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Re: ieeefp.h: C++ guards
- From: Corinna Vinschen <vinschen at redhat dot com>
- To: newlib at sources dot redhat dot com
- Cc: cygwin at cygwin dot com
- Date: Mon, 7 Nov 2005 18:00:37 +0100
- Subject: Re: ieeefp.h: C++ guards
- References: <436E8689.7040601@users.sourceforge.net> <20051107162929.GL2988@calimero.vinschen.de> <436F84AF.1080801@redhat.com>
- Reply-to: newlib at sources dot redhat dot com
On Nov 7 11:45, Jeff Johnston wrote:
> Corinna Vinschen wrote:
> >On Nov 6 16:41, Yaakov S (Cygwin Ports) wrote:
> >
> >>The ieeefp.h header does not contain C++ guards. Is there a reason for
> >>this?
> >>
> >>This particularly affects C++ perl extensions, as perl.h includes
> >>ieeefp.h, although I just ran across another, non-perl case where it
> >>caused a compilation error.
> >>
> >>
> >>Yaakov
> >
> >
> >This is a newlib issue since ieeefp.h is a newlib header file. I've
> >redirected to the newlib list. A patch like the below should do the
> >trick. Jeff?
> >
>
> Seems very sensible considering that a number of the identifiers are
> also declared in math.h and protected there (e.g. isnan).
>
> -- Jeff J.
Thanks, applied without the copy/pasted #define's :-}
Corinna
> > * libc/include/ieeefp.h: Add C++ guards.
> >
> >
> >Index: libc/include/ieeefp.h
> >===================================================================
> >RCS file: /cvs/src/src/newlib/libc/include/ieeefp.h,v
> >retrieving revision 1.1.1.1
> >diff -u -p -r1.1.1.1 ieeefp.h
> >--- libc/include/ieeefp.h 17 Feb 2000 19:39:46 -0000 1.1.1.1
> >+++ libc/include/ieeefp.h 7 Nov 2005 16:26:24 -0000
> >@@ -5,6 +5,8 @@
> >
> > #include <machine/ieeefp.h>
> >
> >+#define _BEGIN_STD_C
> >+
> > /* FIXME FIXME FIXME:
> > Neither of __ieee_{float,double}_shape_tape seem to be used anywhere
> > except in libm/test. If that is the case, please delete these from
> > here.
> >@@ -238,4 +240,6 @@ int _EXFUN(finitef, (float));
> >
> > #endif /* _DOUBLE_IS_32BITS */
> >
> >+#define _END_STD_C
> >+
> > #endif /* _IEEE_FP_H_ */
> >
> >
--
Corinna Vinschen
Cygwin Project Co-Leader
Red Hat, Inc.