Re: 3.0 20010305 (prerelease) gen-num-limits.cc compile failure o n alpha-dec-osf4.0e

[RDBrown at mira dot net]

> > This won't do what the comment claims it will do.
> > This will always ignore all files named, "standards.h".
> > The comment says it is for Tru64 UNIX.  You must add
> > some selection or bypass criteria to ensure you do not
> > suppress the fixing of standards.h files that need fixes.

> This what the `select' text is for: it's taken from the V4.0F and V5.1
> <standards.h> files on Tru64 UNIX and may be a better criterion than some
> Digital Equipment copyright (which may well change to Compaq in the
> future).  Another option might be a

>          mach     = alpha*-dec-osf*;

> clause, but this might not hold for older (or newer) Tru64 releases.

> > > +fix = {
> > > +    hackname = AAA_standards;
> > > +    files    = standards.h;
> > > +    select   = 'GNU and MIPS C compilers define __STDC__ 
> > > differently';
> > > +    replace; /* empty replacement -> no fixing the file */
> > > +};

On alpha-dec-osf4.0e I hacked up the following. I don't think there was
a fixincluded standards.h before. That is, on osf4.0e at least I think
standards.h may need to be fixed.

--- /usr/include/standards.h	Sat Nov 14 07:19:49 1998
+++ /user/rand/rdb/src/gcc-20010305.obj/gcc/include/standards.h	Wed Mar  7 12:19:16 2001
 /* automation for non ANSI compilers */
 /*
  * GNU and MIPS C compilers define __STDC__ differently.
  *	MIPS: -std0 = undefined, -std = 0, -std1 = 1
  *	GNU:  -traditional = undefined, otherwise = 1
  */
 #ifdef __GNUC__
 
-#if !__STDC__
+#if !__STDC__ && !defined(__cplusplus)
 #ifndef _NO_PROTO
 #define _NO_PROTO
 #endif
 #ifndef _NONSTD_TYPES
 #define _NONSTD_TYPES
 #endif
 #endif
 
 #else	/* !__GNUC__ */
 
 #if !defined(__STDC__) && !defined(__cplusplus)



Maybe
#if __GNUC__ < 3 || (!__STDC__ && !defined(__cplusplus))
would be a better fix if it is needed.