)
# Darwin needs -single_module when linking libobjc
- extra_ldflags_libobjc=-Wl,-single_module
+ extra_ldflags_libobjc='$(lt_host_flags) -Wl,-single_module'
+ ;;
+ *-cygwin*|*-mingw*)
+ # Tell libtool to build DLLs on Windows
+ extra_ldflags_libobjc='$(lt_host_flags)'
;;
esac
AC_SUBST(extra_ldflags_libobjc)
# Miscellanea
# -----------
-AC_MSG_CHECKING([for thread model used by GCC])
-target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
-AC_MSG_RESULT([$target_thread_file])
-
-if test $target_thread_file != single; then
- AC_DEFINE(HAVE_GTHR_DEFAULT, 1,
- [Define if the compiler has a thread header that is non single.])
-fi
-
+# Check if we have thread-local storage
+GCC_CHECK_TLS
AC_MSG_CHECKING([for exception model to use])
AC_LANG_PUSH(C)
# Output
# ------
-AC_CONFIG_FILES([Makefile])
-
-AC_CONFIG_COMMANDS([default],
-[[if test -n "$CONFIG_FILES"; then
- if test -n "${with_target_subdir}"; then
- # FIXME: We shouldn't need to set ac_file
- ac_file=Makefile
- LD="${ORIGINAL_LD_FOR_MULTILIBS}"
- . ${toplevel_srcdir}/config-ml.in
- fi
-fi]],
-[[srcdir=${srcdir}
-host=${host}
-target=${target}
-with_target_subdir=${with_target_subdir}
-with_multisubdir=${with_multisubdir}
-ac_configure_args="--enable-multilib ${ac_configure_args}"
-toplevel_srcdir=${toplevel_srcdir}
-CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
-ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
-]])
+if test ${multilib} = yes; then
+ multilib_arg="--enable-multilib"
+else
+ multilib_arg=
+fi
+AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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