master db23785: Remove Motif support

[Robert Pluim]

branch: master
commit db237850abc240e2c3e765e9cc7e15ee5681dcaf
Author: Robert Pluim <rpluim@gmail.com>
Commit: Robert Pluim <rpluim@gmail.com>

    Remove Motif support
    
    * configure.ac: Remove support for configuring --with-x-toolkit=motif
    
    * etc/NEWS: Mention removal of Motif support.
---
 configure.ac | 9 ++++-----
 etc/NEWS     | 3 +++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/configure.ac b/configure.ac
index 08f3c0c..12cf363 100644
--- a/configure.ac
+++ b/configure.ac
@@ -409,19 +409,18 @@ dnl This should be the last --with option, because 
--with-x is
 dnl added later on when we find the file name of X, and it's best to
 dnl keep them together visually.
 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
- [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, 
motif, no)])],
+ [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, 
no)])],
 [        case "${withval}" in
            y | ye | yes )      val=gtk ;;
            n | no )            val=no  ;;
            l | lu | luc | luci | lucid )       val=lucid ;;
            a | at | ath | athe | athen | athena )      val=athena ;;
-           m | mo | mot | moti | motif )       val=motif ;;
            g | gt | gtk  )     val=gtk ;;
            gtk2  )     val=gtk2 ;;
            gtk3  )     val=gtk3 ;;
            * )
 AC_MSG_ERROR(['--with-x-toolkit=$withval' is invalid;
-this option's value should be 'yes', 'no', 'lucid', 'athena', 'motif', 'gtk',
+this option's value should be 'yes', 'no', 'lucid', 'athena', 'gtk',
 'gtk2' or 'gtk3'.  'yes' and 'gtk' are synonyms.
 'athena' and 'lucid' are synonyms.])
            ;;
@@ -460,7 +459,7 @@ OPTION_DEFAULT_ON([harfbuzz],[don't use HarfBuzz for text 
shaping])
 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
 
-OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif/Xaw3d/GTK toolkit 
scroll bars])
+OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Xaw3d/GTK toolkit scroll 
bars])
 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
 OPTION_DEFAULT_ON([xim],[at runtime, default X11 XIM to off])
 OPTION_DEFAULT_ON([xdbe],[don't use X11 double buffering support])
@@ -2252,7 +2251,7 @@ if test "$window_system" = none && test "X$with_x" != 
"Xno"; then
    then
         AC_MSG_ERROR([You seem to be running X, but no X development libraries
 were found.  You should install the relevant development files for X
-and for the toolkit you want, such as Gtk+ or Motif.  Also make
+and for the toolkit you want, such as Gtk+.  Also make
 sure you have development files for image handling, i.e.
 tiff, gif, jpeg, png and xpm.
 If you are sure you want Emacs compiled without X window support, pass
diff --git a/etc/NEWS b/etc/NEWS
index 2f15f07..9a9c75f 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -24,6 +24,9 @@ applies, and please also update docstrings as needed.
 
 * Installation Changes in Emacs 28.1
 
+--
+** Support for building with Motif has been removed.
+
 ** Cairo graphics library is now used by default if found.
 '--with-cairo' is now the default, if the appropriate development files
 are found by 'configure'.  Note that building with Cairo means using