w3m 0.5.3

Add patch for compilation against bdw-gc 7.2alpha6.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/w3m.rb

@@ -1,18 +1,41 @@
 require 'formula'
 
 class W3m < Formula
-  url 'http://downloads.sourceforge.net/project/w3m/w3m/w3m-0.5.2/w3m-0.5.2.tar.gz'
   homepage 'http://w3m.sourceforge.net/'
-  md5 'ba06992d3207666ed1bf2dcf7c72bf58'
+  url 'http://downloads.sourceforge.net/project/w3m/w3m/w3m-0.5.3/w3m-0.5.3.tar.gz'
+  md5 '1b845a983a50b8dec0169ac48479eacc'
 
   depends_on 'bdw-gc'
 
   fails_with_llvm :build => 2334
 
+  def patches
+    # patch to build against bdw-gc 7.2 by @waltarix
+    # will be sent upstream
+    DATA
+  end
+
   def install
-    system "./configure", "--disable-debug", "--disable-dependency-tracking",
-                          "--prefix=#{prefix}",
-                          "--disable-image"
+    system "./configure", "--prefix=#{prefix}", "--disable-image"
     system "make install"
   end
 end
+
+__END__
+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 */