diff --git a/util/msrtool/Makefile.in b/util/msrtool/Makefile.in
index 3a6d3a9..f20dd9f 100644
--- a/util/msrtool/Makefile.in
+++ b/util/msrtool/Makefile.in
@@ -27,7 +27,7 @@
 LDFLAGS = @LDFLAGS@
 
 TARGETS = geodelx.o cs5536.o k8.o
-SYSTEMS = linux.o
+SYSTEMS = linux.o darwin.o
 OBJS    = $(PROGRAM).o msrutils.o sys.o $(SYSTEMS) $(TARGETS)
 
 all: $(PROGRAM)
@@ -39,9 +39,8 @@
 	$(CC) $(CFLAGS) -DVERSION='"@VERSION@"' -c $< -o $@
 
 install: $(PROGRAM)
-	$(INSTALL) $(PROGRAM) $(PREFIX)/sbin
-	mkdir -p $(PREFIX)/share/man/man8
-	$(INSTALL) $(PROGRAM).8 $(PREFIX)/share/man/man8
+	mkdir -p $(DESTDIR)$(PREFIX)/sbin
+	$(INSTALL) $(PROGRAM) $(DESTDIR)$(PREFIX)/sbin
 
 distprep: distclean Makefile.deps