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Fix clang-cl warning flags: use /W4 instead of /Wall #86

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Fix clang-cl warning flags: use /W4 instead of /Wall #86

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8 changes: 7 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -122,7 +122,13 @@ elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.3.0)
message(FATAL_ERROR "llvm/clang 3.3 or higher required!")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
if("${CMAKE_CXX_SIMULATE_ID}" STREQUAL "MSVC" OR "${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}" STREQUAL "MSVC")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
add_definitions(-DUNICODE -DNOMINMAX)
set(CMAKE_DEBUG_POSTFIX _d)
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
endif()
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
if(MSVC_VERSION LESS 1900)
message(FATAL_ERROR "msvc 2015 or higher required!")
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