Remove src/s/msdos.h

* msdos/sed2v2.inp (MSDOS, DOS_NT, FLOAT_CHECK_DOMAIN)
(HAVE_INVERSE_HYPERBOLIC, DEVICE_SEP, IS_DIRECTORY_SEP, IS_ANY_SEP)
(INTERNAL_TERMINAL, NULL_DEVICE, SEPCHAR, USER_FULL_NAME)
(_setjmp, _longjmp): Move here from src/s/msdos.h.
(config_opsysfile, config_machfile): Remove.
* msdos/sed1v2.inp (M_FILE, S_FILE): Remove.
* msdos/mainmake.v2 (TAGS tags): Remove src/s/msdos.h.

* src/s/msdos.h: Remove file.
* src/conf_post.h [MSDOS]: New section, moved from s/msdos.h.
* src/Makefile.in (S_FILE): Remove.
(config_h): Remove S_FILE.

4 files changed, 48 insertions, 117 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 97e4d71baab..3640524b410 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,10 @@
+2012-08-01  Glenn Morris  <rgm@gnu.org>
+
+        * s/msdos.h: Remove file.
+        * conf_post.h [MSDOS]: New section, moved from s/msdos.h.
+        * Makefile.in (S_FILE): Remove.
+        (config_h): Remove S_FILE.
+
 2012-08-01  Juanma Barranquero  <lekktu@gmail.com>
 
         * s/ms-w32.h (DEVICE_SEP, IS_DIRECTORY_SEP, IS_ANY_SEP):
diff --git a/src/Makefile.in b/src/Makefile.in
index b8298dfa101..687b3ce9aac 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -56,9 +56,7 @@ lwlibdir = ../lwlib
 lispdir = ../lisp
 
 # Configuration files for .o files to depend on.
-# MS-DOS sets S_FILE non-nil.
-S_FILE = 
-config_h = config.h conf_post.h $(S_FILE)
+config_h = config.h conf_post.h
 
 bootstrap_exe = $(abs_builddir)/bootstrap-emacs$(EXEEXT)
 
diff --git a/src/conf_post.h b/src/conf_post.h
index c4a27c10d85..c69e961067e 100644
--- a/src/conf_post.h
+++ b/src/conf_post.h
@@ -74,6 +74,46 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define vfork fork
 #endif  /* DARWIN_OS */
 
