* pthread_support.c: Conditionally include dlfcn.h.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110832 138bc75d-0d04-0410-961f-82ee72b054a4

boehm-gc/ChangeLog

+2006-02-09  Tom Tromey  <tromey@redhat.com>
+
+	* pthread_support.c: Conditionally include dlfcn.h.
+
 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
 	    Anthony Green  <green@redhat.com>
 	    Tom Tromey  <tromey@redhat.com>

boehm-gc/pthread_support.c

@@ -47,8 +47,12 @@
 /*#define DEBUG_THREADS 1*/
 /*#define GC_ASSERTIONS*/
 
+#include "gc_config.h"
+
+#ifdef GC_PTHREAD_SYM_VERSION
 #define _GNU_SOURCE
 #include <dlfcn.h>
+#endif
 
 # include "gc.h"
 # include "private/pthread_support.h"