SrcFileCC2 Add-In for v9, a second opinion insert a button to toolbar for additional compilers, to make easy way to use another C compiler to show errors and warnings.
It use SrcFileCC2x64.ini file for options.
[compiler0]
title=msvc
ccpath=cl.exe -c -wd4103 -wd4068 -Drestrict=__restrict
include=C:\code\WDDK710\include
path=C:\code\msvc2019\bin
[compiler1]
title=msvc x64
ccpath=cl.exe -c -wd4103 -wd4068 -Drestrict=__restrict
include=C:\code\WDDK710\include
path=C:\code\msvc2019\bin\x64
[options]
check_only=1
for msvc 2019 using Pelles C 9 headersccpath=cl.exe -c -wd4103 -wd4068 -Drestrict=__restrict -D__POCC__=900 -D__POCC_TARGET__=1 -D__WCHAR_TYPE__=short -D__SIZE_TYPE__=__int32 -D__midl
or for x64ccpath=cl.exe -c -wd4103 -wd4068 -Drestrict=__restrict -D__POCC__=900 -D__POCC_TARGET__=3 -D__WCHAR_TYPE__=short -D__SIZE_TYPE__=__int64 -D__midl
for clang-D__POCC__=900 -D__POCC_TARGET__=1
or for x64-D__POCC__=900 -D__POCC_TARGET__=3
but clang emits errors in winnt.h, so copy of modified headers are usable.