libyaml: add a recipe from meta-oe

libyaml is a dependency of ruby

(From OE-Core rev: 9c8679acb6e611d2fa6e51299b856394da9ea98d)

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/libyaml/files/libyaml-CVE-2014-9130.patch

@@ -0,0 +1,32 @@
+# HG changeset patch
+# User Kirill Simonov <xi@resolvent.net>
+# Date 1417197312 21600
+# Node ID 2b9156756423e967cfd09a61d125d883fca6f4f2
+# Parent  053f53a381ff6adbbc93a31ab7fdee06a16c8a33
+Removed invalid simple key assertion (thank to Jonathan Gray).
+
+The patch comes from 
+
+https://bitbucket.org/xi/libyaml/commits/2b9156756423e967cfd09a61d125d883fca6f4f2
+
+Upstream-Status: Backport
+
+Signed-off-by: Yue Tao <yue.tao@windriver.com>
+
+diff -r 053f53a381ff -r 2b9156756423 src/scanner.c
+--- a/src/scanner.c	Wed Mar 26 13:55:54 2014 -0500
++++ b/src/scanner.c	Fri Nov 28 11:55:12 2014 -0600
+@@ -1106,13 +1106,6 @@
+             && parser->indent == (ptrdiff_t)parser->mark.column);
+ 
+     /*
+-     * A simple key is required only when it is the first token in the current
+-     * line.  Therefore it is always allowed.  But we add a check anyway.
+-     */
+-
+-    assert(parser->simple_key_allowed || !required);    /* Impossible. */
+-
+-    /*
+      * If the current position may start a simple key, save it.
+      */
+ 

meta/recipes-support/libyaml/libyaml_0.1.6.bb

@@ -0,0 +1,21 @@
+SUMMARY = "LibYAML is a YAML 1.1 parser and emitter written in C."
+DESCRIPTION = "LibYAML is a C library for parsing and emitting data in YAML 1.1, \
+a human-readable data serialization format. "
+HOMEPAGE = "http://pyyaml.org/wiki/LibYAML"
+SECTION = "libs/devel"
+
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=6015f088759b10e0bc2bf64898d4ae17"
+
+SRC_URI = "http://pyyaml.org/download/libyaml/yaml-${PV}.tar.gz \
+           file://libyaml-CVE-2014-9130.patch \
+          "
+
+SRC_URI[md5sum] = "5fe00cda18ca5daeb43762b80c38e06e"
+SRC_URI[sha256sum] = "7da6971b4bd08a986dd2a61353bc422362bd0edcc67d7ebaac68c95f74182749"
+
+S = "${WORKDIR}/yaml-${PV}"
+
+inherit autotools
+
+BBCLASSEXTEND = "native"