diff --git a/TODO b/TODO
index e69de29..0f5b3c8 100644
--- a/TODO
+++ b/TODO
@@ -0,0 +1 @@
+- add more tools
diff --git a/src/Makefile b/src/Makefile
index 19b36d5..70f249c 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,13 +1,54 @@
-CFLAGS = -Wall -Werror
+#!/usr/bin/make -f
+
+prefix = /usr/local
+bindir = $(prefix)/bin
+man1dir = $(prefix)/share/man/man1
+man7dir = $(prefix)/share/man/man7
+docdir = $(prefix)/share/doc/netre-tools
+
+mansrc = ../man
+
 TARGETS = pmerge puniq p4split hdng xor unhex repr
 
-all: fake-configh $(TARGETS)
+all: config.h $(TARGETS)
 
 pmerge: pmerge.o pcap.o
 puniq: puniq.o pcap.o
 p4split: p4split.c pcap.o
 
-fake-configh:
+CC = gcc
+CFLAGS = -g -O2 -std=c99
+CPPFLAGS = -D_GNU_SOURCE
+
+# debug:
+# CFLAGS += -g -ggdb -O0
+# CFLAGS += -Wno-long-long -Wall -W -Wnested-externs -Wformat=2
+# CFLAGS += -Wstrict-prototypes
+# CFLAGS += -Wwrite-strings -Wshadow -Wpointer-arith -Wsign-compare
+# CFLAGS += -Wundef -Wbad-function-cast -Winline -Wcast-align -Wno-pointer-sign
+# CPPFLAGS += -DDEBUGSTMTS
+# INSTALL = install
+
+INSTALL = install -s
+INSTALL_DATA = install
+LN_S = ln -s
+
+install:
+	for target in $(TARGETS); do \
+		$(INSTALL) -D -m 755 $$target $(DESTDIR)$(bindir)/$$target; \
+		$(INSTALL_DATA) -D -m 644 $(mansrc)/$$target.mdoc $(DESTDIR)$(man1dir)/$$target.1; \
+	done
+	$(INSTALL_DATA) -D -m 644 $(mansrc)/netre-tools.mdoc $(DESTDIR)$(man7dir)/netre-tools.7
+	(cd $(DESTDIR)$(bindir); \
+		$(LN_S) xor rot; \
+		$(LN_S) xor rol; \
+		$(LN_S) xor caesar; )
+	(cd $(DESTDIR)$(man1dir); \
+		$(LN_S) xor.1 rot.1; \
+		$(LN_S) xor.1 rol.1; \
+		$(LN_S) xor.1 caesar.1; )
+
+config.h:
 	echo "#define PACKAGE_VERSION \"0.1337\"" > config.h
 
 clean: