1 files changed, 6 insertions, 2 deletions
diff --git a/ox-arrays.cabal b/ox-arrays.cabal
index f114709..69b7c55 100644
--- a/ox-arrays.cabal
+++ b/ox-arrays.cabal
@@ -37,8 +37,12 @@ library
     vector
   hs-source-dirs: src
   c-sources: cbits/arith.c
-  -- hmatrix assumes sse2, so we can too
-  cc-options: -O3 -msse2 -Wall -Wextra
+
+  cc-options: -O3 -Wall -Wextra -std=c99
+  if arch(x86_64) || arch(i386)
+    -- hmatrix assumes sse2, so we can too
+    cc-options: -msse2
+
   default-language: Haskell2010
   ghc-options: -Wall
   other-extensions: TemplateHaskell