532 lines
14 KiB
Plaintext
532 lines
14 KiB
Plaintext
# Copyright (c) 1999, 2000, 2001, 2002, 2003 by Red Hat, Inc. All rights reserved.
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# Copyright 2004 Nathanael Nerode
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#
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# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
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# OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
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#
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# Permission is hereby granted to use or copy this program
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# for any purpose, provided the above notices are retained on all copies.
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# Permission to modify the code and to distribute modified code is granted,
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# provided the above notices are retained, and a notice that the code was
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# modified is included with the above copyright notice.
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#
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# Original author: Tom Tromey
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# Modified by Nathanael Nerode
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dnl Process this file with autoconf to produce configure.
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AC_PREREQ(2.59)
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AC_INIT(gcj_mlc.c)
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# This works around the fact that libtool configuration may change LD
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# for this particular configuration, but some shells, instead of
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# keeping the changes in LD private, export them just because LD is
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# exported.
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ORIGINAL_LD_FOR_MULTILIBS=$LD
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dnl Default to --enable-multilib
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AC_ARG_ENABLE(multilib,
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[ --enable-multilib build many library versions (default)],
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[case "${enableval}" in
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yes) multilib=yes ;;
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no) multilib=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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esac], [multilib=yes])dnl
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dnl We may get other options which we don't document:
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dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
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dnl I needed to add the -n test to allow configuration in src directory - HB
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if test "[$]{srcdir}" = "."; then
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if test "[$]{with_target_subdir}" != "." -a -n "[$]{with_target_subdir}"; then
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gc_basedir="[$]{srcdir}/[$]{with_multisrctop}../."
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else
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gc_basedir="[$]{srcdir}/[$]{with_multisrctop}."
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fi
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else
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gc_basedir="[$]{srcdir}/."
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fi
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AC_SUBST(gc_basedir)
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AC_CONFIG_AUX_DIR($gc_basedir/..)
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if :; then :; else
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# This overrides the previous occurrence for automake, but not for
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# autoconf, which is exactly what we want.
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AC_CONFIG_AUX_DIR(..)
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fi
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AC_CANONICAL_SYSTEM
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# Get the 'noncanonical' system names.
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sinclude(../config/acx.m4)
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_GCC_TOPLEV_NONCANONICAL_BUILD
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_GCC_TOPLEV_NONCANONICAL_HOST
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_GCC_TOPLEV_NONCANONICAL_TARGET
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# This works around an automake problem.
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mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
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AC_SUBST(mkinstalldirs)
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AM_INIT_AUTOMAKE(gc, 6.1a1, no-define)
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# The autoconf 2.5x version of the no-executables hack.
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sinclude(../config/no-executables.m4)
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GCC_NO_EXECUTABLES
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# Yak. We must force CC and CXX to /not/ be precious variables; otherwise
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# the wrong, non-multilib-adjusted value will be used in multilibs.
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# As a side effect, we have to subst CFLAGS and CXXFLAGS ourselves.
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m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
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m4_define([_AC_ARG_VAR_PRECIOUS],[])
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AC_PROG_CC
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AC_PROG_CXX
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m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
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AC_SUBST(CFLAGS)
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AC_SUBST(CXXFLAGS)
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# Newer automakes demand CCAS and CCASFLAGS.
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: ${CCAS='$(CC)'}
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: ${CCASFLAGS='$(CFLAGS)'}
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AC_SUBST(CCAS)
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AC_SUBST(CCASFLAGS)
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AC_CHECK_TOOL(AS, as)
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, :)
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AC_PROG_INSTALL
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AM_MAINTAINER_MODE
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. [$]{srcdir}/configure.host
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case [$]{gc_basedir} in
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/* | [A-Za-z]:[/\\]*) gc_flagbasedir=[$]{gc_basedir} ;;
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*) gc_flagbasedir='[$](top_builddir)/'[$]{gc_basedir} ;;
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esac
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gc_cflags="[$]{gc_cflags} -I"'[$](top_builddir)'"/./targ-include -I[$]{gc_flagbasedir}/libc/include"
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case "${host}" in
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*-*-cygwin32*)
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gc_cflags="[$]{gc_cflags} -I[$]{gc_flagbasedir}/../winsup/include"
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;;
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esac
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dnl gc_cflags="[$]{gc_cflags} -fno-builtin"
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GC_CFLAGS=${gc_cflags}
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AC_SUBST(GC_CFLAGS)
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AM_PROG_LIBTOOL
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dnl We use these options to decide which functions to include.
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AC_ARG_WITH(target-subdir,
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[ --with-target-subdir=SUBDIR
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configuring with a cross compiler])
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AC_ARG_WITH(cross-host,
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[ --with-cross-host=HOST configuring with a cross compiler])
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AC_MSG_CHECKING([for thread model used by GCC])
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THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
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if test -z "$THREADS"; then
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THREADS=no
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fi
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AC_MSG_RESULT([$THREADS])
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AC_ARG_ENABLE(parallel-mark,
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[ --enable-parallel-mark parallelize marking and free list construction],
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[case "$THREADS" in
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no | none | single)
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AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
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;;
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esac]
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)
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INCLUDES="-I`cd $srcdir && ${PWDCMD-pwd}`/include"
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THREADLIBS=
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case "$THREADS" in
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no | none | single)
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THREADS=none
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;;
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posix | pthreads)
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THREADS=posix
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THREADLIBS=-lpthread
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case "$host" in
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x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha-*-linux*)
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AC_DEFINE(GC_LINUX_THREADS)
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AC_DEFINE(_REENTRANT)
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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;;
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*-*-linux*)
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AC_DEFINE(GC_LINUX_THREADS)
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AC_DEFINE(_REENTRANT)
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;;
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*-*-aix*)
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AC_DEFINE(GC_AIX_THREADS)
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AC_DEFINE(_REENTRANT)
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;;
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*-*-hpux*)
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AC_MSG_WARN("Only HP/UX 11 threads are supported.")
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AC_DEFINE(GC_HPUX_THREADS)
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AC_DEFINE(_POSIX_C_SOURCE,199506L)
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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THREADLIBS="-lpthread -lrt"
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;;
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*-*-freebsd*)
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AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
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AC_DEFINE(GC_FREEBSD_THREADS)
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INCLUDES="$INCLUDES -pthread"
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THREADLIBS=-pthread
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;;
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*-*-solaris*)
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AC_DEFINE(GC_SOLARIS_THREADS)
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AC_DEFINE(GC_SOLARIS_PTHREADS)
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;;
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*-*-irix*)
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AC_DEFINE(GC_IRIX_THREADS)
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;;
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*-*-cygwin*)
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AC_DEFINE(GC_WIN32_THREADS)
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;;
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*-*-darwin*)
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AC_DEFINE(GC_DARWIN_THREADS)
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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;;
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*-*-osf*)
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AC_DEFINE(GC_OSF1_THREADS)
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK)
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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# May want to enable it in other cases, too.
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# Measurements havent yet been done.
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fi
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INCLUDES="$INCLUDES -pthread"
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THREADLIBS="-lpthread -lrt"
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;;
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esac
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;;
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win32)
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AC_DEFINE(GC_WIN32_THREADS)
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dnl Old wine getenv may not return NULL for missing entry.
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dnl Define EMPTY_GETENV_RESULTS here to work around the bug.
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;;
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dgux386)
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THREADS=dgux386
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AC_MSG_RESULT($THREADLIBS)
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# Use pthread GCC switch
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THREADLIBS=-pthread
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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AC_DEFINE(GC_DGUX386_THREADS)
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AC_DEFINE(DGUX_THREADS)
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# Enable _POSIX4A_DRAFT10_SOURCE with flag -pthread
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INCLUDES="-pthread $INCLUDES"
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;;
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aix)
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THREADS=posix
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THREADLIBS=-lpthread
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AC_DEFINE(GC_AIX_THREADS)
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AC_DEFINE(_REENTRANT)
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;;
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decosf1 | irix | mach | os2 | solaris | dce | vxworks)
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AC_MSG_ERROR(thread package $THREADS not yet supported)
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;;
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*)
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AC_MSG_ERROR($THREADS is an unknown thread package)
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;;
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esac
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AC_SUBST(THREADLIBS)
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case "$host" in
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powerpc-*-darwin*)
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powerpc_darwin=true
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;;
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esac
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AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
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# We never want libdl on darwin. It is a fake libdl that just ends up making
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# dyld calls anyway
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case "$host" in
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*-*-darwin*) ;;
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*)
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AC_CHECK_LIB(dl, dlopen, EXTRA_TEST_LIBS="$EXTRA_TEST_LIBS -ldl")
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;;
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esac
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AC_SUBST(EXTRA_TEST_LIBS)
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target_all=libgcjgc.la
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AC_SUBST(target_all)
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AC_SUBST(target_noncanonical)
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dnl If the target is an eCos system, use the appropriate eCos
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dnl I/O routines.
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dnl FIXME: this should not be a local option but a global target
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dnl system; at present there is no eCos target.
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TARGET_ECOS="no"
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AC_ARG_WITH(ecos,
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[ --with-ecos enable runtime eCos target support],
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TARGET_ECOS="$with_ecos"
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)
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addobjs=
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addlibs=
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addincludes=
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addtests=
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CXXINCLUDES=
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case "$TARGET_ECOS" in
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no)
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;;
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*)
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AC_DEFINE(ECOS)
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CXXINCLUDES="-I${TARGET_ECOS}/include"
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addobjs="$addobjs ecos.lo"
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;;
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esac
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if test "${enable_cplusplus}" = yes; then
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addincludes="$addincludes include/gc_cpp.h include/gc_allocator.h"
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addtests="$addtests test_cpp"
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fi
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AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
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AC_SUBST(CXX)
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AC_SUBST(INCLUDES)
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AC_SUBST(CXXINCLUDES)
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# Configuration of shared libraries
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#
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AC_MSG_CHECKING(whether to build shared libraries)
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AC_ENABLE_SHARED
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case "$host" in
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alpha-*-openbsd*)
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enable_shared=no
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AC_MSG_RESULT(no)
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;;
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*)
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AC_MSG_RESULT(yes)
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;;
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esac
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# Configuration of machine-dependent code
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#
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# We don't set NO_EXECUTE_PERMISSION by default because gcj (and
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# anything else that creates trampolines in gc-allocated memory)
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# always needs exec permission. The exceptions to this are IA-64 and
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# some variations of Power PC, where trampolines don't contain
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# executable code.
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#
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AC_MSG_CHECKING(which machine-dependent code should be used)
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machdep=
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case "$host" in
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alpha*-*-openbsd*)
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machdep="alpha_mach_dep.lo"
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if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
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AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
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fi
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;;
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alpha*-*-linux*)
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machdep="alpha_mach_dep.lo"
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;;
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i?86-*-solaris2.[[89]] | i?86-*-solaris2.1?)
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AC_DEFINE(SOLARIS25_PROC_VDB_BUG_FIXED)
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;;
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mipstx39-*-elf*)
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machdep="mips_ultrix_mach_dep.lo"
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AC_DEFINE(STACKBASE, __stackbase)
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AC_DEFINE(DATASTART_IS_ETEXT)
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;;
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mips-dec-ultrix*)
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machdep="mips_ultrix_mach-dep.lo"
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;;
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mips-nec-sysv*|mips-unknown-sysv*)
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;;
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mips*-*-linux*)
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;;
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mips-*-*)
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machdep="mips_sgi_mach_dep.lo"
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;;
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sparc-*-netbsd*)
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machdep="sparc_netbsd_mach_dep.lo"
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;;
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sparc-sun-solaris2.3)
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machdep="sparc_mach_dep.lo"
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AC_DEFINE(SUNOS53_SHARED_LIB)
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;;
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sparc-sun-solaris2.*)
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machdep="sparc_mach_dep.lo"
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;;
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ia64-*-*)
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AC_DEFINE(NO_EXECUTE_PERMISSION)
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machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
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;;
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esac
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if test x"$machdep" = x; then
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AC_MSG_RESULT($machdep)
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machdep="mach_dep.lo"
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fi
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addobjs="$addobjs $machdep"
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AC_SUBST(addobjs)
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AC_SUBST(addincludes)
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AC_SUBST(addlibs)
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AC_SUBST(addtests)
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AC_PROG_LIBTOOL
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#
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# Check for AViiON Machines running DGUX
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#
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AC_MSG_CHECKING(if host is AViiON running DGUX)
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ac_is_dgux=no
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AC_CHECK_HEADER(sys/dg_sys_info.h,
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[ac_is_dgux=yes;])
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AC_MSG_RESULT($ac_is_dgux)
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## :GOTCHA: we do not check anything but sys/dg_sys_info.h
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if test $ac_is_dgux = yes; then
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if test "$enable_full_debug" = "yes"; then
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CFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
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CXXFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
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else
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CFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
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CXXFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
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fi
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AC_SUBST(CFLAGS)
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AC_SUBST(CXXFLAGS)
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fi
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dnl We use these options to decide which functions to include.
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AC_ARG_WITH(target-subdir,
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[ --with-target-subdir=SUBDIR
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configuring with a cross compiler])
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AC_ARG_WITH(cross-host,
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[ --with-cross-host=HOST configuring with a cross compiler])
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dnl As of 4.13a2, the collector will not properly work on Solaris when
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dnl built with gcc and -O. So we remove -O in the appropriate case.
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dnl
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AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary)
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case "$host" in
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sparc-sun-solaris2*|*aix*)
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if test "$GCC" = yes; then
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AC_MSG_RESULT(yes)
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new_CFLAGS=
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for i in $CFLAGS; do
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case "$i" in
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-O*)
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;;
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*)
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new_CFLAGS="$new_CFLAGS $i"
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;;
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esac
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done
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CFLAGS="$new_CFLAGS"
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else
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AC_MSG_RESULT(no)
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fi
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;;
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*) AC_MSG_RESULT(no) ;;
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esac
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dnl We need to override the top-level CFLAGS. This is how we do it.
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MY_CFLAGS="$CFLAGS"
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AC_SUBST(MY_CFLAGS)
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dnl Include defines that have become de facto standard.
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dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
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AC_DEFINE(SILENT)
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AC_DEFINE(NO_SIGNALS)
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AC_DEFINE(ALL_INTERIOR_POINTERS)
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dnl By default, make the library as general as possible.
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AC_DEFINE(JAVA_FINALIZATION)
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AC_DEFINE(GC_GCJ_SUPPORT)
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AC_DEFINE(ATOMIC_UNCOLLECTABLE)
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dnl This is something of a hack. When cross-compiling we turn off
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dnl some functionality. These is only correct when targetting an
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dnl embedded system. FIXME.
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if test -n "${with_cross_host}"; then
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AC_DEFINE(NO_SIGSET)
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AC_DEFINE(NO_DEBUGGING)
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fi
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AC_ARG_ENABLE(full-debug,
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[ --enable-full-debug include full support for pointer backtracing etc.],
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[ if test "$enable_full_debug" = "yes"; then
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AC_MSG_WARN("Must define GC_DEBUG and use debug alloc. in clients.")
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AC_DEFINE(KEEP_BACK_PTRS)
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AC_DEFINE(DBG_HDRS_ALL)
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case $host in
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ia64-*-linux* )
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AC_DEFINE(MAKE_BACK_GRAPH)
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;;
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x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
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AC_DEFINE(MAKE_BACK_GRAPH)
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AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
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AC_DEFINE(SAVE_CALL_COUNT, 8)
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;;
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i[3456]86-*-dgux*)
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AC_DEFINE(MAKE_BACK_GRAPH)
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;;
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esac ]
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fi)
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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toolexecdir='$(exec_prefix)/$(target_noncanonical)'
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toolexeclibdir='$(toolexecdir)/lib'
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else
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toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
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|
toolexeclibdir='$(libdir)'
|
|
fi
|
|
multi_os_directory=`$CC -print-multi-os-directory`
|
|
case $multi_os_directory in
|
|
.) ;; # Avoid trailing /.
|
|
*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
|
|
esac
|
|
AC_SUBST(toolexecdir)
|
|
AC_SUBST(toolexeclibdir)
|
|
|
|
if test "${multilib}" = "yes"; then
|
|
multilib_arg="--enable-multilib"
|
|
else
|
|
multilib_arg=
|
|
fi
|
|
|
|
AC_OUTPUT(Makefile include/Makefile, [
|
|
dnl Put all the -I and -D options in a file.
|
|
echo "$INCLUDES $DEFS" > boehm-cflags
|
|
|
|
if test -n "$CONFIG_FILES"; then
|
|
LD="${ORIGINAL_LD_FOR_MULTILIBS}"
|
|
ac_file=Makefile . ${gc_basedir}/../config-ml.in
|
|
fi],
|
|
srcdir=${srcdir}
|
|
host=${host}
|
|
target=${target}
|
|
with_multisubdir=${with_multisubdir}
|
|
ac_configure_args="${multilib_arg} ${ac_configure_args}"
|
|
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
|
gc_basedir=${gc_basedir}
|
|
CC="${CC}"
|
|
ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
|
|
DEFS="$DEFS"
|
|
INCLUDES="$INCLUDES"
|
|
)
|