475 lines
13 KiB
Plaintext
475 lines
13 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
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AC_CONFIG_SRCDIR(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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AM_ENABLE_MULTILIB(, ..)
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AC_CANONICAL_HOST
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AC_CANONICAL_TARGET
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# Get the 'noncanonical' system names.
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ACX_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, 6.3, no-define)
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# The autoconf 2.5x version of the no-executables hack.
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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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AM_PROG_CC_C_O
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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="${gc_cflags} -Iinclude -I"'$(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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AC_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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AM_CPPFLAGS="-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 | posix95 | pthreads)
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THREADS=posix
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THREADLIBS=-lpthread
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case "$host" in
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x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha-*-linux*)
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AC_DEFINE(GC_LINUX_THREADS,1,[support for Xavier Leroy's Linux threads])
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AC_DEFINE(_REENTRANT,1,[Use reentrant code])
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK,1,[allow the marker to run in multiple threads])
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fi
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AC_DEFINE(THREAD_LOCAL_ALLOC,1,[define GC_local_malloc() & GC_local_malloc_atomic()])
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;;
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*-*-linux*)
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AC_DEFINE(GC_LINUX_THREADS,1)
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AC_DEFINE(_REENTRANT,1)
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;;
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*-*-aix*)
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AC_DEFINE(GC_AIX_THREADS,1,[support AIX threads])
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AC_DEFINE(_REENTRANT,1)
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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,1,[enables support for HP/UX 11 pthreads])
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AC_DEFINE(_POSIX_C_SOURCE,199506L,[POSIX version of C Source])
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK,1)
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fi
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AC_DEFINE(THREAD_LOCAL_ALLOC,1)
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THREADLIBS="-lpthread -lrt"
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;;
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*-*-freebsd*)
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AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
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AC_DEFINE(GC_FREEBSD_THREADS,1,[support FreeBSD threads])
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AM_CPPFLAGS="$AM_CPPFLAGS -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,1,[support for Solaris (thr_) threads])
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AC_DEFINE(GC_SOLARIS_PTHREADS,1,[support for Solaris pthreads])
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;;
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*-*-irix*)
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AC_DEFINE(GC_IRIX_THREADS,1,[support for Irix pthreads])
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;;
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*-*-cygwin*)
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AC_DEFINE(GC_WIN32_THREADS,1,[support for win32 threads])
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;;
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*-*-darwin*)
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AC_DEFINE(GC_DARWIN_THREADS,1,[support for Mac OS X pthreads])
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AC_DEFINE(THREAD_LOCAL_ALLOC,1)
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK,1)
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fi
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;;
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*-*-osf*)
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AC_DEFINE(GC_OSF1_THREADS,1,[support for Tru64 pthreads])
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK,1)
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AC_DEFINE(THREAD_LOCAL_ALLOC,1)
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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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AM_CPPFLAGS="$AM_CPPFLAGS -pthread"
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THREADLIBS="-lpthread -lrt"
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;;
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esac
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;;
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win32)
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AC_DEFINE(GC_WIN32_THREADS,1)
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dnl Old wine getenv may not return NULL for missing entry.
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dnl Define EMPTY_GETENV_RESULTS here to work around the bug.
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;;
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dgux386)
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THREADS=dgux386
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AC_MSG_RESULT($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,1)
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fi
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AC_DEFINE(THREAD_LOCAL_ALLOC,1)
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AC_DEFINE(GC_DGUX386_THREADS,1,[support for DB/UX on I386 threads])
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AC_DEFINE(DGUX_THREADS,1,[No description])
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# Enable _POSIX4A_DRAFT10_SOURCE with flag -pthread
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AM_CPPFLAGS="-pthread $AM_CPPFLAGS"
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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,1)
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AC_DEFINE(_REENTRANT,1)
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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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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="$with_ecos"
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)
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addobjs=
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addlibs=
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addincludes=
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addtests=
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case "$TARGET_ECOS" in
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no)
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;;
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*)
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AC_DEFINE(ECOS,1,[Target is ECOS])
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AM_CPPFLAGS="${AM_CPPFLAGS} -I${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 "${enable_cplusplus}" = yes)
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AC_SUBST(CXX)
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AC_SUBST(AM_CPPFLAGS)
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# Configuration of shared libraries
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#
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AC_MSG_CHECKING(whether to build shared libraries)
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AC_ENABLE_SHARED
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case "$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,1,[PROC_VDB in Solaris 2.5 gives wrong values for dirty bits])
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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,[No description])
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AC_DEFINE(DATASTART_IS_ETEXT,1,[No description])
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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,1,[Avoid Solaris 5.3 dynamic library bug])
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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,1,[cause some or all of the heap to not have 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 $machdep"
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AC_SUBST(addobjs)
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AC_SUBST(addincludes)
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AC_SUBST(addlibs)
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AC_SUBST(addtests)
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#
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# Check for AViiON Machines running DGUX
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#
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AC_MSG_CHECKING(if host is AViiON running DGUX)
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ac_is_dgux=no
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AC_CHECK_HEADER(sys/dg_sys_info.h,
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[ac_is_dgux=yes;])
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AC_MSG_RESULT($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 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 Not needed anymore on Solaris.
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AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary)
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case "$host" in
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*aix*)
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if test "$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="$CFLAGS"
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AC_SUBST(MY_CFLAGS)
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dnl Include defines that have become de facto standard.
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dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
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AC_DEFINE(SILENT,1,[disables statistics printing])
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AC_DEFINE(NO_SIGNALS,1,[does not disable signals])
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AC_DEFINE(ALL_INTERIOR_POINTERS,1,[allows all pointers to the interior of objects to be recognized])
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dnl By default, make the library as general as possible.
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AC_DEFINE(JAVA_FINALIZATION,1,[make it somewhat safer to finalize objects out of order])
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AC_DEFINE(GC_GCJ_SUPPORT,1,[include support for gcj])
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AC_DEFINE(ATOMIC_UNCOLLECTABLE,1,[include code for GC_malloc_atomic_uncollectable])
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dnl This is something of a hack. When cross-compiling we turn off
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dnl some functionality. These is only correct when targetting an
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dnl embedded system. FIXME.
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if test -n "${with_cross_host}"; then
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AC_DEFINE(NO_SIGSET,1,[use empty GC_disable_signals and GC_enable_signals])
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AC_DEFINE(NO_DEBUGGING,1,[removes GC_dump])
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fi
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AC_ARG_ENABLE(gc-debug,
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[ --enable-gc-debug include full support for pointer backtracing etc.],
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[ if test "$enable_gc_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,1,[Add code to save back pointers])
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AC_DEFINE(DBG_HDRS_ALL,1,[Make sure that all objects have debug headers])
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case $host in
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ia64-*-linux* )
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AC_DEFINE(MAKE_BACK_GRAPH,1,[Enable GC_PRINT_BACK_HEIGHT environment variable])
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;;
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x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
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AC_DEFINE(MAKE_BACK_GRAPH,1)
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AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
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AC_DEFINE(SAVE_CALL_COUNT, 8, [number of call frames saved with objects allocated through the debugging interface])
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;;
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i[3456]86-*-dgux*)
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AC_DEFINE(MAKE_BACK_GRAPH,1)
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;;
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esac
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fi])
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if test -n "$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='$(libdir)'
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fi
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multi_os_directory=`$CC -print-multi-os-directory`
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case $multi_os_directory in
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.) ;; # Avoid trailing /.
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*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
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esac
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AC_SUBST(toolexecdir)
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AC_SUBST(toolexeclibdir)
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if test "${multilib}" = "yes"; then
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multilib_arg="--enable-multilib"
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else
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multilib_arg=
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fi
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AC_CONFIG_HEADERS([include/config.h include/gc_config.h])
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AC_CONFIG_FILES(Makefile include/Makefile)
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AC_OUTPUT
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