XL: C++14 language level flags are only available on Linux

Since commit 458ea9d76c (XL: Add C++14 language level flags, 2019-04-15,
v3.15.0-rc1~226^2) we use `-qlanglvl=extended1y` for C++14 with XL 16.1.
However, that flag is only supported on a Linux host.

Issue: #20521
This commit is contained in:
Brad King 2020-03-31 10:25:49 -04:00
parent e3185e3d1b
commit 4aaa9ea96c

View File

@ -18,7 +18,7 @@ if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.1)
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-qlanglvl=extended0x")
set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
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)