Bump buidlroot version to 2018.02.6

bsp/buildroot/package/zstd/Config.in

@@ -0,0 +1,12 @@
+config BR2_PACKAGE_ZSTD
+	bool "zstd"
+	help
+	  Zstandard, or zstd as short version, is a fast lossless
+	  compression algorithm, targeting real-time compression
+	  scenarios at zlib-level and better compression ratios
+
+	  The selection of other packages will enable some features:
+	  xz, lz4 and/or zlib will enable support for corresponding
+	  compression formats
+
+	  https://facebook.github.io/zstd

bsp/buildroot/package/zstd/zstd.hash

@@ -0,0 +1,6 @@
+# Locally computed
+sha256 a77c47153ee7de02626c5b2a097005786b71688be61e9fb81806a011f90b297b zstd-v1.3.3.tar.gz
+
+# License files (locally computed as well)
+sha256 2c1a7fa704df8f3a606f6fc010b8b5aaebf403f3aeec339a12048f1ba7331a0b LICENSE
+sha256 f9c375a1be4a41f7b70301dd83c91cb89e41567478859b77eef375a52d782505 COPYING

bsp/buildroot/package/zstd/zstd.mk

@@ -0,0 +1,49 @@
+################################################################################
+#
+# zstd
+#
+################################################################################
+
+ZSTD_VERSION = v1.3.3
+ZSTD_SITE = $(call github,facebook,zstd,$(ZSTD_VERSION))
+ZSTD_LICENSE = BSD-3-Clause or GPL-2.0
+ZSTD_LICENSE_FILES = LICENSE COPYING
+
+ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
+ZSTD_OPTS += HAVE_THREAD=1
+else
+ZSTD_OPTS += HAVE_THREAD=0
+endif
+
+ifeq ($(BR2_PACKAGE_ZLIB),y)
+ZSTD_DEPENDENCIES += zlib
+ZSTD_OPTS += HAVE_ZLIB=1
+else
+ZSTD_OPTS += HAVE_ZLIB=0
+endif
+
+ifeq ($(BR2_PACKAGE_XZ),y)
+ZSTD_DEPENDENCIES += xz
+ZSTD_OPTS += HAVE_LZMA=1
+else
+ZSTD_OPTS += HAVE_LZMA=0
+endif
+
+ifeq ($(BR2_PACKAGE_LZ4),y)
+ZSTD_DEPENDENCIES += lz4
+ZSTD_OPTS += HAVE_LZ4=1
+else
+ZSTD_OPTS += HAVE_LZ4=0
+endif
+
+define ZSTD_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) $(ZSTD_OPTS) \
+		-C $(@D) zstd
+endef
+
+define ZSTD_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) $(ZSTD_OPTS) \
+		DESTDIR=$(TARGET_DIR) PREFIX=/usr -C $(@D)/programs install
+endef
+
+$(eval $(generic-package))