It looks like it's connected to libstdc++ bug 37522, which was fixed long ago. It was gcc 4.4 regression. But current mingw package version is 4.6.2, why are you using outdated libstdc++? 22.12.2011 18:00, The Source пишет: > While trying to build one of my apps using mingw from fedora-cross > mingw repository > (compiler version > mingw32-gcc-c++-4.6.2-0.4.20110908.fc16_cross.x86_64) I have found > that _GLIBCXX_HAVE_BROKEN_VSWPRINTF is defined and for that reason I > can't use std::to_string