If we have this program #define _WIN32_WINNT 0x601 #include <windows.h>
int main() {} And try to compile it like so, x86_64-w64-mingw32-gcc hello.c The compile fails with In file included from /usr/x86_64-w64-mingw32/sys-root/mingw/include/windows.h:86:0, from hello.c:2: /usr/x86_64-w64-mingw32/sys-root/mingw/include/wincrypt.h:4880:3: error: expected declaration specifiers or ‘...’ before ‘cCriteria’ In file included from /usr/x86_64-w64-mingw32/sys-root/mingw/include/ole2.h:16:0, from /usr/x86_64-w64-mingw32/sys-root/mingw/include/windows.h:97, from hello.c:2: /usr/x86_64-w64-mingw32/sys-root/mingw/include/objbase.h:335:26: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘CoGetApartmentType’ It works fine with _WIN32_WINNT = 0x600 (Vista) -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple