update buildroot to 2017.02.11

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

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_LIBSIGC
+	bool "libsigc++"
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # C++11
+	depends on BR2_INSTALL_LIBSTDCPP
+	help
+	  libsigc++ implements a typesafe callback system for standard C++.
+	  It allows you to define signals and to connect those signals to
+	  any callback function, either global or a member function,
+	  regardless of whether it is static or virtual.
+
+	  http://libsigc.sourceforge.net/
+
+comment "libsigc++ needs a toolchain w/ C++, gcc >= 4.8"
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_8

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

@@ -0,0 +1,2 @@
+# From http://ftp.gnome.org/pub/gnome/sources/libsigc++/2.10/libsigc++-2.10.0.sha256sum
+sha256	f843d6346260bfcb4426259e314512b99e296e8ca241d771d21ac64f28298d81	libsigc++-2.10.0.tar.xz

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

@@ -0,0 +1,22 @@
+################################################################################
+#
+# libsigc
+#
+################################################################################
+
+LIBSIGC_VERSION_MAJOR = 2.10
+LIBSIGC_VERSION = $(LIBSIGC_VERSION_MAJOR).0
+LIBSIGC_SOURCE = libsigc++-$(LIBSIGC_VERSION).tar.xz
+LIBSIGC_SITE = http://ftp.gnome.org/pub/GNOME/sources/libsigc++/$(LIBSIGC_VERSION_MAJOR)
+LIBSIGC_DEPENDENCIES = host-m4
+LIBSIGC_INSTALL_STAGING = YES
+LIBSIGC_LICENSE = LGPLv2.1+
+LIBSIGC_LICENSE_FILES = COPYING
+
+define LIBSIGC_INSTALL_TARGET_FIXUP
+	rm -rf $(TARGET_DIR)/usr/share/devhelp/books/libsigc++*
+endef
+
+LIBSIGC_POST_INSTALL_TARGET_HOOKS += LIBSIGC_INSTALL_TARGET_FIXUP
+
+$(eval $(autotools-package))