* Makefile.in: warn builders about maintainer-clean.

diff --git a/Makefile.in b/Makefile.in
index a4e4af2..a481a50 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -120,6 +120,8 @@ distclean: clean
        rm -f Makefile config.h config.log config.status
 
 maintainer-clean: program-clean
+       @echo 'This command is intended for maintainers to use; it'
+       @echo 'deletes files that may need special tools to rebuild.'
        rm -f $(graphics) font_guts font_guts.pov
 
 program-clean: