Remove some unused #define's, previously replaced by variables.

* configure.in (LD_SWITCH_X_SITE, C_SWITCH_X_SITE): Do not define.

* src/Makefile.in (LD_SWITCH_X_SITE): Define as a variable, not via cpp.
(LIBX_BASE): Use $LD_SWITCH_X_SITE.

* nt/config.nt (LD_SWITCH_X_SITE, C_SWITCH_X_SITE): Remove undefs.

* msdos/sed1v2.inp: Comment.

ChangeLog

+2010-05-13  Glenn Morris  <rgm@gnu.org>
+
+	* configure.in (LD_SWITCH_X_SITE, C_SWITCH_X_SITE): Do not define.
+
 2010-05-12  Glenn Morris  <rgm@gnu.org>
 
 	* configure.in (LIB_SRC_EXTRA_INSTALLABLES): Remove, unused.

configure.in

@@ -3012,6 +3012,7 @@ fi
 ### Use configuration here uncanonicalized to avoid exceeding size limits.
 AC_SUBST(version)
 AC_SUBST(configuration)
+## Unused?
 AC_SUBST(canonical)
 AC_SUBST(srcdir)
 AC_SUBST(prefix)
@@ -3033,6 +3034,9 @@ AC_SUBST(bitmapdir)
 AC_SUBST(gamedir)
 AC_SUBST(gameuser)
 AC_SUBST(unexec)
+## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
+## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
+## end of LIBX_BASE, but nothing ever set it.
 AC_SUBST(LD_SWITCH_X_SITE)
 AC_SUBST(C_SWITCH_X_SITE)
 AC_SUBST(C_SWITCH_X_SYSTEM)
@@ -3060,18 +3064,6 @@ AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
 		   [Define to the used machine dependent file.])
 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
 		   [Define to the used os dependent file.])
-AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
-[Define LD_SWITCH_X_SITE to contain any special flags your loader
- may need to deal with X Windows.  For instance, if you've defined
- HAVE_X_WINDOWS above and your X libraries aren't in a place that
- your loader can find on its own, you might want to add "-L/..." or
- something similar.])
-AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
-[Define C_SWITCH_X_SITE to contain any special flags your compiler
- may need to deal with X Windows.  For instance, if you've defined
- HAVE_X_WINDOWS above and your X include files aren't in a place
- that your compiler can find on its own, you might want to add
- "-I/..." or something similar.])
 
 XMENU_OBJ=
 XOBJ=

msdos/sed1v2.inp

@@ -46,6 +46,7 @@ s/\.h\.in/.h-in/
 /^C_SWITCH_SYSTEM *=/s/@C_SWITCH_SYSTEM@//
 /^C_SWITCH_X_SYSTEM *=/s/@C_SWITCH_X_SYSTEM@//
 /^C_SWITCH_X_SITE *=/s/@C_SWITCH_X_SITE@//
+#/^LD_SWITCH_X_SITE *=/s/@LD_SWITCH_X_SITE@//
 /^LD_SWITCH_SYSTEM_TEMACS *=/s/@LD_SWITCH_SYSTEM_TEMACS@//
 /^LD_SWITCH_X_SITE_AUX *=/s/@LD_SWITCH_X_SITE_AUX@//
 /^LD_SWITCH_X_SITE_AUX_RPATH *=/s/@LD_SWITCH_X_SITE_AUX_RPATH@//

nt/ChangeLog

+2010-05-13  Glenn Morris  <rgm@gnu.org>
+
+	* config.nt (LD_SWITCH_X_SITE, C_SWITCH_X_SITE): Remove undefs.
+
 2010-05-07  Chong Yidong  <cyd@stupidchicken.com>
 
 	* Version 23.2 released.

nt/config.nt

 /* GNU Emacs site configuration template file.  -*- C -*-
-   Copyright (C) 1988, 1993, 1994, 2001, 2002, 2003, 2004, 2005, 2006,
+
+Copyright (C) 1988, 1993, 1994, 2001, 2002, 2003, 2004, 2005, 2006,
   2007, 2008, 2009, 2010  Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
@@ -318,20 +319,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define subprocesses
 
-/* Define LD_SWITCH_X_SITE to contain any special flags your loader
-   may need to deal with X Windows.  For instance, if you've defined
-   HAVE_X_WINDOWS above and your X libraries aren't in a place that
-   your loader can find on its own, you might want to add "-L/..." or
-   something similar.  */
-#undef LD_SWITCH_X_SITE
-
-/* Define C_SWITCH_X_SITE to contain any special flags your compiler
-   may need to deal with X Windows.  For instance, if you've defined
-   HAVE_X_WINDOWS above and your X include files aren't in a place
-   that your compiler can find on its own, you might want to add
-   "-I/..." or something similar.  */
-#undef C_SWITCH_X_SITE
-
 /* Define STACK_DIRECTION here, but not if m/foo.h did.  */
 #ifndef STACK_DIRECTION
 #undef STACK_DIRECTION

src/ChangeLog

 2010-05-13  Glenn Morris  <rgm@gnu.org>
 
+	* Makefile.in (LD_SWITCH_X_SITE): Define as a variable, not via cpp.
+	(LIBX_BASE): Use $LD_SWITCH_X_SITE.
+
 	* Makefile.in (C_SWITCH_X_SYSTEM, C_SWITCH_X_SITE, LIB_STANDARD)
 	(LIB_MATH, FONTCONFIG_CFLAGS, FONTCONFIG_LIBS, FREETYPE_CFLAGS)
 	(FREETYPE_LIBS, LIBOTF_CFLAGS, LIBOTF_LIBS, M17N_FLT_CFLAGS)

src/Makefile.in

@@ -85,6 +85,15 @@ C_SWITCH_X_SYSTEM=@C_SWITCH_X_SYSTEM@
 ## This is used before C_SWITCH_X_SYSTEM and may override it.
 C_SWITCH_X_SITE=@C_SWITCH_X_SITE@
 
+## Define LD_SWITCH_X_SITE to contain any special flags your loader
+## may need to deal with X Windows.  For instance, if your X libraries
+## aren't in a place that your loader can find on its own, you might
+## want to add "-L/..." or something similar.  Only used if
+## HAVE_X_WINDOWS.
+## FIXME? configure sets a value for this, but it has never been
+## substituted in this or any other Makefile. Cf C_SWITCH_X_SITE.
+LD_SWITCH_X_SITE=
+
 ## This holds any special options for linking temacs only (ie, not
 ## used by configure).  Not used elsewhere because it sometimes
 ## contains options that have to do with using Emacs's crt0, 
@@ -241,11 +250,6 @@ DEPFLAGS = -MMD -MF deps/$*.d
    do not let it interfere with this file.  */
 #undef register
 
-/* This macro is for switches specifically related to X Windows.  */
-#ifndef LD_SWITCH_X_SITE
-#define LD_SWITCH_X_SITE
-#endif
-
 #ifdef NS_IMPL_GNUSTEP
 /* Pull in stuff from GNUstep-make. */
 FOUNDATION_LIB=gnu
@@ -296,7 +300,7 @@ LIBXMENU=
 #endif /* not HAVE_MENUS */
 
 LIBXT=$(TOOLKIT_LIBW) $(LIBXT_OTHER)
-LIBX_BASE=$(LIBXMENU) LD_SWITCH_X_SITE
+LIBX_BASE=$(LIBXMENU) $(LD_SWITCH_X_SITE)
 LIBX_OTHER=@LIBX_OTHER@
 #endif /* not HAVE_X_WINDOWS */