Diff files to make openblas compile on osx with clang-4.0 and openmp

openblas-enable-clang.diff

diff --git a/Makefile.system b/Makefile.system
index b05177b..4b65edf 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -406,7 +406,7 @@ CCOMMON_OPT    += -fopenmp
 endif
 
 ifeq ($(C_COMPILER), CLANG)
-$(error OpenBLAS: Clang didn't support OpenMP yet.)
+# $(error OpenBLAS: Clang didn't support OpenMP yet.)
 CCOMMON_OPT    += -fopenmp
 endif
 

openblas.rb.diff

diff --git a/openblas.rb b/openblas.rb
index 1d587f0d..e90ccb92 100644
--- a/openblas.rb
+++ b/openblas.rb
@@ -23,6 +23,11 @@ class Openblas < Formula
     sha256 "3ddabb73abf3baa4ffba2648bf1d9387bbc6354f94dd34eeef942f1b3e25c29a"
   end
 
+  patch do
+    url "https://gist.github.com/bhaskarvk/b288e249a6a9e262457acc59db1c0c8b/raw/f9e563c5f27533cc49f01a5b02bc2189435ab66c/openblas-enable-clang.diff"
+    sha256 "b5bcbc018c3e588399bd7049f05fe4a3b1b029e9efd4b569f672ea6e30019c1c"
+  end
+
   option "with-openmp", "Do parallel computation with OpenMP"
   needs :openmp if build.with? "openmp"