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PGI: Explicitly specify CMAKE_CXX98_STANDARD_COMPILE_OPTION

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The PGI ( and NVIDIA HPC ) compilers default C++ standard level
are based on the GCC system headers it is compiling against.

Therefore on newer platforms the default C++ level will be >= 11
and requesting C++98 compilation mode will fail as no explicit
flag will be set.
This commit is contained in:
Robert Maynard
2021-02-24 10:06:26 -08:00
parent 6bfb2c6175
commit 72efd95add
1 changed files with 2 additions and 0 deletions
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2
Modules/Compiler/PGI-CXX.cmake
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@@ -8,6 +8,8 @@ if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 12.10)
set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION --gnu_extensions)
set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 13.10)
set(CMAKE_CXX98_STANDARD_COMPILE_OPTION --c++03)
set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION --c++03 --gnu_extensions)
set(CMAKE_CXX11_STANDARD_COMPILE_OPTION --c++11)
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION --c++11 --gnu_extensions)
set(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT ON)