add w3m-0.5.2-gc72.patch to build with gc 7.2.

component/w3m/buildout.cfg

@@ -30,8 +30,11 @@ configure-options =
 patch-options =
   -p1
 
+# http://lists.opensuse.org/opensuse-commit/2011-09/msg00222.html
+# http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/www-client/w3m/files/w3m-0.5.2-gc72.patch
 patches =
   ${:_profile_base_location_}/w3m.gcc.forward.compat.patch#75422a6f7f671b3a6d9add6724cc0945
+  ${:_profile_base_location_}/w3m-0.5.2-gc72.patch#5a74b6379240c8dd1372efa7926c8bdc
 
 environment =
   PATH=${pkgconfig:location}/bin:%(PATH)s

component/w3m/w3m-0.5.2-gc72.patch

+diff -Naurb w3m-0.5.2.orig/main.c w3m-0.5.2/main.c
+--- w3m-0.5.2.orig/main.c	2007-05-31 10:19:50.000000000 +0900
++++ w3m-0.5.2/main.c	2009-11-09 08:20:02.184953443 +0900
+@@ -312,7 +312,11 @@
+ 	    lock = 0;
+ 	}
+     }
++#if GC_VERSION_MAJOR >= 7 && GC_VERSION_MINOR >= 2
++    else if (orig_GC_warn_proc = GC_get_warn_proc())
++#else
+     else if (orig_GC_warn_proc)
++#endif
+ 	orig_GC_warn_proc(msg, arg);
+     else
+ 	fprintf(stderr, msg, (unsigned long)arg);
+@@ -842,7 +846,11 @@
+     mySignal(SIGPIPE, SigPipe);
+ #endif
+ 
++#if GC_VERSION_MAJOR >= 7 && GC_VERSION_MINOR >= 2
++    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 */