Gambit Scheme 4.6.4

Formula/gambit-scheme.rb

@@ -1,9 +1,9 @@
 require 'formula'
 
 class GambitScheme < Formula
-  url 'http://www.iro.umontreal.ca/~gambit/download/gambit/v4.6/source/gambc-v4_6_2.tgz'
   homepage 'http://dynamo.iro.umontreal.ca/~gambit/wiki/index.php/Main_Page'
-  md5 'f6230a1f1f56b8113e0b9e391074bcb0'
+  url 'http://www.iro.umontreal.ca/~gambit/download/gambit/v4.6/source/gambc-v4_6_4.tgz'
+  md5 'f4a65f834b36b7ffbd0292021889a8e3'
 
   def options
     [
@@ -17,20 +17,15 @@ class GambitScheme < Formula
   fails_with_llvm "ld crashes during the build process or segfault at runtime", :build => 2335
 
   def install
-    ENV.O2 # Gambit Scheme doesn't like full optimizations
+    args = ["--disable-debug",
+            "--prefix=#{prefix}",
+            "--infodir=#{info}",
+            # Recommended to improve the execution speed and compactness
+            # of the generated executables. Increases compilation times.
+            "--enable-single-host"]
+    args << "--enable-shared" if ARGV.include? '--enable-shared'
 
-    configure_args = [
-      "--prefix=#{prefix}",
-      "--infodir=#{info}",
-      "--disable-debug",
-      # Recommended to improve the execution speed and compactness
-      # of the generated executables. Increases compilation times.
-      "--enable-single-host"
-    ]
-
-    configure_args << "--enable-shared" if ARGV.include? '--enable-shared'
-
-    system "./configure", *configure_args
+    system "./configure", *args
     system "make check" if ARGV.include? '--with-check'
 
     ENV.j1