#############################################################
#
# libpcap 
#
#############################################################
# Copyright (C) 2001-2003 by Erik Andersen <andersen@codepoet.org>
# Copyright (C) 2002 by Tim Riker <Tim@Rikers.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA

LIBPCAP_VER:=0.8.3
LIBPCAP_DIR:=$(BUILD_DIR)/libpcap-$(LIBPCAP_VER)
LIBPCAP_SITE:=http://www.tcpdump.org/release
LIBPCAP_SOURCE:=libpcap-$(LIBPCAP_VER).tar.gz
LIBPCAP_CAT:=zcat

$(DL_DIR)/$(LIBPCAP_SOURCE):
	 $(WGET) -P $(DL_DIR) $(LIBPCAP_SITE)/$(LIBPCAP_SOURCE)

libpcap-source: $(DL_DIR)/$(LIBPCAP_SOURCE)

$(LIBPCAP_DIR)/.unpacked: $(DL_DIR)/$(LIBPCAP_SOURCE)
	$(LIBPCAP_CAT) $(DL_DIR)/$(LIBPCAP_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
	toolchain/patch-kernel.sh $(LIBPCAP_DIR) package/libpcap/ *.patch
	touch $(LIBPCAP_DIR)/.unpacked

$(LIBPCAP_DIR)/.configured: $(LIBPCAP_DIR)/.unpacked
	( \
		cd $(LIBPCAP_DIR) ; \
		ac_cv_linux_vers=$(BR2_DEFAULT_KERNEL_HEADERS) \
		BUILD_CC=$(TARGET_CC) HOSTCC=$(HOSTCC) \
		$(TARGET_CONFIGURE_OPTS) \
		CFLAGS="$(TARGET_CFLAGS)" \
		./configure \
		--target=$(GNU_TARGET_NAME) \
		--host=$(GNU_TARGET_NAME) \
		--build=$(GNU_HOST_NAME) \
		--with-build-cc=$(HOSTCC) \
		--disable-yydebug \
		--prefix=/usr \
		--with-pcap=linux \
	)
	touch $(LIBPCAP_DIR)/.configured

$(LIBPCAP_DIR)/libpcap.a: $(LIBPCAP_DIR)/.configured
	$(MAKE) \
		AR="$(TARGET_CROSS)ar" \
		-C $(LIBPCAP_DIR)

$(STAGING_DIR)/lib/libpcap.a: $(LIBPCAP_DIR)/libpcap.a
	$(MAKE) \
		-C $(LIBPCAP_DIR) \
		prefix=$(STAGING_DIR) \
		exec_prefix=$(STAGING_DIR) \
		bindir=$(STAGING_DIR)/bin \
		datadir=$(STAGING_DIR)/share \
		install

libpcap: uclibc zlib $(STAGING_DIR)/lib/libpcap.a

libpcap-clean:
	rm -f $(STAGING_DIR)/include/pcap*.h $(STAGING_DIR)/lib/libpcap.a
	-$(MAKE) -C $(LIBPCAP_DIR) clean

libpcap-dirclean:
	rm -rf $(LIBPCAP_DIR)
#############################################################
#
# Toplevel Makefile options
#
#############################################################
ifeq ($(strip $(BR2_PACKAGE_LIBPCAP)),y)
TARGETS+=libpcap
endif
