project('CMake mix', ['c', 'cpp']) if not add_languages('objc', required : false) error('MESON_SKIP_TEST: No ObjC compiler') endif cm = import('cmake') sub_pro = cm.subproject('cmTest') sub_dep = sub_pro.dependency('cmTest', include_type: 'system') exe1 = executable('exe1', ['main.c'], dependencies: [sub_dep]) test('test1', exe1)