
Cygwin and MinGW share the auto import behavior that could result in __stack_check_guard being non-dso-local. Allow windres to assume a Cygwin target as well as a MinGW one, so defines like _WIN32 would not be present on Cygwin.
Cygwin and MinGW share the auto import behavior that could result in __stack_check_guard being non-dso-local. Allow windres to assume a Cygwin target as well as a MinGW one, so defines like _WIN32 would not be present on Cygwin.