-# Copyright (c) 1999, 2000, 2001, 2002, 2003 by Red Hat, Inc. All rights reserved.
+# Copyright (c) 1999, 2000, 2001, 2002, 2003, 2006 by Red Hat, Inc. All rights reserved.
# Copyright 2004 Nathanael Nerode
#
# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
AC_SUBST(mkinstalldirs)
-AM_INIT_AUTOMAKE(gc, 6.3, no-define)
+AM_INIT_AUTOMAKE(gc, 6.6, no-define)
# The autoconf 2.5x version of the no-executables hack.
-sinclude(../config/no-executables.m4)
GCC_NO_EXECUTABLES
# Yak. We must force CC and CXX to /not/ be precious variables; otherwise
no | none | single)
THREADS=none
;;
- posix | pthreads)
+ posix | posix95 | pthreads)
THREADS=posix
THREADLIBS=-lpthread
case "$host" in
x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha-*-linux*)
- AC_DEFINE(GC_LINUX_THREADS)
- AC_DEFINE(_REENTRANT)
+ AC_DEFINE(GC_LINUX_THREADS,1,[support for Xavier Leroy's Linux threads])
+ AC_DEFINE(_REENTRANT,1,[Use reentrant code])
if test "${enable_parallel_mark}" = yes; then
- AC_DEFINE(PARALLEL_MARK)
+ AC_DEFINE(PARALLEL_MARK,1,[allow the marker to run in multiple threads])
fi
- AC_DEFINE(THREAD_LOCAL_ALLOC)
+ AC_DEFINE(THREAD_LOCAL_ALLOC,1,[define GC_local_malloc() & GC_local_malloc_atomic()])
;;
*-*-linux*)
- AC_DEFINE(GC_LINUX_THREADS)
- AC_DEFINE(_REENTRANT)
+ AC_DEFINE(GC_LINUX_THREADS,1)
+ AC_DEFINE(_REENTRANT,1)
;;
*-*-aix*)
- AC_DEFINE(GC_AIX_THREADS)
- AC_DEFINE(_REENTRANT)
+ AC_DEFINE(GC_AIX_THREADS,1,[support AIX threads])
+ AC_DEFINE(_REENTRANT,1)
;;
- *-*-hpux*)
- AC_MSG_WARN("Only HP/UX 11 threads are supported.")
- AC_DEFINE(GC_HPUX_THREADS)
- AC_DEFINE(_POSIX_C_SOURCE,199506L)
+ *-*-hpux11*)
+ AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
+ AC_DEFINE(GC_HPUX_THREADS,1,[enables support for HP/UX 11 pthreads])
+ AC_DEFINE(_POSIX_C_SOURCE,199506L,[POSIX version of C Source])
if test "${enable_parallel_mark}" = yes; then
- AC_DEFINE(PARALLEL_MARK)
+ AC_DEFINE(PARALLEL_MARK,1)
fi
- AC_DEFINE(THREAD_LOCAL_ALLOC)
+ 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)
+ INCLUDES="$INCLUDES -pthread"
+ THREADDLLIBS=-pthread
+ AC_DEFINE(_REENTRANT)
+ if test "${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])
+ ;;
*-*-freebsd*)
AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
- AC_DEFINE(GC_FREEBSD_THREADS)
+ AC_DEFINE(GC_FREEBSD_THREADS,1,[support FreeBSD threads])
AM_CPPFLAGS="$AM_CPPFLAGS -pthread"
THREADLIBS=-pthread
;;
*-*-solaris*)
- AC_DEFINE(GC_SOLARIS_THREADS)
- AC_DEFINE(GC_SOLARIS_PTHREADS)
+ AC_DEFINE(GC_SOLARIS_THREADS,1,[support for Solaris (thr_) threads])
+ AC_DEFINE(GC_SOLARIS_PTHREADS,1,[support for Solaris pthreads])
;;
*-*-irix*)
- AC_DEFINE(GC_IRIX_THREADS)
+ AC_DEFINE(GC_IRIX_THREADS,1,[support for Irix pthreads])
;;
*-*-cygwin*)
- AC_DEFINE(GC_WIN32_THREADS)
+ AC_DEFINE(GC_WIN32_THREADS,1,[support for win32 threads])
;;
*-*-darwin*)
- AC_DEFINE(GC_DARWIN_THREADS)
- AC_DEFINE(THREAD_LOCAL_ALLOC)
+ AC_DEFINE(GC_DARWIN_THREADS,1,[support for Mac OS X pthreads])
+ AC_DEFINE(THREAD_LOCAL_ALLOC,1)
if test "${enable_parallel_mark}" = yes; then
- AC_DEFINE(PARALLEL_MARK)
+ AC_DEFINE(PARALLEL_MARK,1)
fi
;;
*-*-osf*)
- AC_DEFINE(GC_OSF1_THREADS)
+ AC_DEFINE(GC_OSF1_THREADS,1,[support for Tru64 pthreads])
if test "${enable_parallel_mark}" = yes; then
- AC_DEFINE(PARALLEL_MARK)
- AC_DEFINE(THREAD_LOCAL_ALLOC)
+ AC_DEFINE(PARALLEL_MARK,1)
+ AC_DEFINE(THREAD_LOCAL_ALLOC,1)
# May want to enable it in other cases, too.
# Measurements havent yet been done.
fi
esac
;;
win32)
- AC_DEFINE(GC_WIN32_THREADS)
+ AC_DEFINE(GC_WIN32_THREADS,1)
dnl Old wine getenv may not return NULL for missing entry.
dnl Define EMPTY_GETENV_RESULTS here to work around the bug.
;;
# Use pthread GCC switch
THREADLIBS=-pthread
if test "${enable_parallel_mark}" = yes; then
- AC_DEFINE(PARALLEL_MARK)
+ AC_DEFINE(PARALLEL_MARK,1)
fi
- AC_DEFINE(THREAD_LOCAL_ALLOC)
- AC_DEFINE(GC_DGUX386_THREADS)
- AC_DEFINE(DGUX_THREADS)
+ AC_DEFINE(THREAD_LOCAL_ALLOC,1)
+ AC_DEFINE(GC_DGUX386_THREADS,1,[support for DB/UX on I386 threads])
+ AC_DEFINE(DGUX_THREADS,1,[No description])
# Enable _POSIX4A_DRAFT10_SOURCE with flag -pthread
AM_CPPFLAGS="-pthread $AM_CPPFLAGS"
;;
aix)
THREADS=posix
THREADLIBS=-lpthread
- AC_DEFINE(GC_AIX_THREADS)
- AC_DEFINE(_REENTRANT)
+ AC_DEFINE(GC_AIX_THREADS,1)
+ AC_DEFINE(_REENTRANT,1)
;;
decosf1 | irix | mach | os2 | solaris | dce | vxworks)
AC_MSG_ERROR(thread package $THREADS not yet supported)
esac
AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
+# Darwin needs a few extra special tests to deal with variation in the
+# system headers.
+case "$host" in
+ powerpc*-*-darwin*)
+ AC_CHECK_MEMBER(ppc_thread_state_t.r0,
+ AC_DEFINE(HAS_PPC_THREAD_STATE_R0,,[ppc_thread_state_t has field r0]),,
+ [#include <mach/thread_status.h>])
+ AC_CHECK_MEMBER(ppc_thread_state_t.__r0,
+ AC_DEFINE(HAS_PPC_THREAD_STATE___R0,,dnl
+ [ppc_thread_state_t has field __r0]),,
+ [#include <mach/thread_status.h>])
+ AC_CHECK_MEMBER(ppc_thread_state64_t.r0,
+ AC_DEFINE(HAS_PPC_THREAD_STATE64_R0,,dnl
+ [ppc_thread_state64_t has field r0]),,
+ [#include <mach/thread_status.h>])
+ AC_CHECK_MEMBER(ppc_thread_state64_t.__r0,
+ AC_DEFINE(HAS_PPC_THREAD_STATE64___R0,,dnl
+ [ppc_thread_state64_t has field __r0]),,
+ [#include <mach/thread_status.h>])
+ ;;
+ i?86*-*-darwin*)
+ AC_CHECK_MEMBER(i386_thread_state_t.eax,
+ AC_DEFINE(HAS_I386_THREAD_STATE_EAX,,dnl
+ [i386_thread_state_t has field eax]),,
+ [#include <sys/cdefs.h>
+#include <mach/thread_status.h>])
+ AC_CHECK_MEMBER(i386_thread_state_t.__eax,
+ AC_DEFINE(HAS_I386_THREAD_STATE___EAX,,dnl
+ [i386_thread_state_t has field __eax]),,
+ [#include <sys/cdefs.h>
+#include <mach/thread_status.h>])
+ ;;
+ *) ;;
+esac
+
# We never want libdl on darwin. It is a fake libdl that just ends up making
# dyld calls anyway
case "$host" in
no)
;;
*)
- AC_DEFINE(ECOS)
+ AC_DEFINE(ECOS,1,[Target is ECOS])
AM_CPPFLAGS="${AM_CPPFLAGS} -I${TARGET_ECOS}/include"
addobjs="$addobjs ecos.lo"
;;
;;
esac
+# Checks for pthreads functions
+#
+oldLIBS="$LIBS"
+LIBS="$LIBS $THREADLIBS"
+AC_CHECK_FUNCS([pthread_getattr_np])
+LIBS="$oldLIBS"
+
# Configuration of machine-dependent code
#
# We don't set NO_EXECUTE_PERMISSION by default because gcj (and
machdep="alpha_mach_dep.lo"
;;
i?86-*-solaris2.[[89]] | i?86-*-solaris2.1?)
