Target workaround at non-Apple objective-c++ compilers only, as the previous workaround broke those platforms. Pragmas push_macro and pop_macro are only available on gcc 4.4 or later, so use plain ol' #define/#undef instead.
[SVN r66289]
Christopher Kohlhoff%!s(int64=15) %!d(string=hai) anos
Christopher Kohlhoff