update buildroot to 2017.02.11

bsp/buildroot-2017.02.11/package/liburcu/0001-Only-blacklist-ARM-gcc-4.8.0-and-4.8.1.patch

@@ -0,0 +1,40 @@
+From 54d8fe7ae40902d6d38e670f4024092f53c14e1f Mon Sep 17 00:00:00 2001
+From: Samuel Martin <s.martin49@gmail.com>
+Date: Sat, 8 Mar 2014 13:19:14 +0100
+Subject: [PATCH] Only blacklist ARM gcc 4.8.0 and 4.8.1
+
+Since many ARM toolchain providers include the bug fix for PR58854 in
+their latest releases based on gcc-4.8.2, then only blacklist gcc 4.8.0
+and 4.8.1.
+
+Signed-off-by: Samuel Martin <s.martin49@gmail.com>
+---
+ urcu/compiler.h | 9 ++++++++-
+ 1 file changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/urcu/compiler.h b/urcu/compiler.h
+index 1e30903..56115f1 100644
+--- a/urcu/compiler.h
++++ b/urcu/compiler.h
+@@ -118,10 +118,17 @@
+ 				+ __GNUC_PATCHLEVEL__)
+ 
+ /*
++ * Official gcc releases from 4.8.0 to 4.8.2 have the following bug,
++ * however, many arm toolchain providers have the included the fix for
++ * their latest 4.8.2 releases.
++ * So, we only blacklist gcc 4.8.0 and 4.8.1.
++ * Unfortunately, this bug is not easy to test, so we rely on the
++ * knowledge of the user on its compiler.
++ *
+  * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
+  */
+ # ifdef __ARMEL__
+-#  if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40802
++#  if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40801
+ #   error Your gcc version produces clobbered frame accesses
+ #  endif
+ # endif
+-- 
+1.9.0
+

bsp/buildroot-2017.02.11/package/liburcu/Config.in

@@ -0,0 +1,27 @@
+config BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS
+	bool
+	depends on BR2_arm || BR2_armeb || BR2_aarch64 || BR2_i386 || BR2_powerpc || BR2_x86_64
+	depends on BR2_USE_MMU # fork() in test
+	default y
+
+config BR2_PACKAGE_LIBURCU
+	bool "liburcu"
+	depends on BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	help
+	  Userspace implementation of the Read-Copy-Update (RCU)
+	  synchronization mechanism. This library is mainly used by
+	  the LTTng tracing infrastructure, but can be used for other
+	  purposes as well.
+
+	  On ARM, because of bug:
+	    http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
+	  liburcu cannot be built using gcc 4.8.0, 4.8.1 or 4.8.2 without the
+	  following bug fix:
+	    http://gcc.gnu.org/viewcvs/gcc?view=revision&revision=204665
+
+	  http://lttng.org/urcu
+
+comment "liburcu needs a toolchain w/ threads"
+	depends on BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS

bsp/buildroot-2017.02.11/package/liburcu/liburcu.hash

@@ -0,0 +1,4 @@
+# http://www.lttng.org/files/urcu/userspace-rcu-0.9.2.tar.bz2.sha1
+sha1  61d1d0d1b955c7a67a7253317647304d04b400a0  userspace-rcu-0.9.2.tar.bz2
+# Locally generated
+sha256 8f7fa313b1e0a3f742cea24ce63a39c0efe63e615a769e2961e55bd2663ecaa3 userspace-rcu-0.9.2.tar.bz2

bsp/buildroot-2017.02.11/package/liburcu/liburcu.mk

@@ -0,0 +1,15 @@
+################################################################################
+#
+# liburcu
+#
+################################################################################
+
+LIBURCU_VERSION = 0.9.2
+LIBURCU_SITE = http://lttng.org/files/urcu
+LIBURCU_SOURCE = userspace-rcu-$(LIBURCU_VERSION).tar.bz2
+LIBURCU_LICENSE = LGPLv2.1+ (library), MIT-like (few source files listed in LICENSE), GPLv2+ (test), GPLv3 (few *.m4 files)
+LIBURCU_LICENSE_FILES = lgpl-2.1.txt lgpl-relicensing.txt gpl-2.0.txt LICENSE
+
+LIBURCU_INSTALL_STAGING = YES
+
+$(eval $(autotools-package))