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| -rw-r--r-- | CMakeLists.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 1ac88e81547..87557b6e905 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1571,6 +1571,12 @@ endif() if(MSVC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17") + # Make MSVC properly report the value of the __cplusplus preprocessor macro + # Available MSVC 15.7 (1914) and up, without this it reports 199711L regardless + # of the C++ standard chosen above + if(MSVC_VERSION GREATER 1913) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:__cplusplus") + endif() elseif( CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang" OR |