- AC_DEFINE(SOLARIS25_PROC_VDB_BUG_FIXED)
+ 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)
- AC_DEFINE(DATASTART_IS_ETEXT)
+ AC_DEFINE(STACKBASE, __stackbase,[No description])
+ AC_DEFINE(DATASTART_IS_ETEXT,1,[No description])
;;
mips-dec-ultrix*)
machdep="mips_ultrix_mach-dep.lo"
;;
sparc-sun-solaris2.3)
machdep="sparc_mach_dep.lo"
- AC_DEFINE(SUNOS53_SHARED_LIB)
+ AC_DEFINE(SUNOS53_SHARED_LIB,1,[Avoid Solaris 5.3 dynamic library bug])
;;
- sparc-sun-solaris2.*)
+ sparc*-sun-solaris2.*)
machdep="sparc_mach_dep.lo"
;;
ia64-*-*)
- AC_DEFINE(NO_EXECUTE_PERMISSION)
+ AC_DEFINE(NO_EXECUTE_PERMISSION,1,[cause some or all of the heap to not have execute permission])
machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
;;
esac
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
+dnl Not needed anymore on Solaris.
AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary)
case "$host" in
- sparc-sun-solaris2*|*aix*)
+ *aix*)
if test "$GCC" = yes; then
AC_MSG_RESULT(yes)
new_CFLAGS=
dnl Include defines that have become de facto standard.
dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
-AC_DEFINE(SILENT)
-AC_DEFINE(NO_SIGNALS)
-AC_DEFINE(ALL_INTERIOR_POINTERS)
+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)
-AC_DEFINE(GC_GCJ_SUPPORT)
-AC_DEFINE(ATOMIC_UNCOLLECTABLE)
+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])
dnl This is something of a hack. When cross-compiling we turn off
dnl some functionality. These is only correct when targetting an
dnl embedded system. FIXME.
if test -n "${with_cross_host}"; then
- AC_DEFINE(NO_SIGSET)
- AC_DEFINE(NO_DEBUGGING)
+ AC_DEFINE(NO_SIGSET,1,[use empty GC_disable_signals and GC_enable_signals])
+ AC_DEFINE(NO_DEBUGGING,1,[removes GC_dump])
fi
AC_ARG_ENABLE(gc-debug,
[ --enable-gc-debug include full support for pointer backtracing etc.],
[ if test "$enable_gc_debug" = "yes"; then
AC_MSG_WARN("Must define GC_DEBUG and use debug alloc. in clients.")
- AC_DEFINE(KEEP_BACK_PTRS)
- AC_DEFINE(DBG_HDRS_ALL)
+ 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 $host in
ia64-*-linux* )
- AC_DEFINE(MAKE_BACK_GRAPH)
+ AC_DEFINE(MAKE_BACK_GRAPH,1,[Enable GC_PRINT_BACK_HEIGHT environment variable])
;;
x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
- AC_DEFINE(MAKE_BACK_GRAPH)
+ AC_DEFINE(MAKE_BACK_GRAPH,1)
AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
- AC_DEFINE(SAVE_CALL_COUNT, 8)
+ AC_DEFINE(SAVE_CALL_COUNT, 8, [number of call frames saved with objects allocated through the debugging interface])
;;
i[3456]86-*-dgux*)
- AC_DEFINE(MAKE_BACK_GRAPH)
+ AC_DEFINE(MAKE_BACK_GRAPH,1)
;;
esac
fi])
+if test "${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)'
multilib_arg=
fi
-AC_CONFIG_HEADERS([include/gc_config.h])
+AC_CONFIG_HEADERS([include/gc_config.h include/gc_ext_config.h])
AC_CONFIG_FILES(Makefile include/Makefile)
AC_OUTPUT
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