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# Copyright (c) 1999-2001 by Red Hat, Inc. All rights reserved.
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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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# 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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# Original author: Tom Tromey
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# Modified by: Grzegorz Jakacki <jakacki at acm dot org>
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dnl Process this file with autoconf to produce configure.
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AC_INIT(gc,6.8,Hans.Boehm@hp.com)
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## version must conform to [0-9]+[.][0-9]+(alpha[0-9]+)?
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AC_CONFIG_SRCDIR(gcj_mlc.c)
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AC_REVISION($Revision: 1.2 $)
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AC_CHECK_TOOL(RANLIB, ranlib, :) # :)
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. [$]{srcdir}/configure.host
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GC_CFLAGS=${gc_cflags}
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AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
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[ AC_MSG_CHECKING([for thread model used by GCC])
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THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
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if test -z "$THREADS"; then
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AC_MSG_RESULT([$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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AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
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AC_ARG_ENABLE(cplusplus,
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[ --enable-cplusplus install C++ support],
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INCLUDES=-I${srcdir}/include
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## Libraries needed to support dynamic loading and/or threads.
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THREADDLLIBS=-lpthread
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AC_DEFINE(GC_LINUX_THREADS)
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if test "${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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AC_DEFINE(GC_AIX_THREADS)
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AC_MSG_WARN("Only HP-UX 11 POSIX 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 "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK)
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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THREADDLLIBS="-lpthread -lrt"
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# HPUX needs REENTRANT for the _r calls.
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AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
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AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
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AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
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AC_DEFINE(GC_FREEBSD_THREADS)
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INCLUDES="$INCLUDES -pthread"
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THREADDLLIBS=-pthread
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AC_DEFINE(GC_FREEBSD_THREADS)
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INCLUDES="$INCLUDES -pthread"
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THREADDLLIBS=-pthread
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AC_DEFINE(_REENTRANT)
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK)
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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AC_DEFINE(USE_COMPILER_TLS)
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AC_MSG_WARN("Only on NetBSD 2.0 or later.")
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AC_DEFINE(GC_NETBSD_THREADS)
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AC_DEFINE(_REENTRANT)
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THREADDLLIBS="-lpthread -lrt"
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AC_DEFINE(GC_SOLARIS_THREADS)
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AC_DEFINE(GC_SOLARIS_PTHREADS)
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AC_DEFINE(GC_IRIX_THREADS)
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AC_DEFINE(GC_WIN32_THREADS)
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AC_DEFINE(GC_DARWIN_THREADS)
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK)
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AC_DEFINE(GC_OSF1_THREADS)
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if test "${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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INCLUDES="$INCLUDES -pthread"
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THREADDLLIBS="-lpthread -lrt"
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AC_MSG_ERROR("Pthreads not supported by the GC on this platform.")
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AC_DEFINE(GC_WIN32_THREADS)
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dnl Wine getenv may not return NULL for missing entry
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AC_MSG_RESULT($THREADDLLIBS)
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# Use pthread GCC switch
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THREADDLLIBS=-pthread
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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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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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THREADDLLIBS=-lpthread
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AC_DEFINE(GC_AIX_THREADS)
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AC_DEFINE(_REENTRANT)
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decosf1 | irix | mach | os2 | solaris | dce | vxworks)
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AC_MSG_ERROR(thread package $THREADS not yet supported)
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AC_MSG_ERROR($THREADS is an unknown thread package)
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AC_SUBST(THREADDLLIBS)
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AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
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AC_MSG_CHECKING(for xlc)
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], [compiler_xlc=yes], [compiler_xlc=no])
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AC_MSG_RESULT($compiler_xlc)
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AM_CONDITIONAL(COMPILER_XLC,test $compiler_xlc = yes)
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if test $compiler_xlc = yes -a "$powerpc_darwin" = true; then
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# the darwin stack-frame-walking code is completely broken on xlc
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AC_DEFINE(DARWIN_DONT_PARSE_STACK)
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# We never want libdl on darwin. It is a fake libdl that just ends up making
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AC_CHECK_LIB(dl, dlopen, THREADDLLIBS="$THREADDLLIBS -ldl")
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AC_SUBST(EXTRA_TEST_LIBS)
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dnl If the target is an eCos system, use the appropriate eCos
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dnl FIXME: this should not be a local option but a global target
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dnl system; at present there is no eCos target.
