diff -up xgalaga-2.1.1.0/Makefile.in.orig xgalaga-2.1.1.0/Makefile.in
--- xgalaga-2.1.1.0/Makefile.in.orig	2008-03-05 14:58:16.000000000 -0700
+++ xgalaga-2.1.1.0/Makefile.in	2013-06-16 15:12:24.000000000 -0600
@@ -15,8 +15,7 @@ exec_prefix = @exec_prefix@
 bindir = $(exec_prefix)
 libdir = $(prefix)/lib
 infodir = $(prefix)/info
-#mandir = @mandir@
-mandir = /usr/share/man
+mandir = @mandir@
 creditsfile = @CREDITSFILE@
 distversion = 2.1.1.0
 
@@ -65,8 +64,9 @@ install: all
 	for i in levels/*.xgl; do $(INSTALL) $$i $(DESTDIR)$(prefix)/$$i ; done
 	for i in sounds/*.raw; do $(INSTALL) $$i $(DESTDIR)$(prefix)/$$i ; done
 	$(INSTALL) CREDITS $(DESTDIR)$(creditsfile)
-	$(INSTALL) xgalaga.6x.gz $(mandir)/man6/xgalaga.6x.gz
-	chmod 644 $(mandir)/man6/xgalaga.6x.gz
+	./mkinstalldirs $(DESTDIR)$(mandir)/man6
+	$(INSTALL) xgalaga.6x.gz $(DESTDIR)$(mandir)/man6/xgalaga.6x.gz
+	chmod 644 $(DESTDIR)$(mandir)/man6/xgalaga.6x.gz
 #	touch $(prefix)/scores
 #	chmod 666 $(prefix)/scores
 #       chown ${GAMEOWN}:${GAMEGRP} $(prefix)/scores