Index: Makefile
==================================================================
--- Makefile
+++ Makefile
@@ -1,16 +1,29 @@
 CC = gcc
 CFLAGS = -Wall -Werror -W -pthread -O3 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
 LDFLAGS = -pthread
 LIBS = -lpthread
+
+PREFIX = /usr/local
+prefix = $(PREFIX)
+bindir = $(prefix)/bin
+mandir = $(prefix)/share/man
+
+all: filed
 
 filed: filed.o
 	$(CC) $(CFLAGS) $(LDFLAGS) -o "$@" $^ $(LIBS)
 
 filed.o: filed.c
 
+install: filed filed.1
+	test -d "$(DESTDIR)$(mandir)/man1" || mkdir -p "$(DESTDIR)$(mandir)/man1"
+	test -d "$(DESTDIR)$(bindir)" || mkdir -p "$(DESTDIR)$(bindir)"
+	cp filed.1 "$(DESTDIR)$(mandir)/man1/"
+	cp filed "$(DESTDIR)$(bindir)/"
+
 clean:
 	rm -f filed filed.o
 
 distclean: clean
 
-.PHONY: clean distclean
+.PHONY: all install clean distclean