fix uclibc build, _GNU_SOURCE breaks it

package/libnids/Makefile

@@ -5,12 +5,12 @@ include ${TOPDIR}/rules.mk
 
 PKG_NAME:=		libnids
 PKG_VERSION:=		1.24
-PKG_RELEASE:=		2
+PKG_RELEASE:=		3
 PKG_MD5SUM:=		72d37c79c85615ffe158aa524d649610
 PKG_DESCR:=		Network Intrusion Detection System library
 PKG_SECTION:=		libs
 PKG_DEPENDS:=		libnet libpcap glib
-PKG_BUILDDEP:=		libnet libpcap glib
+PKG_BUILDDEP:=		autotool libnet libpcap glib
 PKG_URL:=		http://libnids.sourceforge.net/
 PKG_SITES:=		${MASTER_SITE_SOURCEFORGE:=libnids/}
 PKG_OPTS:=		dev
@@ -21,10 +21,10 @@ include ${TOPDIR}/mk/package.mk
 
 $(eval $(call PKG_template,LIBNIDS,libnids,${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION},${PKG_OPTS}))
 
-TARGET_CPPFLAGS+=	-D_GNU_SOURCE
 TARGET_LDFLAGS+=	-lpthread
 CONFIGURE_ENV+=		ac_cv_lib_nsl_gethostbyname=no
 CONFIGURE_ARGS+=	--with-libpcap=${STAGING_TARGET_DIR}/usr
+AUTOTOOL_STYLE:=	autoreconf
 XAKE_FLAGS+=		install_prefix="${WRKINST}"
 
 libnids-install:

package/libnids/patches/patch-configure

@@ -1,17 +0,0 @@
---- libnids-1.24.orig/configure	2006-05-01 19:14:51.000000000 +0200
-+++ libnids-1.24/configure	2011-05-16 16:03:49.766610900 +0200
-@@ -3919,11 +3919,11 @@ echo "${ECHO_T}no" >&6
-   *)
-      echo "$as_me:$LINENO: result: $withval" >&5
- echo "${ECHO_T}$withval" >&6
--     if test -f $withval/pcap.h -a -f $withval/libpcap.a; then
-+     if test -f $withval/include/pcap.h; then
-         owd=`pwd`
-         if cd $withval; then withval=`pwd`; cd $owd; fi
--	PCAP_CFLAGS="-I$withval -I$withval/bpf"
--	PCAPLIB="-L$withval -lpcap"
-+	PCAP_CFLAGS="-I$withval/include -I$withval/include/bpf"
-+	PCAPLIB="-L$withval/lib -lpcap"
-      else
-         { { echo "$as_me:$LINENO: error: pcap.h or libpcap.a not found in $withval" >&5
- echo "$as_me: error: pcap.h or libpcap.a not found in $withval" >&2;}

package/libnids/patches/patch-configure_in

@@ -0,0 +1,20 @@
+--- libnids-1.24.orig/configure.in	2006-05-01 19:14:51.000000000 +0200
++++ libnids-1.24/configure.in	2014-01-06 16:25:57.765584034 +0100
+@@ -65,13 +65,13 @@ AC_ARG_WITH(libpcap,
+      ;;
+   *)
+      AC_MSG_RESULT($withval)
+-     if test -f $withval/pcap.h -a -f $withval/libpcap.a; then
++     if test -f $withval/include/pcap.h; then
+         owd=`pwd`
+         if cd $withval; then withval=`pwd`; cd $owd; fi
+-	PCAP_CFLAGS="-I$withval -I$withval/bpf"
+-	PCAPLIB="-L$withval -lpcap"
++	PCAP_CFLAGS="-I$withval/include -I$withval/include/bpf"
++	PCAPLIB="-L$withval/lib -lpcap"
+      else
+-        AC_ERROR(pcap.h or libpcap.a not found in $withval)
++        AC_ERROR(pcap.h not found in $withval)
+      fi
+      ;;
+   esac ],