| # 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 |