da4b192759
�
* configure.in (AC_PREREQ): Update to 2.13.
(AC_EXEEXT): Call to find possible file extension.
(compiler_name): Use.
* configure: Regenerate.
From-SVN: r25955
148 lines
4.4 KiB
Plaintext
148 lines
4.4 KiB
Plaintext
# Process this file with autoconf to produce a configure script.
|
|
# Copyright (C) 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
|
|
# Contributed by Dave Love (d.love@dl.ac.uk).
|
|
#
|
|
#This file is part of GNU Objective C.
|
|
#
|
|
#GNU Objective C 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)
|
|
#any later version.
|
|
#
|
|
#GNU Objective C 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 Objective C; see the file COPYING. If not, write to
|
|
#the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
|
#02111-1307, USA.
|
|
|
|
AC_PREREQ(2.13)
|
|
AC_INIT(objc/objc.h)
|
|
#AC_CONFIG_HEADER(config.h)
|
|
|
|
if test "${srcdir}" = "." ; then
|
|
if test "${with_target_subdir}" != "." ; then
|
|
topsrcdir=${with_multisrctop}../..
|
|
else
|
|
topsrcdir=${with_multisrctop}..
|
|
fi
|
|
else
|
|
topsrcdir=${srcdir}/..
|
|
fi
|
|
dnl This is needed for a multilibbed build in the source tree so
|
|
dnl that install-sh and config.sub get found.
|
|
AC_CONFIG_AUX_DIR($topsrcdir)
|
|
|
|
# We have to handle 3 cases -- native, cross and canadian cross -- and
|
|
# the extension returned from this macro needs to be treated as a possible
|
|
# scenario and not the only one.
|
|
AC_EXEEXT
|
|
|
|
# If the language specific compiler does not exist, but the "gcc" directory
|
|
# does, we do not build anything. Note, $r is set by the top-level Makefile.
|
|
# Note that when we look for the compiler, we search both with and without
|
|
# extension to handle cross and canadian cross builds.
|
|
compiler_name=cc1obj
|
|
rm -f skip-this-dir
|
|
AC_MSG_CHECKING(if compiler $compiler_name has been built)
|
|
AC_CACHE_VAL(objc_cv_compiler_exists,
|
|
[objc_cv_compiler_exists=yes
|
|
if test -n "$r"; then
|
|
if test -d "$r"/gcc; then
|
|
if test -f "$r"/gcc/$compiler_name \
|
|
|| test -f "$r"/gcc/$compiler_name$EXEEXT; then
|
|
true
|
|
else
|
|
objc_cv_compiler_exists=no
|
|
echo "rm -f config.cache config.log multilib.out" > skip-this-dir
|
|
fi
|
|
fi
|
|
fi
|
|
])
|
|
AC_MSG_RESULT($objc_cv_compiler_exists)
|
|
if test x$objc_cv_compiler_exists = xno
|
|
then
|
|
rm -f Makefile conftest* confdefs* core
|
|
exit 0
|
|
fi
|
|
|
|
dnl Checks for programs.
|
|
# For ObjC we'll set CC to point at the built gcc, but this will get it into
|
|
# the makefiles
|
|
AC_PROG_CC
|
|
|
|
test "$AR" || AR=ar
|
|
AC_SUBST(AR)
|
|
if test "$RANLIB"; then :
|
|
AC_SUBST(RANLIB)
|
|
else
|
|
AC_PROG_RANLIB
|
|
fi
|
|
AC_PROG_INSTALL
|
|
|
|
dnl Checks for libraries.
|
|
|
|
dnl Checks for header files.
|
|
# Sanity check for the cross-compilation case:
|
|
AC_CHECK_HEADER(stdio.h,:,
|
|
[AC_MSG_ERROR([Can't find stdio.h.
|
|
You must have a usable C system for the target already installed, at least
|
|
including headers and, preferably, the library, before you can configure
|
|
the Objective C runtime system. If necessary, install gcc now with
|
|
\`LANGUAGES=c', then the target library, then build with \`LANGUAGES=objc'.])])
|
|
|
|
AC_HEADER_STDC
|
|
|
|
# Determine the name of the GCC thread file.
|
|
|
|
AC_CACHE_CHECK([for thread file],objc_cv_thread_file,
|
|
[if test -f "$r"/gcc/Makefile
|
|
then
|
|
objc_cv_thread_file=`grep \^GCC_THREAD_FILE "$r"/gcc/Makefile | awk -F= '{ print $2 }'`
|
|
else
|
|
AC_MSG_ERROR([not found])
|
|
fi])
|
|
OBJC_THREAD_FILE=$objc_cv_thread_file
|
|
AC_SUBST(OBJC_THREAD_FILE)
|
|
|
|
AC_ARG_ENABLE(objc-gc,
|
|
[ --enable-objc-gc enable the use of Boehm's garbage collector with
|
|
the GNU Objective-C runtime.],
|
|
if [[[ x$enable_objc_gc = xno ]]]; then
|
|
OBJC_BOEHM_GC=''
|
|
else
|
|
OBJC_BOEHM_GC=libobjc_gc.a
|
|
fi,
|
|
OBJC_BOEHM_GC='')
|
|
AC_SUBST(OBJC_BOEHM_GC)
|
|
|
|
|
|
# We need multilib support, but only if configuring for the target.
|
|
AC_OUTPUT(Makefile,
|
|
[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
|
|
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
|
|
. ${topsrcdir}/config-ml.in
|
|
fi
|
|
fi],
|
|
srcdir=${srcdir}
|
|
host=${host}
|
|
target=${target}
|
|
with_target_subdir=${with_target_subdir}
|
|
with_multisubdir=${with_multisubdir}
|
|
ac_configure_args="--enable-multilib ${ac_configure_args}"
|
|
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
|
topsrcdir=${topsrcdir}
|
|
)
|
|
|
|
dnl Local Variables:
|
|
dnl comment-start: "dnl "
|
|
dnl comment-end: ""
|
|
dnl comment-start-skip: "\\bdnl\\b\\s *"
|
|
dnl End:
|