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CMake/MSVC: Mark headers in the libdir as system headers. 

This marks the headers in the LIBDIR as system headers
and changes the warn to /W0 on msvc versions that support it.

This resolves some warnings we would had to completely
repress otherwise.
This commit is contained in:
Ray Molenkamp 2019-05-25 12:13:06 -06:00
parent e1d1899e72
commit 161908157d
1 changed files with 6 additions and 0 deletions
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6
build_files/cmake/platform/platform_win32.cmake
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@ -190,6 +190,12 @@ if(NOT EXISTS "${LIBDIR}/")
message(FATAL_ERROR "Windows requires pre-compiled libs at: '${LIBDIR}'")
endif()
# Mark libdir as system headers with a lower warn level, to resolve some warnings
# that we have very little control over
if(MSVC_VERSION GREATER_EQUAL 1914)
add_definitions(/experimental:external /external:templates- /external:I "${LIBDIR}" /external:W0)
endif()
# Add each of our libraries to our cmake_prefix_path so find_package() could work
file(GLOB children RELATIVE ${LIBDIR} ${LIBDIR}/*)
foreach(child ${children})