The following code is line 191-201, I have tested without this being set on OSX 10.11 using system clang and both self-built and brew installed wxwidgets with no problems, Whether its still an issue using gcc on osx or some other configuration i am unsure, but is it worth being more specific than just If APPLE for this bug-fix/workaround
# Using SYSTEM with INCLUDE_DIRECTORIES in conjunction with wxWidgets on # the Mac produces compiler errors. Set wxWidgets_INCLUDE_DIRS_NO_SYSTEM # to prevent UsewxWidgets.cmake from using SYSTEM. # # See cmake mailing list discussions for more info: # https://cmake.org/pipermail/cmake/2008-April/021115.html # https://cmake.org/pipermail/cmake/2008-April/021146.html # if(APPLE OR CMAKE_CXX_PLATFORM_ID MATCHES "OpenBSD") set(wxWidgets_INCLUDE_DIRS_NO_SYSTEM 1) endif() thanks Simon
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