Just to keep others in loop. The fortify can be disabled in clang by modifying the Makefile as: CPP.Flags += -U_FORTIFY_SOURCE CPP.Flags += -D_FORTIFY_SOURCE=0 Cheers, Ahmad -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/cfe-dev/attachments/20130108/05625ef7/attachment.html>