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gcc/boehm-gc/configure.ac

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# Copyright (c) 1999, 2000, 2001, 2002, 2003, 2006, 2010, 2011 by Red Hat, Inc.
# All rights reserved.
# Copyright 2004 Nathanael Nerode
#
# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
# OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
#
# Permission is hereby granted to use or copy this program
# for any purpose, provided the above notices are retained on all copies.
# Permission to modify the code and to distribute modified code is granted,
# provided the above notices are retained, and a notice that the code was
# modified is included with the above copyright notice.
#
# Original author: Tom Tromey
# Modified by Nathanael Nerode
dnl Process this file with autoconf to produce configure.
AC_PREREQ(2.64)
AC_INIT
AC_CONFIG_SRCDIR(gcj_mlc.c)
# This works around the fact that libtool configuration may change LD
# for this particular configuration, but some shells, instead of
# keeping the changes in LD private, export them just because LD is
# exported.
ORIGINAL_LD_FOR_MULTILIBS=$LD
AM_ENABLE_MULTILIB(, ..)
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
# Get the 'noncanonical' system names.
ACX_NONCANONICAL_TARGET
# This works around an automake problem.
mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
AC_SUBST(mkinstalldirs)
AM_INIT_AUTOMAKE(gc, 6.6, no-define)
# The autoconf 2.5x version of the no-executables hack.
GCC_NO_EXECUTABLES
# Yak. We must force CC and CXX 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 and CXXFLAGS ourselves.
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
AC_PROG_CC
AC_PROG_CXX
m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
AM_PROG_CC_C_O
AC_SUBST(CFLAGS)
AC_SUBST(CXXFLAGS)
# Newer automakes demand CCAS and CCASFLAGS.
: ${CCAS='$(CC)'}
: ${CCASFLAGS='$(CFLAGS)'}
AC_SUBST(CCAS)
AC_SUBST(CCASFLAGS)
AC_CHECK_TOOL(AS, as)
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_PROG_INSTALL
AM_MAINTAINER_MODE
. ${srcdir}/configure.host
case ${gc_basedir} in
/* | [A-Za-z]:[/\\]*) gc_flagbasedir=${gc_basedir} ;;
*) gc_flagbasedir='$(top_builddir)/'${gc_basedir} ;;
esac
gc_cflags="${gc_cflags} -Iinclude -I"'$(top_builddir)'"/./targ-include -I${gc_flagbasedir}/libc/include"
case "${host}" in
*-*-cygwin32*)
gc_cflags="${gc_cflags} -I${gc_flagbasedir}/../winsup/include"
;;
esac
dnl Add for mingw targets GC_BUILD option
case "${host}" in
*-*-mingw*)
gc_cflags="${gc_cflags} -DGC_BUILD=1"
;;
esac
dnl gc_cflags="${gc_cflags} -fno-builtin"
GC_CFLAGS=${gc_cflags}
AC_SUBST(GC_CFLAGS)
AC_PROG_LIBTOOL
dnl We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
[ --with-target-subdir=SUBDIR
configuring with a cross compiler])
AC_ARG_WITH(cross-host,
[ --with-cross-host=HOST configuring with a cross compiler])
AC_MSG_CHECKING([for thread model used by GCC])
THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
if test -z "$THREADS"; then
THREADS=no
fi
AC_MSG_RESULT([$THREADS])
AC_ARG_ENABLE(parallel-mark,
[ --enable-parallel-mark parallelize marking and free list construction],
[case "$THREADS" in
no | none | single)
AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
;;
esac]
)
AM_CPPFLAGS="-I`cd $srcdir && ${PWDCMD-pwd}`/include"
THREADCFLAGS=
THREADLIBS=
case "$THREADS" in
no | none | single)
THREADS=none
;;
posix | pthreads)
THREADS=posix
THREADLIBS=-lpthread
case "$host" in
x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha-*-linux*)
AC_DEFINE(GC_LINUX_THREADS,1,[support for Xavier Leroy's Linux threads])
AC_DEFINE(_REENTRANT,1,[Use reentrant code])
if test "${enable_parallel_mark}" = yes; then
AC_DEFINE(PARALLEL_MARK,1,[allow the marker to run in multiple threads])
fi
AC_DEFINE(THREAD_LOCAL_ALLOC,1,[define GC_local_malloc() & GC_local_malloc_atomic()])
;;
*-*-linux*)
AC_DEFINE(GC_LINUX_THREADS,1)
AC_DEFINE(_REENTRANT,1)
;;
*-*-aix*)
AC_DEFINE(GC_AIX_THREADS,1,[support AIX threads])
AC_DEFINE(_REENTRANT,1)
;;
*-*-hpux11*)
AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
AC_DEFINE(GC_HPUX_THREADS,1,[enables support for HP/UX 11 pthreads])
AC_DEFINE(_POSIX_C_SOURCE,199506L,[POSIX version of C Source])
if test "${enable_parallel_mark}" = yes; then
AC_DEFINE(PARALLEL_MARK,1)
fi
AC_DEFINE(THREAD_LOCAL_ALLOC,1)
THREADLIBS="-lpthread -lrt"
# HPUX needs REENTRANT for the _r calls.
AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
;;
*-*-hpux10*)
AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
;;
*-*-kfreebsd*-gnu)
AC_DEFINE(GC_FREEBSD_THREADS)
THREADCFLAGS=-pthread
THREADLIBS=-pthread
AC_DEFINE(_REENTRANT)
if test "${enable_parallel_mark}" = yes; then
AC_DEFINE(PARALLEL_MARK)
fi
AC_DEFINE(THREAD_LOCAL_ALLOC)
AC_DEFINE(USE_COMPILER_TLS, 1,[use tls for boehm])
;;
*-*-gnu*)
AC_DEFINE(GC_GNU_THREADS,1,[support GNU threads])
AC_DEFINE(_REENTRANT)
AC_DEFINE(THREAD_LOCAL_ALLOC)
;;
*-*-freebsd*)
AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
AC_DEFINE(GC_FREEBSD_THREADS,1,[support FreeBSD threads])
THREADCFLAGS=-pthread
THREADLIBS=-pthread
;;
*-*-solaris2.8*)
AC_DEFINE(GC_SOLARIS_PTHREADS,1,[support for Solaris pthreads])
# Need to use alternate thread library, otherwise gctest hangs
# on Solaris 8.
multi_os_directory=`$CC -print-multi-os-directory`
THREADLIBS="-L/usr/lib/lwp/$multi_os_directory \
-R/usr/lib/lwp/$multi_os_directory -lpthread -lthread -lrt"
;;
*-*-solaris2*)
AC_DEFINE(GC_SOLARIS_PTHREADS,1,[support for Solaris pthreads])
# The alternate thread library was only introduced in Solaris 8 and
# became the default in Solaris 9, so no need for the special code
# above otherwise.
# nanosleep, sched_yield, and sem_* only live in librt before
# Solaris 11.
THREADLIBS="-lpthread -lrt"
;;
*-*-irix*)
AC_DEFINE(GC_IRIX_THREADS,1,[support for Irix pthreads])
;;
*-*-cygwin*)
AC_DEFINE(GC_WIN32_THREADS,1,[support for win32 threads])
;;
*-*-darwin*)
AC_DEFINE(GC_DARWIN_THREADS,1,[support for Mac OS X pthreads])
AC_DEFINE(THREAD_LOCAL_ALLOC,1)
if test "${enable_parallel_mark}" = yes; then
AC_DEFINE(PARALLEL_MARK,1)
fi
;;
*-*-osf*)
AC_DEFINE(GC_OSF1_THREADS,1,[support for Tru64 pthreads])
if test "${enable_parallel_mark}" = yes; then
AC_DEFINE(PARALLEL_MARK,1)
AC_DEFINE(THREAD_LOCAL_ALLOC,1)
# May want to enable it in other cases, too.
# Measurements havent yet been done.
fi
THREADCFLAGS=-pthread
THREADLIBS="-lpthread -lrt"
;;
esac
;;
win32)
AC_DEFINE(GC_WIN32_THREADS,1)
dnl Old wine getenv may not return NULL for missing entry.
dnl Define EMPTY_GETENV_RESULTS here to work around the bug.
;;
aix)
THREADS=posix
THREADLIBS=-lpthread
AC_DEFINE(GC_AIX_THREADS,1)
AC_DEFINE(_REENTRANT,1)
;;
dce | vxworks)
AC_MSG_ERROR(thread package $THREADS not yet supported)
;;
*)
AC_MSG_ERROR($THREADS is an unknown thread package)
;;
esac
AC_SUBST(THREADCFLAGS)
AC_SUBST(THREADLIBS)
case "$host" in
powerpc-*-darwin*)
powerpc_darwin=true
;;
esac
AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
# Darwin needs a few extra special tests to deal with variation in the
# system headers.
case "$host" in
powerpc*-*-darwin*)
AC_CHECK_MEMBER(ppc_thread_state_t.r0,
AC_DEFINE(HAS_PPC_THREAD_STATE_R0,1,
[ppc_thread_state_t has field r0]),,
[#include <mach/thread_status.h>])
AC_CHECK_MEMBER(ppc_thread_state_t.__r0,
AC_DEFINE(HAS_PPC_THREAD_STATE___R0,1,dnl
[ppc_thread_state_t has field __r0]),,
[#include <mach/thread_status.h>])
AC_CHECK_MEMBER(ppc_thread_state64_t.r0,
AC_DEFINE(HAS_PPC_THREAD_STATE64_R0,1,dnl
[ppc_thread_state64_t has field r0]),,
[#include <mach/thread_status.h>])
AC_CHECK_MEMBER(ppc_thread_state64_t.__r0,
AC_DEFINE(HAS_PPC_THREAD_STATE64___R0,1,dnl
[ppc_thread_state64_t has field __r0]),,
[#include <mach/thread_status.h>])
;;
i?86*-*-darwin*)
AC_CHECK_MEMBER(x86_thread_state32_t.eax,
AC_DEFINE(HAS_X86_THREAD_STATE32_EAX,1,dnl
[x86_thread_state32_t has field eax]),,
[#include <sys/cdefs.h>
#include <mach/thread_status.h>])
AC_CHECK_MEMBER(x86_thread_state32_t.__eax,
AC_DEFINE(HAS_X86_THREAD_STATE32___EAX,1,dnl
[x86_thread_state32_t has field __eax]),,
[#include <sys/cdefs.h>
#include <mach/thread_status.h>])
;;
x86_64-*-darwin*)
AC_CHECK_MEMBER(x86_thread_state64_t.rax,
AC_DEFINE(HAS_X86_THREAD_STATE64_RAX,1,dnl
[x86_thread_state64_t has field rax]),,
[#include <sys/cdefs.h>
#include <mach/thread_status.h>])
AC_CHECK_MEMBER(x86_thread_state64_t.__rax,
AC_DEFINE(HAS_X86_THREAD_STATE64___RAX,1,dnl
[x86_thread_state64_t has field __rax]),,
[#include <sys/cdefs.h>
#include <mach/thread_status.h>])
;;
*) ;;
esac
case "$host" in
# While IRIX 6 has libdl for the O32 and N32 ABIs, it's missing for N64
# and unnecessary everywhere.
mips-sgi-irix6*) ;;
# We never want libdl on darwin. It is a fake libdl that just ends up making
# dyld calls anyway
*-*-darwin*) ;;
*)
AC_CHECK_LIB(dl, dlopen, EXTRA_TEST_LIBS="$EXTRA_TEST_LIBS -ldl")
;;
esac
# extra LD Flags which are required for targets
case "${host}" in
*-*-darwin*)
extra_ldflags_libgc=-Wl,-single_module
;;
esac
AC_SUBST(extra_ldflags_libgc)
AC_SUBST(EXTRA_TEST_LIBS)
target_all=libgcjgc.la
AC_SUBST(target_all)
dnl If the target is an eCos system, use the appropriate eCos
dnl I/O routines.
dnl FIXME: this should not be a local option but a global target
dnl system; at present there is no eCos target.
TARGET_ECOS="no"
AC_ARG_WITH(ecos,
[ --with-ecos enable runtime eCos target support],
TARGET_ECOS="$with_ecos"
)
addobjs=
addlibs=
addincludes=
addtests=
case "$TARGET_ECOS" in
no)
;;
*)
AC_DEFINE(ECOS,1,[Target is ECOS])
AM_CPPFLAGS="${AM_CPPFLAGS} -I${TARGET_ECOS}/include"
addobjs="$addobjs ecos.lo"
;;
esac
if test "${enable_cplusplus}" = yes; then
addincludes="$addincludes include/gc_cpp.h include/gc_allocator.h"
addtests="$addtests test_cpp"
fi
AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
AC_SUBST(CXX)
AC_SUBST(AM_CPPFLAGS)
# Configuration of shared libraries
#
AC_MSG_CHECKING(whether to build shared libraries)
AC_ENABLE_SHARED
case "$host" in
alpha-*-openbsd*)
enable_shared=no
AC_MSG_RESULT(no)
;;
*)
AC_MSG_RESULT(yes)
;;
esac
# Checks for pthreads functions
#
oldLIBS="$LIBS"
LIBS="$LIBS $THREADLIBS"
AC_CHECK_FUNCS([pthread_getattr_np])
AC_CHECK_FUNCS([pthread_get_stackaddr_np])
LIBS="$oldLIBS"
# Configuration of machine-dependent code
#
# Set NO_EXECUTE_PERMISSION by default because gcj already uses
# ffi_closure_{alloc,free} which takes care of allocating trampolines
# in executable memory.
#
AC_MSG_CHECKING(which machine-dependent code should be used)
machdep=
case "$host" in
alpha*-*-openbsd*)
machdep="alpha_mach_dep.lo"
if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
fi
;;
alpha*-*-linux*)
machdep="alpha_mach_dep.lo"
;;
i?86-*-solaris2.[[89]] | i?86-*-solaris2.1? | x86_64-*-solaris2.1?)
AC_DEFINE(SOLARIS25_PROC_VDB_BUG_FIXED,1,[PROC_VDB in Solaris 2.5 gives wrong values for dirty bits])
;;
mipstx39-*-elf*)
machdep="mips_ultrix_mach_dep.lo"
AC_DEFINE(STACKBASE, __stackbase,[No description])
AC_DEFINE(DATASTART_IS_ETEXT,1,[No description])
;;
mips-dec-ultrix*)
machdep="mips_ultrix_mach-dep.lo"
;;
mips-nec-sysv*|mips-unknown-sysv*)
;;
mips*-*-linux*)
;;
mips-*-*)
machdep="mips_sgi_mach_dep.lo"
;;
sparc-*-netbsd*)
machdep="sparc_netbsd_mach_dep.lo"
;;
sparc-sun-solaris2.3)
machdep="sparc_mach_dep.lo"
AC_DEFINE(SUNOS53_SHARED_LIB,1,[Avoid Solaris 5.3 dynamic library bug])
;;
sparc*-sun-solaris2.*)
machdep="sparc_mach_dep.lo"
;;
ia64-*-*)
machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
;;
esac
AC_DEFINE(NO_EXECUTE_PERMISSION,1,[cause some or all of the heap to not have execute permission])
if test x"$machdep" = x; then
AC_MSG_RESULT($machdep)
machdep="mach_dep.lo"
fi
addobjs="$addobjs $machdep"
AC_SUBST(addobjs)
AC_SUBST(addincludes)
AC_SUBST(addlibs)
AC_SUBST(addtests)
dnl As of 4.13a2, the collector will not properly work on Solaris when
dnl built with gcc and -O. So we remove -O in the appropriate case.
dnl Not needed anymore on Solaris.
AC_MSG_CHECKING([whether GCC optimization should be disabled])
O0_CFLAGS=
case "$host" in
*aix*) test "$GCC" = yes && O0_CFLAGS=-O0 ;;
*) ;;
esac
if test x"$O0_CFLAGS" != x; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_SUBST([O0_CFLAGS])
dnl Include defines that have become de facto standard.
dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
AC_DEFINE(SILENT,1,[disables statistics printing])
AC_DEFINE(NO_SIGNALS,1,[does not disable signals])
AC_DEFINE(ALL_INTERIOR_POINTERS,1,[allows all pointers to the interior of objects to be recognized])
dnl By default, make the library as general as possible.
AC_DEFINE(JAVA_FINALIZATION,1,[make it somewhat safer to finalize objects out of order])
AC_DEFINE(GC_GCJ_SUPPORT,1,[include support for gcj])
AC_DEFINE(ATOMIC_UNCOLLECTABLE,1,[include code for GC_malloc_atomic_uncollectable])
AC_ARG_ENABLE(gc-debug,
[ --enable-gc-debug include full support for pointer backtracing etc.],
[ if test "$enable_gc_debug" = "yes"; then
AC_MSG_WARN("Must define GC_DEBUG and use debug alloc. in clients.")
AC_DEFINE(KEEP_BACK_PTRS,1,[Add code to save back pointers])
AC_DEFINE(DBG_HDRS_ALL,1,[Make sure that all objects have debug headers])
case $host in
ia64-*-linux* )
AC_DEFINE(MAKE_BACK_GRAPH,1,[Enable GC_PRINT_BACK_HEIGHT environment variable])
;;
x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
AC_DEFINE(MAKE_BACK_GRAPH,1)
AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
AC_DEFINE(SAVE_CALL_COUNT, 8, [number of call frames saved with objects allocated through the debugging interface])
;;
esac
fi])
if test "${gc_use_mmap}" = "yes"; then
AC_DEFINE(USE_MMAP, 1, [use MMAP instead of sbrk to get new memory])
fi
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
toolexecdir='$(exec_prefix)/$(target_noncanonical)'
toolexeclibdir='$(toolexecdir)/lib'
else
toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
toolexeclibdir='$(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_CONFIG_HEADERS([include/gc_config.h include/gc_ext_config.h])
AC_CONFIG_FILES(Makefile include/Makefile testsuite/Makefile threads.mk)
AC_OUTPUT
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