makefile commands

Makefile

@@ -1,4 +1,40 @@
-rush: rush.c color.c constants.h history.c commands.c
-	gcc -o rush rush.c color.c history.c commands.c
-all:
-	rush
+CC=gcc
+
+VERSION = 0.1
+PREFIX = /usr/local
+MANPREFIX = ${PREFIX}/share/man
+
+CFLAGS = -std=c99 -O0 -Wall -DVERSION=\"${VERSION}\"
+
+SRC = rush.c color.c constants.h history.c commands.c
+OBJ = ${SRC:.c=.o}
+
+.c.o:
+	${CC} -c ${CFLAGS} $<
+
+rush: ${OBJ}
+	${CC} -o $@ ${OBJ}
+
+clean:
+	rm -rf rush
+
+dist:
+	mkdir -p rush-${VERSION}
+	cp -R LICENSE Makefile README.md rush.1 rush rush-${VERSION}
+	tar -cf rush-${VERSION}.tar rush-${VERSION}
+	gzip rush-${VERSION}.tar
+	rm -rf rush-${VERSION}
+
+install: all
+	mkdir -p ${DESTDIR}${PREFIX}/bin
+	cp -f rush ${DESTDIR}${PREFIX}/bin
+	chmod 755 ${DESTDIR}${PREFIX}/bin/rush
+	mkdir -p ${DESTDIR}${MANPREFIX}/man1
+	chmod 644 ${DESTDIR}${MANPREFIX}/man1/rush.1
+
+uninstall:
+	rm -f ${DESTDIR}${PREFIX}/bin/rush\
+		${DESTDIR}${MANPREFIX}/man1/rush.1
+all: rush
+
+.PHONY: all clean dist install uninstall rush