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| author | Stephen Kelly <steveire@gmail.com> | 2014-05-06 09:59:12 (GMT) |
|---|---|---|
| committer | Stephen Kelly <steveire@gmail.com> | 2014-05-20 14:03:48 (GMT) |
| commit | cda233194f9caab8867b2451f3d859080a233d45 (patch) | |
| tree | 1d85f65b5a8ae0f4a79baa5bdac5fdd1888aad4f /Modules/Compiler/Clang-C.cmake | |
| parent | 2d5e3d2d2bfd79311c40db173d13f6d0cfb10019 (diff) | |
| download | CMake-cda233194f9caab8867b2451f3d859080a233d45.zip CMake-cda233194f9caab8867b2451f3d859080a233d45.tar.gz CMake-cda233194f9caab8867b2451f3d859080a233d45.tar.bz2 | |
Features: Record for Clang 3.4
Clang 3.4 supports all features currently known to CMake.
Diffstat (limited to 'Modules/Compiler/Clang-C.cmake')
| -rw-r--r-- | Modules/Compiler/Clang-C.cmake | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Modules/Compiler/Clang-C.cmake b/Modules/Compiler/Clang-C.cmake index 98fcd0b..05d3c0b 100644 --- a/Modules/Compiler/Clang-C.cmake +++ b/Modules/Compiler/Clang-C.cmake @@ -1,2 +1,38 @@ include(Compiler/Clang) __compiler_clang(C) + +cmake_policy(GET CMP0025 appleClangPolicy) +if(WIN32 OR (APPLE AND NOT appleClangPolicy STREQUAL NEW)) + return() +endif() + +if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4) + set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c90") + set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu90") + + set(CMAKE_C99_STANDARD_COMPILE_OPTION "-std=c99") + set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-std=gnu99") + + set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c11") + set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11") +endif() + +set(CMAKE_C_STANDARD_DEFAULT 90) + +macro(cmake_record_c_compile_features) + macro(_get_clang_features std_version list) + record_compiler_features(C "-std=${std_version}" ${list}) + endmacro() + + if (UNIX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4) + _get_clang_features(c11 CMAKE_C11_COMPILE_FEATURES) + if (_result EQUAL 0) + _get_clang_features(c99 CMAKE_C99_COMPILE_FEATURES) + endif() + if (_result EQUAL 0) + _get_clang_features(c90 CMAKE_C90_COMPILE_FEATURES) + endif() + else() + set(_result 0) + endif() +endmacro() |