at-spi2-core: Add nls.m4 from gettext

This is needed for building it with musl, since
we disable NLS, I think it will fails in same
way with glibc if NLS was disabled there too

Change-Id: I95c6858adfb33361cab466999e0bacb47c1e1fde
(From OE-Core rev: 5dc86b1a45581e2b6ae845b818e2323645c9cff4)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/atk/at-spi2-core/0001-nls.m4-Take-it-from-gettext-0.15.patch

@@ -0,0 +1,54 @@
+From c320799c941d42a9b7e351805359694ea3b36d2d Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sun, 5 Apr 2015 09:08:38 -0700
+Subject: [PATCH] nls.m4: Take it from gettext-0.15
+
+It otherwise expects gettext to provide it. Lets go independent
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+Upstream-Status: Pending
+---
+ m4/nls.m4 | 30 ++++++++++++++++++++++++++++++
+ 1 file changed, 30 insertions(+)
+ create mode 100644 m4/nls.m4
+
+diff --git a/m4/nls.m4 b/m4/nls.m4
+new file mode 100644
+index 0000000..2c8fe69
+--- /dev/null
++++ b/m4/nls.m4
+@@ -0,0 +1,30 @@
++dnl Copyright (C) 1995-2003, 2005-2006 Free Software Foundation, Inc.
++dnl This file is free software; the Free Software Foundation
++dnl gives unlimited permission to copy and/or distribute it,
++dnl with or without modifications, as long as this notice is preserved.
++dnl
++dnl This file can can be used in projects which are not available under
++dnl the GNU General Public License or the GNU Library General Public
++dnl License but which still want to provide support for the GNU gettext
++dnl functionality.
++dnl Please note that the actual code of the GNU gettext library is covered
++dnl by the GNU Library General Public License, and the rest of the GNU
++dnl gettext package package is covered by the GNU General Public License.
++dnl They are not in the public domain.
++
++dnl Authors:
++dnl Ulrich Drepper drepper@cygnus.com, 1995-2000.
++dnl Bruno Haible haible@clisp.cons.org, 2000-2003.
++
++AC_PREREQ(2.50)
++
++AC_DEFUN([AM_NLS],
++[
++AC_MSG_CHECKING([whether NLS is requested])
++dnl Default is enabled NLS
++AC_ARG_ENABLE(nls,
++[ --disable-nls do not use Native Language Support],
++USE_NLS=$enableval, USE_NLS=yes)
++AC_MSG_RESULT($USE_NLS)
++AC_SUBST(USE_NLS)
++])
+-- 
+2.1.4
+

meta/recipes-support/atk/at-spi2-core_2.14.1.bb

@@ -4,7 +4,9 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=e9f288ba982d60518f375b5898283886"
 
 MAJ_VER = "${@oe.utils.trim_version("${PV}", 2)}"
 
-SRC_URI = "${GNOME_MIRROR}/${BPN}/${MAJ_VER}/${BPN}-${PV}.tar.xz"
+SRC_URI = "${GNOME_MIRROR}/${BPN}/${MAJ_VER}/${BPN}-${PV}.tar.xz \
+           file://0001-nls.m4-Take-it-from-gettext-0.15.patch \
+          "
 
 SRC_URI[md5sum] = "a37993cc50d90465c9aeed95e2ac439a"
 SRC_URI[sha256sum] = "eef9660b14fdf0fb1f30d1be7c72d591fa7cbb87b00ca3a444425712f46ce657"