boost: add upstream patch

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/devel/boost/patches/boost-1_49_0-fix-deprecated-swp.patch

@@ -0,0 +1,58 @@
+From 8d1ba081260f98d879759433a9d7248d6bd98966 Mon Sep 17 00:00:00 2001
+From: Peter Dimov <pdimov@boostpro.com>
+Date: Mon, 12 Mar 2012 17:31:21 +0000
+Subject: [PATCH] Apply patch from #5331. Refs #5331.
+
+SVN-Revision: 77315
+---
+ boost/smart_ptr/detail/spinlock_gcc_arm.hpp |   29 +++++++++++++++++++++++++--
+ 1 file changed, 27 insertions(+), 2 deletions(-)
+
+diff --git a/boost/smart_ptr/detail/spinlock_gcc_arm.hpp b/boost/smart_ptr/detail/spinlock_gcc_arm.hpp
+index f58ea44..f1bbaf6 100644
+--- a/boost/smart_ptr/detail/spinlock_gcc_arm.hpp
++++ b/boost/smart_ptr/detail/spinlock_gcc_arm.hpp
+@@ -43,13 +43,38 @@ class spinlock
+     {
+         int r;
+ 
++#if defined(__ARM_ARCH_6__) \
++    || defined(__ARM_ARCH_6J__) \
++    || defined(__ARM_ARCH_6K__) \
++    || defined(__ARM_ARCH_6Z__) \
++    || defined(__ARM_ARCH_6ZK__) \
++    || defined(__ARM_ARCH_6T2__) \
++    || defined(__ARM_ARCH_7__) \
++    || defined(__ARM_ARCH_7A__) \
++    || defined(__ARM_ARCH_7R__) \
++    || defined(__ARM_ARCH_7M__) \
++    || defined(__ARM_ARCH_7EM__)
++
++        __asm__ __volatile__(
++            "ldrex %0, [%2]; \n"
++            "cmp %0, %1; \n"
++            "strexne %0, %1, [%2]; \n"
++            BOOST_SP_ARM_BARRIER :
++            "=&r"( r ): // outputs
++            "r"( 1 ), "r"( &v_ ): // inputs
++            "memory", "cc" );
++
++#else
++
+         __asm__ __volatile__(
+-            "swp %0, %1, [%2]\n\t"
+-			BOOST_SP_ARM_BARRIER :
++            "swp %0, %1, [%2];\n"
++            BOOST_SP_ARM_BARRIER :
+             "=&r"( r ): // outputs
+             "r"( 1 ), "r"( &v_ ): // inputs
+             "memory", "cc" );
+ 
++#endif
++
+         return r == 0;
+     }
+ 
+-- 
+1.7.10
+