--- Makefile.orig	2020-05-26 04:29:37 UTC
+++ Makefile
@@ -9,9 +9,9 @@
 
 # User-definable stuff:
 
-CC=gcc
-PREFIX=/usr/local
-MAN_PREFIX=$(PREFIX)
+#CC=gcc
+#PREFIX=/usr/local
+MAN_PREFIX=$(PREFIX)/share
 BIN_PREFIX=$(PREFIX)/bin
 DATA_PREFIX=$(PREFIX)/share/defendguin/
 JOY=YES
@@ -40,14 +40,14 @@ install:	defendguin
 
 .PHONY: install
 install:	defendguin
-	install -d $(DATA_PREFIX)
-	cp -R data/* $(DATA_PREFIX)
-	chmod -R a+rX,g-w,o-w $(DATA_PREFIX)
-	cp defendguin $(BIN_PREFIX)/
-	chmod a+rx,g-w,o-w $(BIN_PREFIX)/defendguin
-	-mkdir -p $(MAN_PREFIX)/man/man6/
-	cp src/defendguin.6 $(MAN_PREFIX)/man/man6/
-	chmod a+rx,g-w,o-w $(MAN_PREFIX)/man/man6/defendguin.6
+	install -d $(DESTDIR)$(DATA_PREFIX)
+	cp -R data/* $(DESTDIR)$(DATA_PREFIX)
+	chmod -R a+rX,g-w,o-w $(DESTDIR)$(DATA_PREFIX)
+	cp defendguin $(DESTDIR)$(BIN_PREFIX)/
+	chmod a+rx,g-w,o-w $(DESTDIR)$(BIN_PREFIX)/defendguin
+	-mkdir -p $(DESTDIR)$(MAN_PREFIX)/man/man6/
+	cp src/defendguin.6 $(DESTDIR)$(MAN_PREFIX)/man/man6/
+	chmod a+rx,g-w,o-w $(DESTDIR)$(MAN_PREFIX)/man/man6/defendguin.6
 
 .PHONY: uninstall
 uninstall: