1 files changed, 10 insertions, 0 deletions
diff --git a/Library/Formula/mpio.rb b/Library/Formula/mpio.rb
index 8c2b34920..25f8b52a4 100644
--- a/Library/Formula/mpio.rb
+++ b/Library/Formula/mpio.rb
@@ -5,6 +5,16 @@ class Mpio < Formula
   url 'https://github.com/downloads/frsyuki/mpio/mpio-0.3.7.tar.gz'
   sha1 '2c75a7ad0d0e00e9463f768fa4b579626bf65096'
 
+  fails_with :clang do
+    cause <<-EOS.undent
+      In file included from ./wavy_loop.h:23:
+      ./wavy_kernel.h:50:10: fatal error: './ wavy_kernel_kqueue.h' file not found
+      #include MP_WAVY_KERNEL_HEADER(MP_WAVY_KERNEL)
+      ^
+      ./wavy_kernel.h:44:2: note: expanded from macro 'MP_WAVY_KERNEL_HEADER'
+    EOS
+  end
+
   def install
     system "./configure", "--disable-dependency-tracking",
                           "--prefix=#{prefix}"