>> is there an autoconf macro to detect MS Windows? > > Is that a joke? The trouble is, that autoconf requires a shell and > M4, which Windows doesn't provide (only in Cygwin). So MS Windows is > detected when autoconf/configure does not run... Very witty :-) No, it's not a joke. I don't want to detect the compiler or the build environment, but I want a macro which detects the Windows GUI abilities, similar to macro which detects the availability of X11, regardless of the platform. Werner _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf