new package: ngrep (lightweight alternative to tcpdump)

Signed-off-by: Wade Berrier <wberrier@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/Config.in

@@ -438,6 +438,7 @@ source "package/netsnmp/Config.in"
 source "package/netstat-nat/Config.in"
 source "package/nfs-utils/Config.in"
 source "package/ngircd/Config.in"
+source "package/ngrep/Config.in"
 source "package/ntp/Config.in"
 source "package/nuttcp/Config.in"
 source "package/olsr/Config.in"

package/ngrep/Config.in

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_NGREP
+	bool "ngrep"
+	select BR2_PACKAGE_LIBPCAP
+	select BR2_PACKAGE_PCRE
+	help
+	  Network grep.
+
+	  http://ngrep.sourceforge.net/

package/ngrep/ngrep-1.45-make-objs.patch

@@ -0,0 +1,23 @@
+ngrep: don't include regex objects since we're using pcre
+
+Signed-off-by: Wade Berrier <wberrier@gmail.com>
+
+--- ngrep-1.45/Makefile.in.orig	2006-11-28 06:35:37.000000000 -0700
++++ ngrep-1.45/Makefile.in	2011-06-29 14:05:27.000000000 -0600
+@@ -32,13 +32,13 @@
+ 
+ INSTALL = ./install-sh
+ 
+-REGEX_DIR=@REGEX_DIR@
+-REGEX_OBJS=@REGEX_OBJS@
++REGEX_DIR=
++REGEX_OBJS=
+ 
+ 
+ all: $(TARGET) 
+ 
+-$(TARGET): $(REGEX_OBJS) $(OBJS) 
++$(TARGET): $(OBJS) 
+ 	$(CC) $(CFLAGS) $(LDFLAGS) $(STRIPFLAG) -o $(TARGET) $(OBJS) $(REGEX_OBJS) $(LIBS) 
+ 
+ debug: $(REGEX_OBJS) $(OBJS)

package/ngrep/ngrep-1.45-pcre-header.patch

@@ -0,0 +1,16 @@
+ngrep: don't use versioned header
+
+Signed-off-by: Wade Berrier <wberrier@gmail.com>
+
+diff -ur ngrep-1.45/ngrep.c ngrep-1.45.mod/ngrep.c
+--- ngrep-1.45/ngrep.c  Tue Nov 28 15:38:43 2006
++++ ngrep-1.45.mod/ngrep.c      Sat May 19 10:21:27 2007
+@@ -92,7 +92,7 @@
+ #endif
+ 
+ #if USE_PCRE
+-#include "pcre-5.0/pcre.h"
++#include "pcre.h"
+ #else
+ #include "regex-0.12/regex.h"
+ #endif

package/ngrep/ngrep.mk

@@ -0,0 +1,25 @@
+#############################################################
+#
+# ngrep
+#
+#############################################################
+
+NGREP_VERSION = 1.45
+NGREP_SOURCE = ngrep-$(NGREP_VERSION).tar.bz2
+NGREP_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/ngrep/ngrep/$(NGREP_VERSION)
+NGREP_INSTALL_STAGING = YES
+NGREP_INSTALL_TARGET = YES
+NGREP_CONF_ENV = LDFLAGS="-lpcre"
+NGREP_CONF_OPT =  \
+	--with-pcap-includes=$(STAGING_DIR)/usr/include \
+	--enable-pcre \
+	--with-pcre=$(STAGING_DIR)/usr \
+	--disable-dropprivs
+
+ifeq ($(BR2_INET_IPV6),y)
+NGREP_CONF_OPT += --enable-ipv6
+endif
+
+NGREP_DEPENDENCIES = libpcap pcre
+
+$(eval $(call AUTOTARGETS,package,ngrep))