> I think most people here will back Jonathan's answer. > http://www.catb.org/esr/faqs/smart-questions.html I was hoping most people here would have noticed I replied him on purpose the same way he replied me. To make this post worth something not too much off‑topic, I'm posting the result of a two‑options configuration (the one which is so much obvious but I am too much stupid to have figured out and tried, so much that it's four days I am trying to get it work and have no other choice): ../source/configure \ --enable-languages=c,ada \ --prefix=/home/yannick/apps/gcc-$VERSION/installed; Result: undefined reference to `__gnat_personality_v0' undefined reference to `_Unwind_SjLj_RaiseException' undefined reference to `_Unwind_SjLj_ForcedUnwind' Complete logs and standard IO outputs and build script attached. logs-and-others.tar.xz <http://gcc.1065356.n5.nabble.com/file/n931381/logs-and-others.tar.xz> -- View this message in context: http://gcc.1065356.n5.nabble.com/Inconsistant-exception-API-libgcc-s-and-cc1-don-t-agree-tp931332p931381.html Sent from the gcc - Help mailing list archive at Nabble.com.