gnupic: Using readline 4.2 with c++
Subject:
Re: Using readline 4.2 with c++
From:
John Sutton ####@####.####
Date:
6 Sep 2001 13:56:58 -0000
Message-Id: <01090611501902.27301@diva.localdomain>
Thanks for that Chet! (Grrr...)
On Wed, 05 Sep 2001, Chet Ramey wrote:
> > I'm having trouble building a package written in c++ (gpsim, a PIC emulat=
> > or)
> > which uses readline. The problem can be demonstrated by just handing c++=
> > a
> > 1 line file containing the #include:
> >
> > #include <readline/readline.h>
> >
> > The result is:
> >
> > In file included from /usr/include/readline/keymaps.h:37,
> > from /usr/include/readline/readline.h:36,
> > from try.c:1:
> > /usr/include/readline/rltypedefs.h:48: invalid exception specifications
> > /usr/include/readline/rltypedefs.h:51: invalid exception specifications
> > /usr/include/readline/rltypedefs.h:52: invalid exception specifications
> > etc
> >
> > This is exactly the same error as I get when trying to compile gpsim.
>
> The problem is with readline's use of the __P macro to write prototyped
> function definitions and typedefs. The GNU C library uses that macro,
> too, and in such a way that it breaks readline's typedef declarations.
>
> The next release of readline will no longer use __P.
>
> In the meantime, you should be able to work around the problem by adding
> the following lines to rlstdc.h, just after the `#define _RL_STDC_H':
>
> #ifdef __P
> # undef __P
> #endif
>
> Chet
>
> --
> ``The lyf so short, the craft so long to lerne.'' - Chaucer
> ( ``Discere est Dolere'' -- chet)
>
> Chet Ramey, CWRU ####@####.#### http://cnswww.cns.cwru.edu/~chet/
>
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--
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John Sutton
SCL Computer Services
URL http://www.scl.co.uk/
Tel. +44 (0) 1239 711 888
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