* Bob Rossi wrote on Thu, Jan 18, 2007 at 09:54:24PM CET: > > Well, lets say I modified libexpat and it's now different than the one > on the system. [...] > However, if for some reason the local expat build fails, my check to > compile a small program still works because it picks up the installed > one on the system. So add a symbol to your modified libexpat. Link against that symbol in your source code. Use -no-undefined. Then programs will fail to link (and on some systems, those where -no-undefined works well, also libraries will fail to link). Of course you've broken the API now. Hope that helps. Cheers, Ralf _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf