patch to build w3m with new gcc

component/w3m/buildout.cfg

@@ -31,7 +31,7 @@ patch-options =
   -p1
 
 patches =
-  ${:_profile_base_location_}/w3m.gcc.forward.compat.patch#75422a6f7f671b3a6d9add6724cc0945
+  ${:_profile_base_location_}/w3m.gcc.forward.compat.patch#2dba0c0bc5118ccfe49a56d93b8d7847
 
 environment =
   PATH=${pkgconfig:location}/bin:%(PATH)s

component/w3m/w3m.gcc.forward.compat.patch

@@ -60,3 +60,20 @@ index a220d8b..6d9736d 100644
      char type;
      char iseos;
      int (*read) ();
+diff --git a/main.c b/main.c
+index b421943..865c744 100644
+--- a/main.c
++++ b/main.c
+@@ -833,7 +833,12 @@ main(int argc, char **argv, char **envp)
+     mySignal(SIGPIPE, SigPipe);
+ #endif
+ 
++#if GC_VERSION_MAJOR >= 7 && GC_VERSION_MINOR >= 2
++    orig_GC_warn_proc = GC_get_warn_proc();
++    GC_set_warn_proc(wrap_GC_warn_proc);
++#else
+     orig_GC_warn_proc = GC_set_warn_proc(wrap_GC_warn_proc);
++#endif
+     err_msg = Strnew();
+     if (load_argc == 0) {
+        /* no URL specified */