GNU bug report logs - #9960
Compiling Emacs trunk with MSVC

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From: Christoph Scholtes <cschol2112 <at> googlemail.com>
To: Fabrice Popineau <fabrice.popineau <at> supelec.fr>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 9960 <at> debbugs.gnu.org
Subject: bug#9960: Compiling Emacs trunk with MSVC
Date: Sat, 12 Nov 2011 10:10:34 -0700

On 11/10/2011 12:56 PM, Fabrice Popineau wrote:

> Status is :
> - completely functional 32 bits version with xpm, gif, jpeg, tiff. Able
> to boostrap itself.
> - the 64 bits version compiles and dumps, but fails to bootstrap (seems
> to be looping inside elisp code).

On a clean checkout or after make maintainer-clean `getopt.h' needs to 
be regenerated. In order for this to work with nmake I needed to make 
the following change:

=== modified file 'lib/makefile.w32-in'
--- lib/makefile.w32-in	2011-11-05 11:34:56 +0000
+++ lib/makefile.w32-in	2011-11-06 13:34:03 +0000
@@ -212,7 +212,7 @@

 HAVE_GETOPT_H = HAVE_GETOPT_H
 INCLUDE_NEXT = include_next
-PRAGMA_SYSTEM_HEADER = \#pragma GCC system_header
+PRAGMA_SYSTEM_HEADER = ^#pragma GCC system_header
 PRAGMA_COLUMNS =
 NEXT_GETOPT_H = <getopt.h>
 ARG_NONNULL_H = ../build-aux/snippet/arg-nonnull.h

This is not meant as a permanent fix, but just an example of what is 
necessary to make it work with nmake.

See:
http://msdn.microsoft.com/en-us/library/f8txf85h%28v=vs.80%29.aspx

Should we define an ESCAPE_SPECIAL_CHAR variable in 
nmake.defs/gmake.defs to handle this or is there a way to make the 
platform specific decision in the makefile.w32-in without too much 
duplication?

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