# Enable warnings
if (LLVM_ENABLE_WARNINGS)
- append("/W4" msvc_warning_flags)
+ # Put /W4 in front of all the -we flags. cl.exe doesn't care, but for
+ # clang-cl having /W4 after the -we flags will re-enable the warnings
+ # disabled by -we.
+ set(msvc_warning_flags "/W4 ${msvc_warning_flags}")
# CMake appends /W3 by default, and having /W3 followed by /W4 will result in
# cl : Command line warning D9025 : overriding '/W3' with '/W4'. Since this is
# a command line warning and not a compiler warning, it cannot be suppressed except