On Apr 9, 2018, at 11:58 AM, Maynard, Chris <Christopher.Maynard@xxxxxxx> wrote:
> Maybe there’s a way to detect whether /Qspectre is supported by the compiler or not and omit it if it isn’t in order to avoid all of these warnings?
check_c_compiler_flag(-Qspectre C__Qspectre_VALID)
if(C__Qspectre_VALID)
set(CMAKE_C_FLAGS "-Qspectre ${CMAKE_C_FLAGS}")
endif(C__Qspectre_VALID)
and similar for C++. (I'm not sure whether you can use / or whether CMake expects - to be used even with Windows programs, translating it to / as necessary.)