Move some undefs from src/Makefile.in to configure.

* configure.in (cpp_undefs): Add mktime, register, X11.

* src/Makefile.in (mktime, X11, register): Move undefs to configure.

* admin/CPP-DEFINES: Remove X11.

ChangeLog

 2010-05-14  Glenn Morris  <rgm@gnu.org>
 
+	* configure.in (cpp_undefs): Add mktime, register, X11.
+
 	* configure.in (GPM_MOUSE_SUPPORT): Remove.
 	(MOUSE_SUPPORT, TOOLTIP_SUPPORT, WINDOW_SUPPORT): New output variables.
 	(HAVE_WINDOW_SYSTEM, HAVE_MOUSE): Move out of AC_BOTTOM.

admin/CPP-DEFINES

@@ -22,7 +22,6 @@ NS_IMPL_GNUSTEP	Compile support for GNUstep implementation of NS GUI API.
 NS_IMPL_COCOA	Compile support for Cocoa (Apple) implementation of NS GUI API.
 HAVE_X11	Compile support for the X11 GUI.
 HAVE_X_WINDOWS	Compile support for X Window system
-X11		??  Makefile.in suggests it's equivalent to HAVE_X11
 USE_LUCID	Use the Lucid toolkit for menus&scrollbars.  Requires HAVE_X11.
 USE_MOTIF	Use the Motif toolkit for menus&scrollbars.  Requires HAVE_X11.
 USE_GTK		Use the Gtk   toolkit for menus&scrollbars.  Requires HAVE_X11.

configure

@@ -26722,7 +26722,7 @@ test "${exec_prefix}" != NONE &&
 # the C preprocessor to some helpful value like 1, or maybe the empty
 # string.  Needless to say consequent macro substitutions are less
 # than conducive to the makefile finding the correct directory.
-cpp_undefs="`echo $srcdir $configuration $canonical unix |
+cpp_undefs="`echo $srcdir $configuration $canonical unix mktime register X11 |
   sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
   -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g'`"

configure.in

@@ -3622,7 +3622,10 @@ test "${exec_prefix}" != NONE &&
 # the C preprocessor to some helpful value like 1, or maybe the empty
 # string.  Needless to say consequent macro substitutions are less
 # than conducive to the makefile finding the correct directory.
-[cpp_undefs="`echo $srcdir $configuration $canonical unix |
+# src/Makefile.in used to treat X11 as equivalent to HAVE_X11.
+# But nothing in Emacs defines X11, and everywhere else uses HAVE_X11,
+# so that cannot have been doing anything.
+[cpp_undefs="`echo $srcdir $configuration $canonical unix mktime register X11 |
   sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
   -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g'`"]
 

src/ChangeLog

 2010-05-14  Glenn Morris  <rgm@gnu.org>
+	* Makefile.in (mktime, X11, register): Move undefs to configure.
+
 	* Makefile.in (MSDOS_OBJ): Default to empty, let msdos scripts set it.
 	(MSDOS_X_OBJ): New variable.
 	(MSDOS_SUPPORT_REAL): New constant.

src/Makefile.in

@@ -251,23 +251,6 @@ UNEXEC_OBJ = @unexec@
 DEPFLAGS = -MMD -MF deps/$*.d
 #endif
 
-/* Do not let the file name mktime.c get messed up.  */
-#ifdef mktime
-#undef mktime
-#endif
-
-/* Use HAVE_X11 as an alias for X11 in this file
-   to avoid problems with X11 as a subdirectory name
-   in -I and other such options which pass through this file.  */
-#ifdef X11
-#define HAVE_X11
-#undef X11
-#endif
-
-/* On some machines #define register is done in config;
-   do not let it interfere with this file.  */
-#undef register
-
 /* If NS_IMPL_GNUSTEP, some definitions and includes are expanded here.  */
 @NS_IMPL_GNUSTEP_INC@