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Re: fixes for emacs on SPARC BSDi 4.2


From: Mark W. Snitily
Subject: Re: fixes for emacs on SPARC BSDi 4.2
Date: Sat, 23 Jun 2001 16:43:43 -0700

Should have added that in the top level emacs-20.7 directory, it was configured 
via:

  ./configure sparc-unknown-bsdi4.2

"Mark W. Snitily" wrote:
> 
> Paul,
> 
> One of the things I did this past week was to get emacs 20.7 up and running
> on SPARC BSDi 4.2.  Decided I had better comment the fixes (actually they are
> just workarounds, not "real" fixes) and email them to you before I forget.
> Am also cc'ing them to address@hidden
> 
>  -- Mark
> 
> *** src/s/bsd386.h.org  Wed May  7 15:20:37 1997
> --- src/s/bsd386.h      Sat Jun 23 19:08:34 2001
> ***************
> *** 11,18 ****
> --- 11,25 ----
>   #define SIGNALS_VIA_CHARACTERS
> 
>   #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base)
> +
> + #if 0
> + /* This is a workaround on SPARC BSDi 4.2.  These two #define's cause a
> +  * conflict with m/sparc.h.   I'm sure must be a better way than just
> +  * #ifdef'ing them out.  MWS 23-June-2001
> +  */
>   #define A_TEXT_OFFSET(x)    (sizeof (struct exec))
>   #define A_TEXT_SEEK(hdr) (N_TXTOFF(hdr) + A_TEXT_OFFSET(hdr))
> + #endif
> 
>   #define LIBS_DEBUG
>   #define LIB_X11_LIB -L/usr/X11/lib -lX11
> *** src/process.c.org   Tue May 23 15:10:16 2000
> --- src/process.c       Sat Jun 23 19:00:01 2001
> ***************
> *** 2479,2487 ****
>           FD_ZERO (&Available);
>         }
>         else
> !       nfds = select (max (max_process_desc, max_keyboard_desc) + 1,
> !                      &Available, (SELECT_TYPE *)0, (SELECT_TYPE *)0,
> !                      &timeout);
> 
>         xerrno = errno;
> 
> --- 2479,2501 ----
>           FD_ZERO (&Available);
>         }
>         else
> !         {
> !         /* This is a workaround on SPARC BSDi 4.2.  For some reason the
> !          * microseconds for the timeout value were being set to a
> !          * negative value causing select() to return an "invalid argument"
> !          * error message.
> !          *
> !          * The correct fix is to figure out why it's being set to a negative
> !          * value.  Setting it to zero here is just a workaround (i.e. hack)
> !          * that allows emacs to be "usable" on SPARC BSDi 4.2.
> !          * MWS 23-June-2001
> !          */
> !         if (timeout.tv_usec < 0) timeout.tv_usec = 0;
> !
> !         nfds = select (max (max_process_desc, max_keyboard_desc) + 1,
> !                        &Available, (SELECT_TYPE *)0, (SELECT_TYPE *)0,
> !                        &timeout);
> !       }
> 
>         xerrno = errno;



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