-# 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
*-*-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,1,[support FreeBSD threads])
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]),,
+ 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,,dnl
- [ppc_thread_state_t has field __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,,dnl
- [ppc_thread_state64_t has field 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,,dnl
- [ppc_thread_state64_t has field __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(i386_thread_state_t.eax,
- AC_DEFINE(HAS_I386_THREAD_STATE_EAX,,dnl
- [i386_thread_state_t has field eax]),,
- [#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 <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>])
+ 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
;;
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
;;
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
-# anything else that creates trampolines in gc-allocated memory)
-# always needs exec permission. The exceptions to this are IA-64 and
-# some variations of Power PC, where trampolines don't contain
-# executable 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=
machdep="sparc_mach_dep.lo"
;;
ia64-*-*)
- 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
+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"
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 "${with_cross_host}"; then
- AC_DEFINE(NO_SIGSET,1,[use empty GC_disable_signals and GC_enable_signals])
- AC_DEFINE(NO_DEBUGGING,1,[removes GC_dump])
-fi
-
AC_ARG_ENABLE(gc-debug,
[ --enable-gc-debug include full support for pointer backtracing etc.],
[ if test "$enable_gc_debug" = "yes"; then
AC_DEFINE(USE_MMAP, 1, [use MMAP instead of sbrk to get new memory])
fi
-symver=
-case "$target" in
- *-*-linux* )
- cat > conftest.c <<EOF
-#include <pthread.h>
-void *tf (void *arg) { (void) arg; return NULL; }
-int main (void) { pthread_t th; pthread_create (&th, NULL, tf, NULL); return 0; }
-EOF
- if $CC $CFLAGS -pthread -o conftest conftest.c > /dev/null 2>&1; then
- symver=`readelf -s conftest 2> /dev/null | sed -n '/UND pthread_create@/{s/^.*@//;s/ .*$//;p;q}'`
- fi
- rm -f conftest conftest.c
- ;;
-esac
-if test -n "$symver"; then
- AC_DEFINE_UNQUOTED(GC_PTHREAD_SYM_VERSION, "$symver", [symbol version of pthread_create])
-fi
-
-
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
toolexecdir='$(exec_prefix)/$(target_noncanonical)'