Jeremy Dean wrote: > I am having a problem building Standard Library. [...] > When I try to build an optimized build, the localedef hangs and never > returns. Have you searched the bug database for similar problems? The configuration issue below causes similar symptoms in locale: http://issues.apache.org/jira/browse/STDCXX-140. It's been fixed on the trunk. > I was told to then try building a debug version, and the debug > version of the library fails to compile with the following error: [...] > /roguewave/SourcePro/Ed9/source/stdlib/setlocale.h:45: error: > `_RWSTD_LC_ALL' was not declared in this scope That's an obvious configuration issue. You need to find out why the test that's supposed to define the macro is failing. IIRC, the name of the test is LOCALE_NAME_FORMAT.cpp. Look at the log file to see what went wrong. Martin