make sure __cplusplus is defined under msvc

This commit is contained in:
gabime 2021-03-12 15:09:35 +02:00
parent 0613dbc4a2
commit 8f4efe57a2

View File

@ -30,6 +30,11 @@ if(NOT CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
# make sure __cplusplus is defined under msvc
if(MSVC)
string(APPEND CMAKE_CXX_FLAGS " /Zc:__cplusplus")
endif()
set(CMAKE_CXX_EXTENSIONS OFF)
if(CMAKE_SYSTEM_NAME MATCHES "CYGWIN" OR CMAKE_SYSTEM_NAME MATCHES "MSYS")