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| author | Chuck Atkins <chuck.atkins@kitware.com> | 2017-04-27 21:16:04 (GMT) |
|---|---|---|
| committer | Chuck Atkins <chuck.atkins@kitware.com> | 2017-04-28 15:48:32 (GMT) |
| commit | 6555286c5551e3e051ba9814e9f02f62b2963446 (patch) | |
| tree | 4116b0f15e682018f629844b60c5ff67cb8e4cce /Modules/Compiler/XL-CXX.cmake | |
| parent | 54a4d28dcffddda52b886af091ddeb3d955c0b17 (diff) | |
| download | CMake-6555286c5551e3e051ba9814e9f02f62b2963446.zip CMake-6555286c5551e3e051ba9814e9f02f62b2963446.tar.gz CMake-6555286c5551e3e051ba9814e9f02f62b2963446.tar.bz2 | |
XL: Add C and C++ language level flags
Diffstat (limited to 'Modules/Compiler/XL-CXX.cmake')
| -rw-r--r-- | Modules/Compiler/XL-CXX.cmake | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/Modules/Compiler/XL-CXX.cmake b/Modules/Compiler/XL-CXX.cmake index 4fdc43e..98ccb29 100644 --- a/Modules/Compiler/XL-CXX.cmake +++ b/Modules/Compiler/XL-CXX.cmake @@ -3,8 +3,60 @@ __compiler_xl(CXX) string(APPEND CMAKE_CXX_FLAGS_RELEASE_INIT " -DNDEBUG") string(APPEND CMAKE_CXX_FLAGS_MINSIZEREL_INIT " -DNDEBUG") -# -qthreaded = Ensures that all optimizations will be thread-safe +# -qthreaded = Ensures that all optimizations will be thread-safe string(APPEND CMAKE_CXX_FLAGS_INIT " -qthreaded") +# XL v13.1.1 for Linux ppc64 little-endian switched to using a clang based +# front end and accepts the -std= option while only reserving -qlanglevel= for +# compatibility. All other versions (previous versions on Linux ppc64 +# little-endian, all versions on Linux ppc64 big-endian, all versions on AIX +# and BGQ, etc) are derived from the UNIX compiler and only accept the +# -qlanglvl option. +if (CMAKE_SYSTEM MATCHES "Linux.*ppc64") + if (CMAKE_SYSTEM MATCHES "Linux.*ppc64le" AND + CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 13.1.1) + set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98") + set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98") + if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 13.1.2) + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11") + set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y") + set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-qlanglvl=extended1y") + else () + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-qlanglvl=extended0x") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-qlanglvl=extended0x") + endif () + else () + # The non-clang based Linux ppc64 compiler, both big-endian and + # little-endian lacks, the non-extension language level flags + if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.1) + set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-qlanglvl=extended") + set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-qlanglvl=extended") + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-qlanglvl=extended0x") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-qlanglvl=extended0x") + endif () + endif () +else () + if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.1) + set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-qlanglvl=strict98") + set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-qlanglvl=extended") + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-qlanglvl=extended0x") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-qlanglvl=extended0x") + endif () +endif () + set(CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> -+ <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>") + +if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.1) + if (NOT CMAKE_CXX_COMPILER_FORCED) + if (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT) + message(FATAL_ERROR "CMAKE_CXX_STANDARD_COMPUTED_DEFAULT should be set for ${CMAKE_CXX_COMPILER_ID} (${CMAKE_CXX_COMPILER}) version ${CMAKE_CXX_COMPILER_VERSION}") + else () + set(CMAKE_CXX_STANDARD_DEFAULT ${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT}) + endif () + elseif (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT) + # Compiler id was forced so just guess the default standard level. + set(CMAKE_CXX_STANDARD_DEFAULT 98) + endif () +endif () |