| enable_language (Swift) | |
| include(CheckCompilerFlag) | |
| set(Swift 1) | |
| # test that the check uses an isolated locale | |
| set(_env_LC_ALL "${LC_ALL}") | |
| set(ENV{LC_ALL} "BAD") | |
| check_compiler_flag(Swift "-foo-as-blarpy" SHOULD_FAIL) | |
| if(SHOULD_FAIL) | |
| message(SEND_ERROR "invalid Swift compile flag didn't fail.") | |
| endif() | |
| check_compiler_flag(Swift "-Onone" SHOULD_WORK) | |
| if(NOT SHOULD_WORK) | |
| message(SEND_ERROR "Swift compiler flag '-Onone' check failed") | |
| endif() | |
| # Reset locale | |
| set(ENV{LC_ALL} ${_env_LC_ALL}) |