problem building 0.15.7

[David Relson]

On Mon, 8 Dec 2003 15:45:49 -0500 (EST)
Dave Lovelace <dave at firstcomp.biz> wrote:

> A followup, after a bit more investigation:
> I tried running globals.c, with all the same command-line stuff (well,
> the appropriate parts) but doing gcc -E to just look at the
> preprocessor output. That section that I posted in the previous
> message, that read:
> > ----snip----snip----snip----snip----snip----snip----snip----snip---
> > -snip---- 88:
> > 89:typedef enum ex_e { EX_SPAM	= RC_SPAM,
> > 90:		    EX_HAM	= RC_HAM,
> > 91:		    EX_UNSURE	= RC_UNSURE,
> > 92:		    EX_OK	= 0,
> > 93:		    EX_ERROR	= 3 } ex_t;
> > ----snip----snip----snip----snip----snip----snip----snip----snip---
> > -snip----
> 
> comes out of the preprocessor as:
> ----snip----snip----snip----snip----snip----snip----snip----snip----s
> nip---- typedef enum ex_e { EX_SPAM     = RC_SPAM,
>                     EX_HAM      = RC_HAM,
>                     EX_UNSURE   = RC_UNSURE,
>                     020         = 0,
>                     EX_ERROR    = 3 } ex_t;
> ----snip----snip----snip----snip----snip----snip----snip----snip----s
> nip----
> 
> So it looks as though EX_OK is defined somewhere as 020 (or 16
> decimal), and that this is getting in the way.  Searching through all
> the standard header files, I find it in
> /usr/include/sys/_int_unistd.h:#define EX_OK 020
> I presume this is ultimately included from /usr/include/unistd.h or
> something like that, but don't know.  The relevant line is buried
> inside all kinds of dependencies, or appears at a glance to be.
> 
> Again, any help is most appreciated.  I suppose I can just grep for it
> in all the source files & change EX_OK everywhere to something else.
> I really hate to have to use a hack like that.


Dave,

Good work!  Every compiler and operating system has preprocessor symbols
that are unique to it.  Assuming __DGUX__ is such a symbol, try adding
the following before the typedef:

#ifdef __DGUX__
#undef EX_OK
#endif


Let me know what the unique symbol is, and we'll add something to
system.h