I have a project like this: Top Dir (configure.ac, etc.) - Source Dir -- Lib 1 -- Lib 2 -- Main Application - Test Dir -- Lib 1 Tests -- Lib 2 Tests I need to set -fno-exceptions in everything under "Source Dir". But I need to have -fexceptions in everything under "Test Dir". I have tried putting -fexceptions in every Makefile.am under Test Dir. This did not work because apparently -fexceptions is the default. Everything in "Source Dir" still had exceptions. I thought of having a nested configure for Test Dir, but I don't think that's the "right" way to do it. It would not be very manageable for us to do that. Is there a nice way to conditionally add -fno-exceptions to CXXFLAGS for the "Source Dir" from configure.ac or elsewhere? I am sure I can go to each library under "Source Dir" and put -fno-exceptions in AM_CXXFLAGS, but is there a correct way to do it in configure.ac? Thanks _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf