[Info-vax] C compiler snag

[Richard Whalen]

On Wednesday, May 19, 2021 at 7:57:10 AM UTC-4, Craig A. Berry wrote:
> On 5/19/21 4:51 AM, Richard Levitte wrote: 
> > Hey folks, 
> > 
> > it's been long since I've been present here... been all busy with 
> > OpenSSL, not much time for something else. 
> > 
> > Now, speaking of OpenSSL, I'm hitting an "interesting" snag that I 
> > can't seem to find a good solution for. It's easy to demonstrate, with 
> > this set of files: 
> > 
> > humpf.c 
> > [.incl]h.h 
> > something.h 
> > 
> > ----- humpf.c 
> > #include "./incl/h.h" 
> > 
> > int main() 
> > { 
> > } 
> > ----- 
> > 
> > ----- [.incl]h.h 
> > #include "../something.h" 
> > ----- 
> > 
> > ----- something.h 
> > int foo(void); 
> > ----- 
> > 
> > The content of those files isn't terribly interesting, but the inclusion sequence is, i.e. humpf.c includes "./incl/h.h" includes "../something.h". Structures like this may seem strange, but they do exist. So now for the snag: 
> > 
> > ----- 
> > $ cc humpf.c 
> > 
> > #include "../something.h" 
> > .^ 
> > %CC-F-NOINCLFILEF, Cannot find file "../something.h" specified in #include directive. 
> > at line number 1 in file USER:[LEVITTE.TEST.CC-INCL-2.INCL]h.h;1 
> > ----- 
> > 
> 
> > So my question is, is there any trick that I can do with the 
> > compiler to make this go through without error? i would rather not have to 
> > restructure the inclusion if I can.
> Have you tried specifying the current working directory in Unix format 
> on the command line: 
> cc/include="./" humpf.c 
> 
> ? 
> 
> I think I remember something like that being necessary for some 
> situation, but I'm not sure if it was this situation exactly. 
> 
> Other than that, SET WATCH FILE is your friend for figuring out where 
> exactly the compiler is looking for the file it can't find.
> > Version data: 
> > 
> > (alpha) $ cc/version 
> > VSI C V7.4-002 on OpenVMS Alpha V8.4-2L2 
> > 
> > (itanium) $ cc/version 
> > VSI C V7.4-001 on OpenVMS IA64 V8.4-2L1 
> >


I think that you need to look at /NESTED_INCLUDE_DIRECTORY