| enable_language (Fortran) | |
| include(CheckCompilerFlag) | |
| check_compiler_flag(Fortran "-_this_is_not_a_flag_" SHOULD_FAIL) | |
| if(SHOULD_FAIL) | |
| message(SEND_ERROR "invalid Fortran compile flag didn't fail.") | |
| endif() | |
| if(CMAKE_Fortran_COMPILER_ID STREQUAL "GNU") | |
| check_compiler_flag(Fortran "-Wall" SHOULD_WORK) | |
| if(NOT SHOULD_WORK) | |
| message(SEND_ERROR "${CMAKE_Fortran_COMPILER_ID} compiler flag '-Wall' check failed") | |
| endif() | |
| endif() |