diff --git a/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt index a8406dd651..2657aebb70 100644 --- a/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt +++ b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt @@ -68,7 +68,11 @@ if (CMAKE_C_COMPILE_FEATURES) add_executable(C_undefined c_undefined.c) set_property(TARGET C_undefined PROPERTY C_STANDARD 90) - target_compile_options(C_undefined PRIVATE -Werror=undef) + include(CheckCCompilerFlag) + check_c_compiler_flag(-Werror=undef use_error_undef) + if (use_error_undef) + target_compile_options(C_undefined PRIVATE -Werror=undef) + endif() add_executable(WriteCompilerDetectionHeader_C main.c) set_property(TARGET WriteCompilerDetectionHeader_C PROPERTY C_STANDARD 90)