project('nobuilddir', 'c', default_options : 'werror=true') cc = meson.get_compiler('c') incwarg = '-Wmissing-include-dirs' if cc.has_argument(incwarg) executable('prog', 'prog.c', c_args : incwarg, include_directories : include_directories('include')) else error('MESON_SKIP_TEST compiler does not support bad inc dir argument.') endif