+#ifdef MSDOS
+#ifndef __DJGPP__
+You lose; /* Emacs for DOS must be compiled with DJGPP */
+#endif
+#define _NAIVE_DOS_REGS
+
+/* Start of gnulib-related stuff  */
+
+/* lib/ftoastr.c wants strtold, but DJGPP only has _strtold.  DJGPP >
+   2.03 has it, but it also has _strtold as a stub that jumps to
+   strtold, so use _strtold in all versions.  */
+#define strtold _strtold
+
+#if __DJGPP__ > 2 || __DJGPP_MINOR__ > 3
+# define HAVE_LSTAT 1
+#else
+# define lstat stat
+#endif
+/* End of gnulib-related stuff.  */
+
+/* Define one of these for easier conditionals.  */
+#ifdef HAVE_X_WINDOWS
+/* We need a little extra space, see ../../lisp/loadup.el and the
+   commentary below, in the non-X branch.  The 140KB number was
+   measured on GNU/Linux and on MS-Windows.  */
+#define SYSTEM_PURESIZE_EXTRA (-170000+140000)
+#else
+/* We need a little extra space, see ../../lisp/loadup.el.
+   As of 20091024, DOS-specific files use up 62KB of pure space.  But
+   overall, we end up wasting 130KB of pure space, because
+   BASE_PURESIZE starts at 1.47MB, while we need only 1.3MB (including
+   non-DOS specific files and load history; the latter is about 55K,
+   but depends on the depth of the top-level Emacs directory in the
+   directory tree).  Given the unknown policy of different DPMI
+   hosts regarding loading of untouched pages, I'm not going to risk
+   enlarging Emacs footprint by another 100+ KBytes.  */
+#define SYSTEM_PURESIZE_EXTRA (-170000+65000)
+#endif
+#endif MSDOS                    /* MSDOS */
+
 /* We have to go this route, rather than the old hpux9 approach of
    renaming the functions via macros.  The system's stdlib.h has fully
    prototyped declarations, which yields a conflicting definition of
diff --git a/src/s/msdos.h b/src/s/msdos.h
deleted file mode 100644
index 15112dad7a7..00000000000
--- a/src/s/msdos.h
+++ /dev/null
@@ -1,114 +0,0 @@
-/* System description file for MS-DOS
-
-Copyright (C) 1993, 1996-1997, 2001-2012 Free Software Foundation, Inc.
-
-This file is part of GNU Emacs.
-
-GNU Emacs is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-GNU Emacs is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
-
-/* Note: lots of stuff here was taken from s-msdos.h in demacs. */
-
-
-/* Define symbols to identify the version of Unix this is.
-   Define all the symbols that apply correctly.  */
-#ifndef MSDOS
-#define MSDOS
-#endif
-
-#ifndef __DJGPP__
-You lose; /* Emacs for DOS must be compiled with DJGPP */
-#endif
-
-#define DOS_NT  /* MSDOS or WINDOWSNT */
-
-/* subprocesses should be defined if you want to have code for
-   asynchronous subprocesses (as used in M-x compile and M-x shell).
-   This is the only system that needs this.  */
-#undef subprocesses
-
-/* Here, on a separate page, add any special hacks needed to make
-   Emacs work on this system.  For example, you might define certain
-   system call names that don't exist on your system, or that do
-   different things on your system and must be used only through an
-   encapsulation (which you should place, by convention, in sysdep.c).  */
-
-/* This overrides the default value on editfns.c, since DJGPP
-   does not have pw->pw_gecos.  */
-#define USER_FULL_NAME (getenv ("NAME"))
-
-/* setjmp and longjmp can safely replace _setjmp and _longjmp,
-   but they will run slower.  */
-#define _setjmp setjmp
-#define _longjmp longjmp
-
-#define _NAIVE_DOS_REGS
-
-/* Used by emacs.c:decode_env_path.  */
-#define SEPCHAR ';'
-
-/* Used by callproc.c (and process.c, but in the part not compiled on
-   MSDOS).  The default is defined on process.h.  */
-#define NULL_DEVICE "nul"
-
-/* Used by floatfns.c.  */
-#define HAVE_INVERSE_HYPERBOLIC
-#define FLOAT_CHECK_DOMAIN
-
-/* Start of gnulib-related stuff  */
-
-/* lib/ftoastr.c wants strtold, but DJGPP only has _strtold.  DJGPP >
-   2.03 has it, but it also has _strtold as a stub that jumps to
-   strtold, so use _strtold in all versions.  */
-#define strtold _strtold
-
-#if __DJGPP__ > 2 || __DJGPP_MINOR__ > 3
-# define HAVE_LSTAT 1
-#else
-# define lstat stat
-#endif
-
-/* End of gnulib-related stuff.  */
-
-/* When $TERM is "internal" then this is substituted:  */
-#define INTERNAL_TERMINAL "pc|bios|IBM PC with color display:\
-:co#80:li#25:Co#16:pa#256:km:ms:cm=<CM>:cl=<CL>:ce=<CE>:\
-:se=</SO>:so=<SO>:us=<UL>:ue=</UL>:md=<BD>:mh=<DIM>:mb=<BL>:mr=<RV>:me=<NV>:\
-:AB=<BG %d>:AF=<FG %d>:op=<DefC>:"
-
-/* Define this to be the separator between devices and paths.  Used by
-   lisp.h to define IS_DEVICE_SEP.  */
-#define DEVICE_SEP ':'
-
-/* We'll support either convention of slashes on MSDOS.  */
-#define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
-#define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
-
-/* Define one of these for easier conditionals.  */
-#ifdef HAVE_X_WINDOWS
-/* We need a little extra space, see ../../lisp/loadup.el and the
-   commentary below, in the non-X branch.  The 140KB number was
-   measured on GNU/Linux and on MS-Windows.  */
-#define SYSTEM_PURESIZE_EXTRA (-170000+140000)
-#else
-/* We need a little extra space, see ../../lisp/loadup.el.
-   As of 20091024, DOS-specific files use up 62KB of pure space.  But
-   overall, we end up wasting 130KB of pure space, because
-   BASE_PURESIZE starts at 1.47MB, while we need only 1.3MB (including
-   non-DOS specific files and load history; the latter is about 55K,
-   but depends on the depth of the top-level Emacs directory in the
-   directory tree).  Given the unknown policy of different DPMI
-   hosts regarding loading of untouched pages, I'm not going to risk
-   enlarging Emacs footprint by another 100+ KBytes.  */
-#define SYSTEM_PURESIZE_EXTRA (-170000+65000)
-#endif