Bump buidlroot version to 2018.02.6

bsp/buildroot/package/pixz/Config.in

@@ -0,0 +1,13 @@
+config BR2_PACKAGE_PIXZ
+	bool "pixz"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_WCHAR # libarchive
+	select BR2_PACKAGE_LIBARCHIVE
+	select BR2_PACKAGE_XZ
+	help
+	  Pixz (pronounced pixie) is a parallel, indexing version of xz.
+
+	  https://github.com/vasi/pixz
+
+comment "pixz needs a toolchain w/ threads, wchar"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_USE_WCHAR

bsp/buildroot/package/pixz/pixz.hash

@@ -0,0 +1,2 @@
+# Locally computed:
+sha256 02c50746b134fa1b1aae41fcc314d7c6f1919b3d48bcdea01bf11769f83f72e8 pixz-1.0.6.tar.xz

bsp/buildroot/package/pixz/pixz.mk

@@ -0,0 +1,19 @@
+################################################################################
+#
+# pixz
+#
+################################################################################
+
+PIXZ_VERSION = 1.0.6
+PIXZ_SITE = https://github.com/vasi/pixz/releases/download/v$(PIXZ_VERSION)
+PIXZ_SOURCE = pixz-$(PIXZ_VERSION).tar.xz
+PIXZ_DEPENDENCIES = host-pkgconf libarchive xz
+PIXZ_LICENSE = BSD-2-Clause
+PIXZ_LICENSE_FILES = LICENSE
+
+# pixz.1 is actually present, but AC_CHECK_FILE doesn't detect it when
+# cross-compiling, which causes configure to try to regenerate it. So give it a
+# hint to say that it actually is present.
+PIXZ_CONF_ENV = ac_cv_file_src_pixz_1=yes
+
+$(eval $(autotools-package))