[Kenichi Handa <address@hidden>] Emacs can't be built on IBM's AIX.

[Gerd Moellmann]

Josh, could you please help us with this AIX problem?

If you need access to an unofficial snapshot of our current sources,
please find it at <http://www.segv.de/emacs-21.0.90.tar.gz> and
<http://www.segv.de/leim-21.0.90.tar.gz>.

> --- Begin Message ---
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> Subject: 
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> Emacs can't be built on IBM's AIX.
>
>
>
>
> Date: 
>
> Wed, 8 Nov 2000 22:01:00 +0900 (JST)
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>
>
>
> Emacs can't be compiled on this system.
> % uname -a
> AIX aix 3 4 000B665D4C00
>
> And, with the following patch, at least compilation
> succeeded.
>
> ----------------------------------------------------------------------
> *** ibmrs6000.h.~1.37.~ Mon Aug 14 09:35:05 2000
> --- ibmrs6000.h Wed Nov  8 21:31:55 2000
> ***************
> *** 150,155 ****
> --- 150,163 ----
>   #define HAVE_SYSVIPC
>   /*** BUILD 9008 - FIONREAD problem still exists in X-Windows. ***/
>   #define BROKEN_FIONREAD
> + /* As we define BROKEN_FIONREAD, SIGIO will be undefined in systty.h.
> +    But, on AIX, SIGAIO, SIGPTY, and SIGPOLL are defined as SIGIO,
> +    which causes compilation error at init_signals in sysdep.c.  So, we
> +    define these macros so that syssignal.h detects them and undefine
> +    SIGAIO, SIGPTY and SIGPOLL.  */
> + #define BROKEN_SIGAIO
> + #define BROKEN_SIGPTY
> + #define BROKEN_SIGPOLL
>   
>   /* Don't try to include sioctl.h or ptem.h.  */
>   #undef NEED_SIOCTL
> ***************
> *** 181,187 ****
> --- 189,197 ----
>   #define LD_SWITCH_SITE -B/bin/
>   #endif
>   
> + #ifndef NLIST_STRUCT
>   /* AIX supposedly doesn't use this interface, but on the RS/6000
>      it apparently does.  */
>   #define NLIST_STRUCT
> + #endif
>   #endif /* USG5_4 */
> *** syssignal.h.~1.33.~ Mon Aug 14 09:33:41 2000
> --- syssignal.h Wed Nov  8 21:32:48 2000
> ***************
> *** 144,149 ****
> --- 144,156 ----
>   #if defined (SIGURG) && defined (BROKEN_SIGURG)
>   #undef SIGURG
>   #endif
> + #if defined (SIGAIO) && defined (BROKEN_SIGAIO)
> + #undef SIGAIO
> + #endif
> + #if defined (SIGPTY) && defined (BROKEN_SIGPTY)
> + #undef SIGPTY
> + #endif
> + 
>   
>   #if NSIG < NSIG_MINIMUM
>   # ifdef NSIG
> ----------------------------------------------------------------------
>
> But, the resulting emacs crashes at __start ().
>
> (gdb) run
> Starting program: /usr/local/work/fsf-emacs/src/emacs -geometry 80x40+0+0
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x1000018c in __start ()
> (gdb) bt
> #0  0x1000018c in __start ()
> #1  0xdeadbeef in ?? () from (unknown load module)
>
> I gave up at this point because I'm not familiar with AIX.
>
> ---
> Ken'ichi HANDA
> address@hidden
>
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> http://mail.gnu.org/mailman/listinfo/emacs-devel
>
>
> --- End Message ---