2009-07-09 Basile Starynkevitch <basile@starynkevitch.net>

	* gcc/plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen. 



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@149424 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 5 insertions, 1 deletions

diff --git a/gcc/plugin.c b/gcc/plugin.c
index f6578505b88..906068387b7 100644
--- a/gcc/plugin.c
+++ b/gcc/plugin.c
@@ -592,7 +592,11 @@ try_init_one_plugin (struct plugin_name_args *plugin)
   char *err;
   PTR_UNION_TYPE (plugin_init_func) plugin_init_union;
 
-  dl_handle = dlopen (plugin->full_name, RTLD_NOW);
+  /* We use RTLD_NOW to accelerate binding and detect any mismatch
+     between the API expected by the plugin and the GCC API; we use
+     RTLD_GLOBAL which is useful to plugins which themselves call
+     dlopen.  */
+  dl_handle = dlopen (plugin->full_name, RTLD_NOW | RTLD_GLOBAL);
   if (!dl_handle)
     {
       error ("Cannot load plugin %s\n%s", plugin->full_name, dlerror ());