Update buidlroot to version 2016.08.1

bsp/buildroot/Makefile

@@ -24,6 +24,11 @@
 # You shouldn't need to mess with anything beyond this point...
 #--------------------------------------------------------------
 
+# we want bash as shell
+SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
+	 else if [ -x /bin/bash ]; then echo /bin/bash; \
+	 else echo sh; fi; fi)
+
 # Trick for always running with a fixed umask
 UMASK = 0022
 ifneq ($(shell umask),$(UMASK))
@@ -41,7 +46,7 @@ else # umask
 all:
 
 # Set and export the version string
-export BR2_VERSION := 2016.02
+export BR2_VERSION := 2016.08.1
 
 # Save running make version since it's clobbered by the make package
 RUNNING_MAKE_VERSION := $(MAKE_VERSION)
@@ -69,7 +74,7 @@ endif
 .NOTPARALLEL:
 
 # absolute path
-TOPDIR := $(shell pwd)
+TOPDIR := $(CURDIR)
 CONFIG_CONFIG_IN = Config.in
 CONFIG = support/kconfig
 DATE := $(shell date +%Y%m%d)
@@ -208,6 +213,13 @@ ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
 -include $(BR2_CONFIG)
 endif
 
+# timezone and locale may affect build output
+ifeq ($(BR2_REPRODUCIBLE),y)
+export TZ=UTC
+export LANG=C
+export LC_ALL=C
+endif
+
 # To put more focus on warnings, be less verbose as default
 # Use 'make V=1' to see the full commands
 ifeq ("$(origin V)", "command line")
@@ -227,11 +239,6 @@ else
   Q = @
 endif
 
-# we want bash as shell
-SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
-	 else if [ -x /bin/bash ]; then echo /bin/bash; \
-	 else echo sh; fi; fi)
-
 # kconfig uses CONFIG_SHELL
 CONFIG_SHELL := $(SHELL)
 
@@ -343,6 +350,8 @@ ifeq ($(BR2_HAVE_DOT_CONFIG),y)
 unexport CROSS_COMPILE
 unexport ARCH
 unexport CC
+unexport LD
+unexport AR
 unexport CXX
 unexport CPP
 unexport RANLIB
@@ -408,6 +417,7 @@ endif
 # Scripts in support/ or post-build scripts may need to reference
 # these locations, so export them so it is easier to use
 export BR2_CONFIG
+export BR2_REPRODUCIBLE
 export TARGET_DIR
 export STAGING_DIR
 export HOST_DIR
@@ -581,7 +591,10 @@ define PURGE_LOCALES
 	do \
 		for langdir in $$dir/*; \
 		do \
-			grep -qx $${langdir##*/} $(LOCALE_WHITELIST) || rm -rf $$langdir; \
+			if [ -e "$${langdir}" ]; \
+			then \
+				grep -qx "$${langdir##*/}" $(LOCALE_WHITELIST) || rm -rf $$langdir; \
+			fi \
 		done; \
 	done
 	if [ -d $(TARGET_DIR)/usr/share/X11/locale ]; \
@@ -655,7 +668,7 @@ endif
 
 	@$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
 		$(call MESSAGE,"Copying overlay $(d)"); \
-		rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
+		rsync -a --ignore-times --keep-dirlinks $(RSYNC_VCS_EXCLUSIONS) \
 			--chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
 			$(d)/ $(TARGET_DIR)$(sep))
 
@@ -696,8 +709,12 @@ legal-info: dirs legal-info-clean legal-info-prepare $(foreach p,$(PACKAGES),$(p
 		cat support/legal-info/README.warnings-header \
 			$(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
 		cat $(LEGAL_WARNINGS); fi
-	@echo "Legal info produced in $(LEGAL_INFO_DIR)"
 	@rm -f $(LEGAL_WARNINGS)
+	@(cd $(LEGAL_INFO_DIR); \
+		find * -type f -exec sha256sum {} + | LC_ALL=C sort -k2 \
+			>.legal-info.sha256; \
+		mv .legal-info.sha256 legal-info.sha256)
+	@echo "Legal info produced in $(LEGAL_INFO_DIR)"
 
 show-targets:
 	@echo $(PACKAGES) $(TARGETS_ROOTFS)
@@ -932,22 +949,10 @@ help:
 	@echo '  <pkg>-dirclean         - Remove <pkg> build directory'
 	@echo '  <pkg>-reconfigure      - Restart the build from the configure step'
 	@echo '  <pkg>-rebuild          - Restart the build from the build step'
-ifeq ($(BR2_PACKAGE_BUSYBOX),y)
-	@echo '  busybox-menuconfig     - Run BusyBox menuconfig'
-endif
-ifeq ($(BR2_LINUX_KERNEL),y)
-	@echo '  linux-menuconfig       - Run Linux kernel menuconfig'
-	@echo '  linux-savedefconfig    - Run Linux kernel savedefconfig'
-	@echo '  linux-update-defconfig - Save the Linux configuration to the path specified'
-	@echo '                             by BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE'
-endif
-ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
-	@echo '  uclibc-menuconfig      - Run uClibc menuconfig'
-endif
-ifeq ($(BR2_TARGET_BAREBOX),y)
-	@echo '  barebox-menuconfig     - Run barebox menuconfig'
-	@echo '  barebox-savedefconfig  - Run barebox savedefconfig'
-endif
+	$(foreach p,$(HELP_PACKAGES), \
+		@echo $(sep) \
+		@echo '$($(p)_NAME):' $(sep) \
+		$($(p)_HELP_CMDS)$(sep))
 	@echo
 	@echo 'Documentation:'
 	@echo '  manual                 - build manual in all formats'