| enable_language(C) |
| |
| include(CheckCompilerFlag) |
| |
| # Confirm we can check the conflicting flag directly. This should pass with |
| # or without the workaround. |
| check_compiler_flag(C "-fembed-bitcode" result1) |
| if(NOT result1) |
| message(FATAL_ERROR "False negative when -fembed-bitcode tested directly") |
| endif() |
| |
| # Check conflicting flag set by user or project won't cause a false negative |
| # when testing a valid flag. This only passes with the workaround. |
| set(CMAKE_C_FLAGS -fembed-bitcode) |
| check_compiler_flag(C "-O" result2) |
| if(NOT result2) |
| message(FATAL_ERROR "False negative when -fembed-bitcode set in CMAKE_C_FLAGS") |
| endif() |
