* automake.in (&read_am_file, &file_contents_internal): Don't define macros when `FALSE', to avoid errors on doubly defined variables but under condition `FALSE'. In order to allow... (&am_install_var): When reading the associated file for the first time, enable `%?FIRST%'. (&handle_libraries): Let libs.am define $(AR) and $(RANLIB). * libs.am: Do it when `%?FIRST%'.