Date: Mon, 16 Jul 2001 21:08:52 +0300 (WET)
From: Andris Pavenis <pavenis AT lanet DOT lv>
To: Laurynas Biveinis <lauras AT softhome DOT net>
Cc: djgpp AT delorie DOT com
Subject: Re: RHIDE using gcc 3.0 problem
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On Sat, 14 Jul 2001, Laurynas Biveinis wrote:

> 
> > #include <stdlib.h>
> > #include <stdio.h>
> > int main(void)
> > {
> >   printf("???!");
> >   return 1;
> > }
> > 
> > using -Wall, e.g. gcc -c -Wall test.c.
> > Results under RHIDE in an error-message
> >    test.c:6 Error:12: warning: trigraph ??! ignored
> > and compiling is stoped.
> > 
> > 
> > Beside this, what means this warning. Trigraph's in
> > a string? But this behavior isn't new with gcc 3.0.
> > Also older versions show this, but as a really
> > warning.
> 
> First of all, is this really the exact command line? I think
> the behaviour you desribe can be triggered only with -pedantic
> -Werror. At least -Werror _should_ be there, according to
> the compiler output. Trigraphs are in C language for hysterical
> reasons - the character sets in some older computers did not
> have symbols like [ ] { } etc required for C. Trigraphs replace
> them.
> 

RHIDE parses output of gcc to stderr and tries to interpret it.
It is perhaps interpretted in a incorretctly in this case.

Perhaps it would be better to simply use return code from GCC 
to find whether errors are detected. Maybe I'll change that 
sometime.

Andris