Thanks for the answers, Vincent and Peter! > You do as you do with whatever else you are requiring. Check if > #include <windows.h> is there, and check if you can link with some > API of your choice. [...] I would have expected something like this as a ready-to-run macro in the autoconf-macro archive, but surprisingly there is nothing as far as I can see. Werner _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf