Laurynas Biveinis wrote:- > Consider you have dummy.h and dummy.c (their content > doesn't matter, they can be empty), then the following > segfaults: > > ./cc1 -imacros ./dummy.h dummy.c > > If 'cc1' is replaced with 'cpp0', then it works. Also it > works if '-imacros' is replaced with '-include'. Thanks, I'll look into it. Neil.