id summary reporter owner description type status milestone component version severity resolution keywords cc 9428 Lib program_options build fail for mingw Jan Rosendahl "Library program_options (boost 1.55, same applies to earlier boost versions) does not build for mingw (4.6.2). Don't know if MinGW is fully supported by boost, but some libraries do seem to have adaptation for it. Solution seems straight-forward. File ...\libs\program_options\src\parsers.cpp: #if !defined(_WIN32) || defined(__COMO_VERSION__) extern char** environ; #else // SMAL patch for MinGW #if defined(_WIN32) && defined(__MINGW32__) extern char** environ; #endif (SMAL is a soon-to-be released open-source sw)" Patches new To Be Determined Building Boost Boost 1.55.0 Problem Build MinGw