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Merge topic 'xl-cxx14' into release-3.17

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46d9006efa XL: Add comment clarifying why we pretend it has full C++11/14 support
4aaa9ea96c XL: C++14 language level flags are only available on Linux

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !4551
This commit is contained in:
Brad King
2020-04-01 14:42:10 +00:00
committed by Kitware Robot
parent 8a0d0cbddd 46d9006efa
commit 9b32801859
1 changed files with 7 additions and 1 deletions
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Modules/Compiler/XL-CXX.cmake
+7 -1
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@@ -17,8 +17,14 @@ if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.1)
set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-qlanglvl=extended0x")
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-qlanglvl=extended0x")
set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
# XL does not really have full C++11 or C++14 support, but since we do not
# have a granular XL-CXX-FeatureTests table for it just pretend it does.
# This way projects that specify granular features will at least get a
# compiler mode for the corresponding standard.
set(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT ON)
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 16.1.0)
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 16.1.0 AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-qlanglvl=extended1y")
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-qlanglvl=extended1y")
set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON)