# build unittest expression/utest set(SELF_EXE utest.expression) set(SELF_SRCS expression_utest_main.cpp type_unifier.test.cpp) xo_add_utest_executable(${SELF_EXE} ${SELF_SRCS}) xo_self_dependency(${SELF_EXE} xo_expression) xo_external_target_dependency(${SELF_EXE} Catch2 Catch2::Catch2)