Only pass -march=i686 on x86

tibbe · tibbe · commit 6a699ea9331a · 2015-02-11T09:31:00.000+01:00
diff --git a/ekg-core.cabal b/ekg-core.cabal
@@ -37,7 +37,8 @@ library
   default-language:    Haskell2010
 
   ghc-options: -Wall
-  cc-options: -march=i686
+  if arch(i386)
+    cc-options: -march=i686
   includes: distrib.h
   install-includes: distrib.h
   include-dirs: cbits
