+ # It's not clear if $3 flags will be given to gcc or ld,
+ # and they accept different flags, so for now do nothing
+ # $3="$$3 -m64"
+ $4="$$4 -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"
+ # It's not clear if $3 flags will be given to gcc or ld,
+ # and they accept different flags, so for now do nothing
+ # $3="$$3 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
+ $4="$$4 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"