Re: NEW failure in building Emacs 23.0.50 on Cygwin

[Stefan Monnier]

> It looks that this change:

> ------------------------------------------------------------------
> 2007-09-07  Stefan Monnier  <address@hidden>

>       * window.c (Vsplit_window_preferred_function): New var.
>       (Fdisplay_buffer): Use it.
>       (syms_of_window): Export, and initialize it.

> ------------------------------------------------------------------


> breaks the bootstrap of Emacs-CVS on Cygwin (at least):
> ------------------------------------------------------------------
> ...
> gcc -c  -Demacs -DHAVE_CONFIG_H -DUSE_LUCID  -I. -I/tmp/emacs/src
> -I/usr/X11R6/include   -g -O2 -Wno-pointer-sign  /tmp/emacs/src/window.c
> /tmp/emacs/src/window.c: In function 'Fdisplay_buffer':
> /tmp/emacs/src/window.c:3731: error: address of register variable 'buffer'
> requested
> make[2]: *** [window.o] Error 1
> make[2]: Leaving directory `/tmp/emacs/build/src'
> make[1]: *** [bootstrap-build] Error 2
> make[1]: Leaving directory `/tmp/emacs/build'
> make: *** [bootstrap] Error 2
> ------------------------------------------------------------------

I've just installed a (presumed) fix for it.

BTW, following the above bugreport, I've enabled conservative stack marking
in s/cygwin.h.


        Stefan