add dhcpdump

package/tcpdump/Config.in

@@ -5,3 +5,10 @@ config BR2_PACKAGE_TCPDUMP
 	  A tool for network monitoring and data acquisition.
 
 	  http://www.tcpdump.org/
+
+config BR2_PACKAGE_DHCPDUMP
+	bool "dhcpdump"
+	default n
+	depends BR2_PACKAGE_TCPDUMP
+	help
+	  A tool for monitoring dhcp requests using tcpdump.

package/tcpdump/dhcpdump.mk

@@ -0,0 +1,77 @@
+#############################################################
+#
+# dhcpdump
+#
+#############################################################
+# 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
+
+DHCPDUMP_VER:=1.4
+DHCPDUMP_DIR:=$(BUILD_DIR)/dhcpdump-$(DHCPDUMP_VER)
+DHCPDUMP_SITE:=http://www.mavetju.org/download/
+DHCPDUMP_SOURCE:=dhcpdump-$(DHCPDUMP_VER).tar.gz
+DHCPDUMP_CAT:=zcat
+
+$(DL_DIR)/$(DHCPDUMP_SOURCE):
+	 $(WGET) -P $(DL_DIR) $(DHCPDUMP_SITE)/$(DHCPDUMP_SOURCE)
+
+dhcpdump-source: $(DL_DIR)/$(DHCPDUMP_SOURCE)
+
+$(DHCPDUMP_DIR)/.unpacked: $(DL_DIR)/$(DHCPDUMP_SOURCE)
+	$(DHCPDUMP_CAT) $(DL_DIR)/$(DHCPDUMP_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+	touch $(DHCPDUMP_DIR)/.unpacked
+
+$(DHCPDUMP_DIR)/.configured: $(DHCPDUMP_DIR)/.unpacked
+	( \
+		cd $(DHCPDUMP_DIR) ; \
+		BUILD_CC=$(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) \
+		--prefix=$(STAGING_DIR) \
+		--libdir=$(STAGING_DIR)/lib \
+		--includedir=$(STAGING_DIR)/include \
+	)
+	touch $(DHCPDUMP_DIR)/.configured
+
+$(DHCPDUMP_DIR)/dhcpdump: $(DHCPDUMP_DIR)/.configured
+	$(MAKE) -C $(DHCPDUMP_DIR)
+
+$(TARGET_DIR)/sbin/dhcpdump: $(DHCPDUMP_DIR)/dhcpdump
+	cp -af $< $@
+
+dhcpdump: uclibc zlib libpcap $(TARGET_DIR)/sbin/dhcpdump
+
+dhcpdump-clean:
+	rm -f $(TARGET_DIR)/sbin/dhcpdump
+	-$(MAKE) -C $(DHCPDUMP_DIR) clean
+
+dhcpdump-dirclean:
+	rm -rf $(DHCPDUMP_DIR)
+#############################################################
+#
+# Toplevel Makefile options
+#
+#############################################################
+ifeq ($(strip $(BR2_PACKAGE_DHCPDUMP)),y)
+TARGETS+=dhcpdump
+endif