From: Maarten ter Huurne <maarten@treewalker.org>
Date: Sun, 14 Sep 2014 23:58:34 +0200
Subject: Do not create backup of old installed binary

This is a rather unusual feature that packagers will not expect.

Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
[baruch: update for 4.6.2]
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
 Makefile.in | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index 187a69b..65549e9 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -83,12 +83,9 @@ screen: $(OFILES)
 	    $(OPTIONS) $(CFLAGS) $<
 
 install_bin: .version screen installdirs
-	-if [ -f $(DESTDIR)$(bindir)/$(SCREEN) ] && [ ! -f $(DESTDIR)$(bindir)/$(SCREEN).old ]; \
-		then mv $(DESTDIR)$(bindir)/$(SCREEN) $(DESTDIR)$(bindir)/$(SCREEN).old; fi
 	$(INSTALL_PROGRAM) screen $(DESTDIR)$(bindir)/$(SCREEN)
 	-chown root $(DESTDIR)$(bindir)/$(SCREEN) && chmod 4755 $(DESTDIR)$(bindir)/$(SCREEN)
 # This doesn't work if $(bindir)/screen is a symlink
-	-if [ -f $(DESTDIR)$(bindir)/screen ] && [ ! -f $(DESTDIR)$(bindir)/screen.old ]; then mv $(DESTDIR)$(bindir)/screen $(DESTDIR)$(bindir)/screen.old; fi
 	rm -f $(DESTDIR)$(bindir)/screen
 	(cd $(DESTDIR)$(bindir) && ln -f -s $(SCREEN) screen)
 	cp $(srcdir)/utf8encodings/?? $(DESTDIR)$(SCREENENCODINGS)
@@ -113,7 +110,6 @@ installdirs:
 uninstall: .version
 	rm -f $(DESTDIR)$(bindir)/$(SCREEN)
 	rm -f $(DESTDIR)$(bindir)/screen
-	-mv $(DESTDIR)$(bindir)/screen.old $(DESTDIR)$(bindir)/screen
 	rm -f $(DESTDIR)$(ETCSCREENRC)
 	cd doc; $(MAKE) uninstall
 
-- 
1.8.4.5