bind: update to 9.9.2-P2 and make it cross buildable.

srcpkgs/bind/patches/cross.patch

@@ -0,0 +1,47 @@
+Detect ECDSA by checking header existence.
+
+--- configure.in.orig	2013-04-23 07:13:02.191893497 +0200
++++ configure.in	2013-04-23 07:27:48.630090319 +0200
+@@ -766,36 +766,13 @@ esac
+ 		AC_CHECK_FUNCS(EVP_sha256 EVP_sha384 EVP_sha512)
+ 
+ 		AC_MSG_CHECKING(for OpenSSL ECDSA support)
+-		have_ecdsa=""
+-		AC_TRY_RUN([
+-#include <stdio.h>
+-#include <openssl/ecdsa.h>
+-#include <openssl/objects.h>
+-int main() {
+-	EC_KEY *ec256, *ec384;
+-
+-#if !defined(HAVE_EVP_SHA256) || !defined(HAVE_EVP_SHA384)
+-	return (1);
+-#endif
+-	ec256 = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
+-	ec384 = EC_KEY_new_by_curve_name(NID_secp384r1);
+-	if (ec256 == NULL || ec384 == NULL)
+-		return (2);
+-	return (0);
+-}
+-],
+-		[AC_MSG_RESULT(yes)
+-		have_ecdsa="yes"],
+-		[AC_MSG_RESULT(no)
+-		have_ecdsa="no"])
+-		case $have_ecdsa in
+-		yes)
+-			OPENSSL_ECDSA="yes"
++		if test -f $use_openssl/include/openssl/ecdsa.h
++		then
+ 			AC_DEFINE(HAVE_OPENSSL_ECDSA)
+-			;;
+-		*)
+-			;;
+-		esac
++			AC_MSG_RESULT(yes)
++		else
++			AC_MSG_RESULT(no)
++		fi
+ 
+ 		AC_MSG_CHECKING(for OpenSSL GOST support)
+ 		have_gost=""