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[ --with-ecos enable runtime eCos target support],
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TARGET_ECOS="$with_ecos"
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case "$TARGET_ECOS" in
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CXXINCLUDES="-I${TARGET_ECOS}/include"
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addobjs="$addobjs ecos.lo"
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if test "${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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AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
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AC_SUBST(CXXINCLUDES)
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# Configuration of shared libraries
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AC_MSG_CHECKING(whether to build shared libraries)
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# Configuration of machine-dependent code
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AC_MSG_CHECKING(which machine-dependent code should be used)
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machdep="alpha_mach_dep.lo"
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if test x"${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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machdep="alpha_mach_dep.lo"
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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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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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machdep="mips_ultrix_mach-dep.lo"
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mips-nec-sysv*|mips-unknown-sysv*)
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machdep="mips_sgi_mach_dep.lo"
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AC_DEFINE(NO_EXECUTE_PERMISSION)
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machdep="sparc_netbsd_mach_dep.lo"
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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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sparc*-sun-solaris2.*)
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machdep="sparc_mach_dep.lo"
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machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
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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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addobjs="$addobjs $machdep"
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AC_SUBST(addincludes)
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# Check for AViiON Machines running DGUX
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AC_CHECK_HEADER(sys/dg_sys_info.h,
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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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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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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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# automake wants to see AC_EXEEXT. But we don't need it. And having
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# it is actually a problem, because the compiler we're passed can't
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# necessarily do a full link. So we fool automake here.
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# autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
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# to nothing, so nothing would remain between `then' and `fi' if it
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# were not for the `:' below.
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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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if test "$GCC" = yes; then
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new_CFLAGS="$new_CFLAGS $i"
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*) AC_MSG_RESULT(no) ;;
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dnl We need to override the top-level CFLAGS. This is how we do it.
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dnl Include defines that have become de facto standard.
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dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
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AC_DEFINE(NO_SIGNALS)
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AC_DEFINE(NO_EXECUTE_PERMISSION)
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AC_DEFINE(ALL_INTERIOR_POINTERS)
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dnl By default, make the library as general as possible.
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AC_DEFINE(JAVA_FINALIZATION)
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AC_DEFINE(GC_GCJ_SUPPORT)
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AC_DEFINE(ATOMIC_UNCOLLECTABLE)
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dnl This is something of a hack. When cross-compiling we turn off
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dnl some functionality. We also enable the "small" configuration.
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dnl These is only correct when targetting an embedded system. FIXME.
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if test -n "${with_cross_host}"; then
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AC_DEFINE(SMALL_CONFIG)
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AC_DEFINE(NO_DEBUGGING)
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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 "$enable_full_debug" = "yes"; then
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AC_MSG_WARN("Should define GC_DEBUG and use debug alloc. in clients.")
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AC_DEFINE(KEEP_BACK_PTRS)
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AC_DEFINE(DBG_HDRS_ALL)
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AC_DEFINE(MAKE_BACK_GRAPH)
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AC_DEFINE(SAVE_CALL_COUNT, 8)
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AC_CHECK_LIB(unwind, backtrace, [
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AC_DEFINE(GC_HAVE_BUILTIN_BACKTRACE)
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AC_MSG_WARN("Client code may need to link against libunwind.")
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x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
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AC_DEFINE(MAKE_BACK_GRAPH)
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AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
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AC_DEFINE(SAVE_CALL_COUNT, 8)
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AC_DEFINE(MAKE_BACK_GRAPH)
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AC_ARG_ENABLE(redirect-malloc,
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[ --enable-redirect-malloc redirect malloc and friends to GC routines])
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if test "${enable_redirect_malloc}" = yes; then
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if test "${enable_full_debug}" = yes; then
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AC_DEFINE(REDIRECT_MALLOC, GC_debug_malloc_replacement)
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AC_DEFINE(REDIRECT_REALLOC, GC_debug_realloc_replacement)
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AC_DEFINE(REDIRECT_FREE, GC_debug_free)
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AC_DEFINE(REDIRECT_MALLOC, GC_malloc)
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AC_ARG_ENABLE(gc-assertions,
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[ --enable-gc-assertions collector-internal assertion checking])
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if test "${enable_gc_assertions}" = yes; then
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AC_DEFINE(GC_ASSERTIONS)
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AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
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AC_OUTPUT([Makefile doc/Makefile include/Makefile],,
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CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
added
removed
configure.in
