File no-demos.patch of Package motif

diff -Nur motif-2.3.8/configure.ac new/configure.ac
--- motif-2.3.8/configure.ac	2017-12-05 13:43:54.000000000 +0100
+++ new/configure.ac	2022-04-24 02:36:04.663728800 +0200
@@ -305,7 +305,20 @@
 doc/man/man5/Makefile \
 tools/Makefile \
 tools/wml/Makefile \
-demos/Makefile \
+lib/Xm/xmstring.list \
+])
+
+AC_ARG_ENABLE(demos, [  --disable-demos
+                       Disable building demos])
+
+if test x$enable_demos = x
+then
+    enable_demos="yes"
+fi
+
+if test "$enable_demos" = "yes"
+then
+  AC_CONFIG_FILES([demos/Makefile
 demos/lib/Makefile \
 demos/lib/Xmd/Makefile \
 demos/lib/Wsm/Makefile \
@@ -389,6 +402,11 @@
 demos/doc/programGuide/ch17/Makefile \
 demos/doc/programGuide/ch17/simple_drop/Makefile \
 demos/doc/programGuide/ch17/simple_drag/Makefile \
-lib/Xm/xmstring.list \
-])
+  ])
+  MAYBE_DEMOS=demos
+else
+  MAYBE_DEMOS=
+fi
+AC_SUBST(MAYBE_DEMOS)
+
 AC_OUTPUT
diff -Nur motif-2.3.8/Makefile.am new/Makefile.am
--- motif-2.3.8/Makefile.am	2017-08-17 02:38:43.000000000 +0200
+++ new/Makefile.am	2022-04-24 02:36:04.663728800 +0200
@@ -28,6 +28,7 @@
              tools \
              clients \
              doc \
-             demos
+             $(MAYBE_DEMOS)
+
 AUTOMAKE_OPTIONS = 1.4
 ACLOCAL_AMFLAGS = -I .