#configureable stuff
#PREFIX ?= /usr/local
BINDIR=${PREFIX}/bin
MANDIR=${PREFIX}/man/man1
LIBDIR=${PREFIX}/lib/sendip
#For most systems, this works
INSTALL?=install
#For Solaris, you may need
#INSTALL=/usr/ucb/install

CFLAGS=	-fPIC -fsigned-char -pipe -Wall -Wpointer-arith -Wwrite-strings \
			-Wstrict-prototypes -Wnested-externs -Winline -Werror -g -Wcast-align \
			-DSENDIP_LIBS=\"${LIBDIR}\"
#-Wcast-align causes problems on solaris, but not serious ones
LDFLAGS=	-g -rdynamic -lm
#LDFLAGS_SOLARIS= -g -lsocket -lnsl -lm
LDFLAGS_SOLARIS= -g -lsocket -lnsl -lm -ldl
LDFLAGS_LINUX= -g  -rdynamic -ldl -lm
LIBCFLAGS= -shared
#CC=	gcc

PROGS= sendip
BASEPROTOS= ipv4.so ipv6.so
IPPROTOS= icmp.so tcp.so udp.so
UDPPROTOS= rip.so ripng.so ntp.so
TCPPROTOS= bgp.so
PROTOS= $(BASEPROTOS) $(IPPROTOS) $(UDPPROTOS) $(TCPPROTOS)
GLOBALOBJS= csum.o compact.o

all:	$(GLOBALOBJS) sendip $(PROTOS) sendip.1 sendip.spec

#there has to be a nice way to do this
sendip:	sendip.o	gnugetopt.o gnugetopt1.o compact.o
	sh -c "if [ `uname` = Linux ] ; then \
$(CC) -o $@ $(LDFLAGS_LINUX) $(CFLAGS) $+ ; \
elif [ `uname` = SunOS ] ; then \
$(CC) -o $@ $(LDFLAGS_SOLARIS) $(CFLAGS) $+ ;\
else \
$(CC) -o $@ $(LDFLAGS) $(CFLAGS) $+ ; \
fi"

sendip.1:	./help2man $(PROGS) $(PROTOS) VERSION
			./help2man -n "Send arbitrary IP packets" -N >sendip.1

sendip.spec:	sendip.spec.in VERSION
			echo -n '%define ver ' >sendip.spec
			cat VERSION >>sendip.spec
			cat sendip.spec.in >>sendip.spec

%.so: %.c $(GLOBALOBJS)
			$(CC) -o $@ $(CFLAGS) $(LIBCFLAGS) $+

.PHONY:	clean install

clean:
			rm -f *.o *~ *.so $(PROTOS) $(PROGS) core gmon.out

veryclean:
			make clean
			rm -f sendip.spec sendip.1

install:		all
			[ -d $(LIBDIR) ] || mkdir -p $(LIBDIR)
			[ -d $(BINDIR) ] || mkdir -p $(BINDIR)
			[ -d $(MANDIR) ] || mkdir -p $(MANDIR)
			$(INSTALL) -m 755 $(PROGS) $(BINDIR)
			$(INSTALL) -m 644 sendip.1 $(MANDIR)
			$(INSTALL) -m 755 $(PROTOS) $(LIBDIR)