Dear Bob, Many thanks for your response. Sure, I understand the problem you describe and it makes perfect sense to me. But then, what would be an appropriate way to deal with it, according to you? Shall one let users put their directories in CFLAGS and LDFLAGS? Thanks! Sébastien. _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf