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-rw-r--r--Modules/Compiler/XL-CXX.cmake39
1 files changed, 7 insertions, 32 deletions
diff --git a/Modules/Compiler/XL-CXX.cmake b/Modules/Compiler/XL-CXX.cmake
index b87e923..0026b4a 100644
--- a/Modules/Compiler/XL-CXX.cmake
+++ b/Modules/Compiler/XL-CXX.cmake
@@ -6,41 +6,16 @@ string(APPEND CMAKE_CXX_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
# -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_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.1)
- 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
- 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 ()
- else ()
+ if(CMAKE_SYSTEM MATCHES "Linux")
+ set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
+ set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
+ else()
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_CXX11_STANDARD_COMPILE_OPTION "-qlanglvl=extended0x")
+ set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-qlanglvl=extended0x")
endif ()
__compiler_check_default_language_standard(CXX 10.1 98)