Index: Makefile
diff -u Makefile.orig Makefile
--- Makefile.orig	2010-10-03 01:21:01.000000000 +0900
+++ Makefile	2014-06-18 01:31:33.764515607 +0900
@@ -3,7 +3,9 @@
 #	make
 # For FreeBSD 2.X:
 #	make freebsd2
-# For FreeBSD 3.X or later:
+# For FreeBSD 3.X and 4.X:
+#	make freebsd3
+# For FreeBSD 5.X or later:
 #	make freebsd
 # For NetBSD 1.5 - 1.6.X
 #	make netbsd1
@@ -120,7 +122,7 @@
 export MANDIR SMANDIR MANDIRMODE MANMODE
 export OS_NAME OS_RELEASE
 
-enable_nls=1
+enable_nls?=1
 debug=0
 export enable_nls
 export debug
@@ -162,8 +164,8 @@
 	rm -f $(PKGCONFIGDIR)/gkrellm.pc
 
 install_gkrellm.pc:
-	$(INSTALL) -d $(PKGCONFIGDIR)
-	$(INSTALL) -m $(INCLUDEMODE) -c gkrellm.pc $(PKGCONFIGDIR)
+	$(INSTALL) -d $(DESTDIR)$(PKGCONFIGDIR)
+	$(INSTALL) -m $(INCLUDEMODE) -c gkrellm.pc $(DESTDIR)$(PKGCONFIGDIR)
 
 install_darwin install_darwin9 install_macosx: install_gkrellm.pc
 	(cd po && ${MAKE} install)