| # - Check whether the C compiler supports a given flag. |
| # CHECK_C_COMPILER_FLAG(FLAG VARIABLE) |
| # |
| # FLAG - the compiler flag |
| # VARIABLE - variable to store the result |
| # |
| # This actually calls the check_c_source_compiles macro. |
| # See help for CheckCSourceCompiles for a listing of variables |
| # that can modify the build. |
| |
| # Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org> |
| # |
| # Redistribution and use is allowed according to the terms of the BSD license. |
| # For details see the accompanying COPYING-CMAKE-SCRIPTS file. |
| |
| |
| INCLUDE(CheckCSourceCompiles) |
| |
| MACRO (CHECK_C_COMPILER_FLAG _FLAG _RESULT) |
| SET(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}") |
| SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}") |
| CHECK_C_SOURCE_COMPILES("int main() { return 0;}" ${_RESULT}) |
| SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}") |
| ENDMACRO (CHECK_C_COMPILER_FLAG) |
| |
