| enable_language (C) | |
| include(CheckSourceCompiles) | |
| check_source_compiles(C "I don't build" SHOULD_FAIL) | |
| if(SHOULD_FAIL) | |
| message(SEND_ERROR "invalid C source didn't fail.") | |
| endif() | |
| check_source_compiles(C "int main() {return 0;}" SHOULD_BUILD) | |
| if(NOT SHOULD_BUILD) | |
| message(SEND_ERROR "Test fail for valid C source.") | |
| endif() |