--- /dev/null
+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>
+---
+ 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
+- -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
+