#
# EMULAB-COPYRIGHT
# Copyright (c) 2000-2009 University of Utah and the Flux Group.
# All rights reserved.
#

SRCDIR          = @srcdir@
TESTBED_SRCDIR  = @top_srcdir@
OBJDIR          = ../..
SUBDIR          = tools/pcapper
SYSTEM	       := $(shell uname -s)

include $(OBJDIR)/Makeconf

all: pcapper

include $(TESTBED_SRCDIR)/GNUmakerules

WITH_LTHREADS = 0

ifeq ($(SYSTEM),FreeBSD)
FBSDREL	:= $(shell uname -r | sed -e 's/\([^-][^-]*\)-.*/\1/')
FBSDMAJ := $(basename $(FBSDREL))
ifneq ($(FBSDMAJ),7)
ifneq ($(FBSDMAJ),8)
WITH_LTHREADS = 1
endif
endif
endif

ifeq ($(WITH_LTHREADS),1)
PTHREADCFLAGS += -D_THREAD_SAFE -I/usr/local/include/pthread/linuxthreads
PTHREADLIBS   = -L/usr/local/lib -llthread -llgcc_r
else
PTHREADCFLAGS = -D_THREAD_SAFE
PTHREADLIBS   = -lpthread
endif

ELVINFLAGS    = -I/usr/local/include
ELVINLIBS     = -L/usr/local/lib -lpubsub -lm
EVENTFLAGS    = -DEVENTSYS -I$(TESTBED_SRCDIR)/event/lib $(ELVINFLAGS)
EVENTOBJS     = $(OBJDIR)/event/lib/event.o $(OBJDIR)/event/lib/util.o
EVENTLIBS     = $(ELVINLIBS) -lcrypto

TBCFLAGS      = $(EVENTFLAGS) -I$(TESTBED_SRCDIR)/lib/libtb
TBLIBS        = $(EVENTOBJS) $(OBJDIR)/lib/libtb/libtb.a $(EVENTLIBS)

PCAPLIBS=-lpcap

CFLAGS  = -Wall $(PTHREADCFLAGS) \
	  -DEMULAB -g -DDROPROOT -DBOSSNODE=\"@BOSSNODE@\" \
	  -DCLIENT_BINDIR='"$(CLIENT_BINDIR)"'
LDFLAGS = $(LDSTATIC)

CFLAGS_FBSD    = $(CFLAGS) $(TBCFLAGS)
CFLAGS_FBSD_NE = $(CFLAGS)
CFLAGS_LINUX   = $(CFLAGS) -I/usr/include/pcap $(TBCFLAGS)

LIBS_FBSD      = $(PTHREADLIBS) $(TBLIBS) $(PCAPLIBS)
LIBS_FBSD_NE   = $(PTHREADLIBS) $(PCAPLIBS)
LIBS_LINUX     = -L/usr/lib -lpthread -lpcap $(TBLIBS) -ldl -lz

#
# XXX dynamically-determined Linux stuff, only do on Linux
#
ifeq ($(SYSTEM),Linux)
ifneq ($(wildcard /usr/lib/libpcap.a),)
NOPBL := $(shell nm /usr/lib/libpcap.a | grep -q pcap_breakloop; echo $$?)
else
NOPBL := 1
endif
ifeq ($(NOPBL),0)
CFLAGS_LINUX  += -DHAVE_PCAP_BREAKLOOP
endif
ifneq ($(wildcard /usr/kerberos/bin/krb5-config),)
LIBS_LINUX     = -L/usr/lib -lpthread -lpcap $(TBLIBS) \
		 `/usr/kerberos/bin/krb5-config --libs krb5` -ldl -lz
ifneq ($(wildcard /usr/lib/libkrb5support.a),)
LIBS_LINUX    += -lkrb5support
endif
endif
endif

# virtual (encapsulated) ethernet
#CFLAGS_FBSD   += -DVETH

clean:
	-rm -f pcapper*.o pcapper pcapper.noevents pcapper.linux *.debug

ifeq ($(SYSTEM),Linux)
#
# Note: Building on Linux with the event system is mighty tricky
#
pcapper: pcapper.c GNUmakefile
	$(CC) $(CFLAGS_LINUX) $(CPPFLAGS_LINUX) $< -o pcapper $(LIBS_LINUX)
else
pcapper: GNUmakefile pcapper.o
	$(CC) $(LDFLAGS) $(CFLAGS_FBSD) pcapper.o $(LIBS_FBSD) -o pcapper
		cp pcapper pcapper.debug
		strip pcapper
endif

pcapper.o: pcapper.c
	$(CC) -c -o pcapper.o $(CFLAGS_FBSD) $<

pcapper.noevents: GNUmakefile pcapper-noevents.o
	$(CC) $(LDFLAGS) $(CFLAGS_FBSD_NE) pcapper-noevents.o $(LIBS_FBSD_NE) \
		-o pcapper.noevents
		cp pcapper.noevents pcapper.noevents.debug
		strip pcapper.noevents

pcapper-noevents.o: pcapper.c
	$(CC) -c -o pcapper-noevents.o $(CFLAGS_FBSD_NE) $<

client:	pcapper

client-install: client
	$(INSTALL_PROGRAM) -s pcapper $(DESTDIR)$(CLIENT_BINDIR)/pcapper