Bump buidlroot version to 2018.02.6

bsp/buildroot/package/dieharder/dieharder.mk

@@ -0,0 +1,39 @@
+################################################################################
+#
+# dieharder
+#
+################################################################################
+
+DIEHARDER_VERSION = 3.31.1
+DIEHARDER_SITE = http://www.phy.duke.edu/~rgb/General/dieharder
+DIEHARDER_SOURCE = dieharder-$(DIEHARDER_VERSION).tgz
+DIEHARDER_STRIP_COMPONENTS = 2
+DIEHARDER_LICENSE = GPL-2.0 with beverage clause
+DIEHARDER_LICENSE_FILES = COPYING
+DIEHARDER_DEPENDENCIES = gsl
+
+# The original configure does not use variables provided in the
+# environment so _CONF_ENV does not work. (_CONF_OPTS does).
+#
+# Finally, we patch configure.ac and some Makefile.am so we need to
+# autoreconf anyway
+DIEHARDER_AUTORECONF = YES
+
+# The m4/*.m4 files are symlinks to /usr/share, which clearly doesn't
+# work, and doing an autoreconf does not replace them.
+define DIEHARDER_M4_CLEAN
+	rm -f $(@D)/m4/*.m4
+endef
+DIEHARDER_POST_PATCH_HOOKS += DIEHARDER_M4_CLEAN
+
+# fix endianness detection
+ifeq ($(BR2_ENDIAN),"BIG")
+DIEHARDER_CONF_ENV = ac_cv_c_endian=big
+else
+DIEHARDER_CONF_ENV = ac_cv_c_endian=little
+endif
+
+# parallel build fail, disable it
+DIEHARDER_MAKE = $(MAKE1)
+
+$(eval $(autotools-package))