+ $4="$$4 -arch x86_64"
+ $5="$$5 -m64"
+ ;;
+ esac
+
+ case $$1 in
+ i386-apple-darwin|x86_64-apple-darwin)
+ # We support back to OS X 10.5
+ $2="$$2 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
+ $3="$$3 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
+ $4="$$4 -macosx_version_min 10.5"
+ $5="$$5 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"