libxml2: Contain glibc-extentions under __GLIBC__

Makes it more portable

Change-Id: I7bbc4cc0ebc26d54248b8433dab94db207615445
(From OE-Core rev: 0dfe553d58a76cc0d2592cf5746a1f24a3cd6ee4)

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

1 files changed, 32 insertions, 0 deletions

diff --git a/meta/recipes-core/libxml/libxml2/0001-threads-Define-pthread-definitions-for-glibc-complia.patch b/meta/recipes-core/libxml/libxml2/0001-threads-Define-pthread-definitions-for-glibc-complia.patch
new file mode 100644
index 0000000000..c653a81af3
--- /dev/null
+++ b/meta/recipes-core/libxml/libxml2/0001-threads-Define-pthread-definitions-for-glibc-complia.patch
@@ -0,0 +1,32 @@
+From 6750cc564a17c812555cca587660240ccffaaed3 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 4 Apr 2015 08:50:40 -0700
+Subject: [PATCH] threads: Define pthread* definitions for glibc compliant libs
+
+This code is assuming glibc but not explicitly saying it
+so lets make it so. Fixes following on musl
+
+threads.c:80:27: error: macro "pthread_equal" requires 2 arguments, but
+only 1 given
+|  extern int pthread_equal ()
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+Upstream-Status: Pending
+---
+ threads.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+Index: libxml2-2.9.2/threads.c
+===================================================================
+--- libxml2-2.9.2.orig/threads.c
++++ libxml2-2.9.2/threads.c
+@@ -47,7 +47,7 @@
+ #ifdef HAVE_PTHREAD_H
+ 
+ static int libxml_is_threaded = -1;
+-#ifdef __GNUC__
++#if defined(__GNUC__) && defined(__GLIBC__)
+ #ifdef linux
+ #if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || (__GNUC__ > 3)
+ extern int pthread_once (pthread_once_t *__once_control,