projects / libgit2.git / blame
| Commit | Line | Data |
|---|---|---|
| 5c8d5eac JG |
1 | # - Append compiler flag to CMAKE_C_FLAGS if compiler supports it |
| 2 | # ADD_C_FLAG_IF_SUPPORTED(<flag>) | |
| 3 | # <flag> - the compiler flag to test | |
| 4 | # This internally calls the CHECK_C_COMPILER_FLAG macro. | |
| 5 | ||
| e579e0f7 | 6 | include(CheckCCompilerFlag) |
| 5c8d5eac | 7 | |
| e579e0f7 MB |
8 | macro(ADD_C_FLAG _FLAG) |
| 9 | string(TOUPPER ${_FLAG} UPCASE) | |
| 10 | string(REGEX REPLACE "[-=]" "_" UPCASE_PRETTY ${UPCASE}) | |
| 11 | string(REGEX REPLACE "^_+" "" UPCASE_PRETTY ${UPCASE_PRETTY}) | |
| 12 | check_c_compiler_flag(${_FLAG} IS_${UPCASE_PRETTY}_SUPPORTED) | |
| ac3d33df | 13 | |
| e579e0f7 MB |
14 | if(IS_${UPCASE_PRETTY}_SUPPORTED) |
| 15 | set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_FLAG}") | |
| 16 | else() | |
| 17 | message(FATAL_ERROR "Required flag ${_FLAG} is not supported") | |
| 18 | endif() | |
| 19 | endmacro() | |
| ac3d33df | 20 | |
| e579e0f7 MB |
21 | macro(ADD_C_FLAG_IF_SUPPORTED _FLAG) |
| 22 | string(TOUPPER ${_FLAG} UPCASE) | |
| 23 | string(REGEX REPLACE "[-=]" "_" UPCASE_PRETTY ${UPCASE}) | |
| 24 | string(REGEX REPLACE "^_+" "" UPCASE_PRETTY ${UPCASE_PRETTY}) | |
| 25 | check_c_compiler_flag(${_FLAG} IS_${UPCASE_PRETTY}_SUPPORTED) | |
| 5c8d5eac | 26 | |
| e579e0f7 MB |
27 | if(IS_${UPCASE_PRETTY}_SUPPORTED) |
| 28 | set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_FLAG}") | |
| 29 | endif() | |
| 30 | endmacro() |