Need to pass gcc -m64 on amd64 OSX

d282b3c7 · Ian Lynagh · aaf192c3 · d282b3c7
Commit d282b3c7 authored May 20, 2009 by Ian Lynagh
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compiler/main/DynFlags.hs compiler/main/DynFlags.hs +7 -1

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--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -2258,7 +2258,13 @@ machdepCCOpts _dflags
        = ( [], ["-fomit-frame-pointer", "-G0"] )

 #elif x86_64_TARGET_ARCH
-        = ( [], ["-fomit-frame-pointer",
+        = (
+#if darwin_TARGET_OS
+            ["-m64"],
+#else
+            [],
+#endif
+                ["-fomit-frame-pointer",
                 "-fno-asynchronous-unwind-tables",
                        -- the unwind tables are unnecessary for HC code,
                        -- and get in the way of -split-objs.  Another option