-# The ProjectVersionInt is GHC's idea of an API version and hence determines
-# the framework version.
-FRAMEWORK_VERSION = $(ProjectVersionInt)
+# The framework version is a string like
+# 7.0.1-i386
+# for an i386 build of GHC 7.0.1. It's used for the subdirectory of
+# /Library/Frameworks/GHC.framework/Versions/
+FRAMEWORK_VERSION = $(ProjectVersion)-$(TargetArch_CPP)