cmake/Modules/Compiler/XL-C.cmake

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2011-06-19 15:41:06 +03:00
include(Compiler/XL)
__compiler_xl(C)
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string(APPEND CMAKE_C_FLAGS_RELEASE_INIT " -DNDEBUG")
string(APPEND CMAKE_C_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
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# -qthreaded = Ensures that all optimizations will be thread-safe
string(APPEND CMAKE_C_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_C_COMPILER_VERSION VERSION_GREATER_EQUAL 10.1)
if (CMAKE_SYSTEM MATCHES "Linux.*ppc64le" AND
CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 13.1.1)
set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c89")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu89")
set(CMAKE_C99_STANDARD_COMPILE_OPTION "-std=c99")
set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-std=gnu99")
if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 13.1.2)
set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c11")
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11")
else ()
set(CMAKE_C11_STANDARD_COMPILE_OPTION "-qlanglvl=extc1x")
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-qlanglvl=extc1x")
endif ()
else ()
set(CMAKE_C90_STANDARD_COMPILE_OPTION "-qlanglvl=stdc89")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-qlanglvl=extc89")
set(CMAKE_C99_STANDARD_COMPILE_OPTION "-qlanglvl=stdc99")
set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-qlanglvl=extc99")
if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 12.1)
set(CMAKE_C11_STANDARD_COMPILE_OPTION "-qlanglvl=extc1x")
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-qlanglvl=extc1x")
endif ()
endif ()
endif()
__compiler_check_default_language_standard(C 10.1 90)