boehm.cc (_Jv_InitGC): Check both HAVE_DLFCN_H and HAVE_DLADDR before calling...

	* boehm.cc (_Jv_InitGC): Check both HAVE_DLFCN_H and HAVE_DLADDR
	before calling GC_register_has_static_roots_callback.
	(_Jv_RegisterLibForGc): Likewise, test for both HAVE_DLFCN_H and
	HAVE_DLADDR before calling dladdr.


Co-Authored-By: Andrew Haley <aph@redhat.com>

From-SVN: r113417

libjava/ChangeLog

+2006-05-01  Roger Sayle  <roger@eyesopen.com>
+	    Andrew Haley  <aph@redhat.com>
+
+	* boehm.cc (_Jv_InitGC): Check both HAVE_DLFCN_H and HAVE_DLADDR
+	before calling GC_register_has_static_roots_callback.
+	(_Jv_RegisterLibForGc): Likewise, test for both HAVE_DLFCN_H and
+	HAVE_DLADDR before calling dladdr.
+
 2006-04-28  Bryce McKinlay  <mckinlay@redhat.com>
 
 	* link.cc (_Jv_Linker::resolve_pool_entry): Don't pass vtable_index

libjava/boehm.cc

@@ -486,7 +486,7 @@ _Jv_InitGC (void)
   // Ignore pointers that do not point to the start of an object.
   GC_all_interior_pointers = 0;
 
-#ifdef HAVE_DLFCN_H
+#if defined (HAVE_DLFCN_H) && defined (HAVE_DLADDR)
   // Tell the collector to ask us before scanning DSOs.
   GC_register_has_static_roots_callback (_Jv_GC_has_static_roots);
 #endif
@@ -581,7 +581,7 @@ _Jv_GCCanReclaimSoftReference (jobject)
 
 
 
-#ifdef HAVE_DLFCN_H
+#if defined (HAVE_DLFCN_H) && defined (HAVE_DLADDR)
 
 // We keep a store of the filenames of DSOs that need to be
 // conservatively scanned by the garbage collector.  During collection
@@ -661,7 +661,7 @@ _Jv_GC_has_static_roots (const char *filename, void *, size_t)
 void
 _Jv_RegisterLibForGc (const void *p __attribute__ ((__unused__)))
 {
-#ifdef HAVE_DLFCN_H
+#if defined (HAVE_DLFCN_H) && defined (HAVE_DLADDR)
   Dl_info info;
 
   if (dladdr (const_cast<void *>(p), &info) != 0)