From 33b8ea2a147a3bf8f4617b0399cbb2b2dbbb6f9e Mon Sep 17 00:00:00 2001
From: tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 21 Aug 2006 22:07:30 +0000
Subject: boehm-gc 	PR libgcj/13212: 	* configure.ac: Check for
 pthread_getattr_np(). Remove 	GC_PTHREAD_SYM_VERSION detection. 	*
 include/gc.h (GC_register_my_thread, GC_unregister_my_thread, 
 GC_get_thread_stack_base): New declarations. 	* pthread_support.c
 (GC_register_my_thread, GC_unregister_my_thread, 
 GC_get_thread_stack_base): New functions. 	(GC_delete_thread): Don't try
 to free the first_thread. 	* misc.c (GC_init_inner): Use
 GC_get_thread_stack_base() if possible. 	(pthread_create_, constr):
 Removed. 	(pthread_create): Don't rename. 	*
 include/gc_ext_config.h.in: Rebuilt. 	* include/gc_pthread_redirects.h
 (pthread_create): Define 	unconditionally. 	*
 include/gc_config.h.in: Rebuilt. 	* configure: Rebuilt. libjava 	*
 java/lang/natThread.cc (_Jv_AttachCurrentThread): Attach thread 	to GC.
 	(_Jv_DetachCurrentThread): Detach thread from GC. 	*
 include/boehm-gc.h (_Jv_GCAttachThread, _Jv_GCDetachThread): 	Declare. 
 * boehm.cc (_Jv_GCAttachThread): New function. 	(_Jv_GCDetachThread):
 Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@116313 138bc75d-0d04-0410-961f-82ee72b054a4
---
 boehm-gc/configure.ac | 28 ++++++++--------------------
 1 file changed, 8 insertions(+), 20 deletions(-)

(limited to 'boehm-gc/configure.ac')

diff --git a/boehm-gc/configure.ac b/boehm-gc/configure.ac
index b1d53cf6a88..807b7a1a758 100644
--- a/boehm-gc/configure.ac
+++ b/boehm-gc/configure.ac
@@ -1,4 +1,4 @@
-# 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
@@ -329,6 +329,13 @@ case "$host" in
      ;;
 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
@@ -488,25 +495,6 @@ if test "${gc_use_mmap}" = "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)'
-- 
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