SrcFileCC Add-In is for running another C compiler using current source file, as second opinion, errors and warnings.
Sample SrcFileCC.ini or SrcFileCC64.ini [path]
ccpath=clang-cl.exe -W2 -Zl -GS- -Ox
include=C:\code\XXXX\include -Iinclude
path=C:\code\clang8\bin
[path64]
ccpath=clang-cl.exe -W2 -Zl -GS- -Os
ccpath1=cl.exe
include=C:\code\XXXX\include -Iinclude
path=C:\code\clang8\bin\x64
[options]
check_only=1
EDIT: for clang and Pelles C 9 headers, add -D__POCC__=900 -Wno-pragma-pack and make a modified copy of headers to new different folder.