Index: patch-2.5.4/Makefile.in
===================================================================
--- patch-2.5.4.orig/Makefile.in	2005-03-09 07:23:54.779311824 -0500
+++ patch-2.5.4/Makefile.in	2005-03-09 07:26:09.616813408 -0500
@@ -43,10 +43,11 @@
 PACKAGE_NAME = @PACKAGE_NAME@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 
+DESTDIR =
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 
-bindir = $(exec_prefix)/bin
+bindir = @bindir@
 
 # Where to put the manual pages.
 mandir = @mandir@
@@ -112,18 +113,18 @@
 	$(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(OBJS) $(LIBS)
 
 install:: all installdirs
-	$(INSTALL_PROGRAM) patch$(EXEEXT) $(bindir)/$(patch_name)$(EXEEXT)
-	-$(INSTALL_DATA) $(srcdir)/patch.man $(man1dir)/$(patch_name)$(man1ext)
+	$(INSTALL_PROGRAM) patch$(EXEEXT) $(DESTDIR)$(bindir)/$(patch_name)$(EXEEXT)
+	-$(INSTALL_DATA) $(srcdir)/patch.man $(DESTDIR)$(man1dir)/$(patch_name)$(man1ext)
 
 installdirs::
-	$(SHELL) $(srcdir)/mkinstalldirs $(bindir) $(man1dir)
+	$(SHELL) $(srcdir)/mkinstalldirs $(DESTDIR)$(bindir) $(DESTDIR)$(man1dir)
 
 install-strip::
 	$(MAKE) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' install
 
 uninstall::
-	rm -f $(bindir)/$(patch_name)$(EXEEXT)
-	rm -f $(man1dir)/$(patch_name)$(man1ext)
+	rm -f $(DESTDIR)$(bindir)/$(patch_name)$(EXEEXT)
+	rm -f $(DESTDIR)$(man1dir)/$(patch_name)$(man1ext)
 
 Makefile: Makefile.in $(CONFIG_STATUS)
 	$(SHELL) $(CONFIG_STATUS)