Bump buidlroot version to 2018.02.6

bsp/buildroot/package/linux-tools/Config.in

@@ -8,18 +8,12 @@ config BR2_PACKAGE_LINUX_TOOLS
 config BR2_PACKAGE_LINUX_TOOLS_CPUPOWER
 	bool "cpupower"
 	depends on !BR2_bfin # pciutils
-	depends on BR2_USE_WCHAR || !BR2_NEEDS_GETTEXT # gettext
 	select BR2_PACKAGE_LINUX_TOOLS
 	select BR2_PACKAGE_PCIUTILS
-	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT
 	help
 	  cpupower is a collection of tools to examine and tune power
 	  saving related features of your processor.
 
-comment "cpupower needs a toolchain w/ wchar"
-	depends on !BR2_bfin
-	depends on !BR2_USE_WCHAR && BR2_NEEDS_GETTEXT
-
 config BR2_PACKAGE_LINUX_TOOLS_GPIO
 	bool "gpio"
 	select BR2_PACKAGE_LINUX_TOOLS
@@ -54,9 +48,11 @@ config BR2_PACKAGE_LINUX_TOOLS_PERF
 	  code), single CPU or severals threads.
 
 	  This will build and install the userspace 'perf'
-	  command. It is up to the user to ensure that the kernel
-	  configuration has all the suitable options enabled to allow a
-	  proper operation of 'perf'.
+	  command.
+
+	  Your kernel must have CONFIG_PERF_EVENTS enabled to use perf
+	  profiling. Buildroot automatically enables this in the kernel
+	  configuration.
 
 	  https://perf.wiki.kernel.org/
 
@@ -83,4 +79,12 @@ comment "selftests needs BR2_PACKAGE_BUSYBOX_SHOW_OTHERS"
 	depends on BR2_USE_MMU
 	depends on !BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
 
+config BR2_PACKAGE_LINUX_TOOLS_TMON
+	bool "tmon"
+	select BR2_PACKAGE_LINUX_TOOLS
+	select BR2_PACKAGE_NCURSES
+	help
+	  tmon is a terminal-based tool (using curses) that allows the
+	  user to access thermal information about the system.
+
 endmenu

bsp/buildroot/package/linux-tools/linux-tool-cpupower.mk.in

@@ -6,12 +6,12 @@
 
 LINUX_TOOLS += cpupower
 
-CPUPOWER_DEPENDENCIES = pciutils $(if $(BR2_NEEDS_GETTEXT),gettext)
+CPUPOWER_DEPENDENCIES = pciutils $(TARGET_NLS_DEPENDENCIES)
 
 CPUPOWER_MAKE_OPTS = CROSS=$(TARGET_CROSS) \
 	CPUFREQ_BENCH=false \
 	NLS=false \
-	$(if $(BR2_NEEDS_GETTEXT),LDFLAGS=-lintl) \
+	LDFLAGS=$(TARGET_NLS_LIBS) \
 	DEBUG=false
 
 define CPUPOWER_BUILD_CMDS

bsp/buildroot/package/linux-tools/linux-tool-iio.mk.in

@@ -19,9 +19,11 @@ define IIO_BUILD_CMDS
 		$(IIO_MAKE_OPTS)
 endef
 
+# DESTDIR used since kernel version 4.14
 define IIO_INSTALL_TARGET_CMDS
 	$(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools/iio \
 		$(IIO_MAKE_OPTS) \
 		INSTALL_ROOT=$(TARGET_DIR) \
+		DESTDIR=$(TARGET_DIR) \
 		install
 endef

bsp/buildroot/package/linux-tools/linux-tool-perf.mk.in

@@ -28,17 +28,25 @@ PERF_MAKE_FLAGS = \
 	NO_LIBPYTHON=1 \
 	NO_LIBBIONIC=1
 
-# We need to pass an argument to ld for setting the endianness when
-# building it for MIPS architecture, otherwise the default one will
-# always be used (which is big endian) and the compilation for little
-# endian will always fail showing an error like this one:
-#  LD    foo.o
-# mips-linux-gnu-ld: foo.o: compiled for a little endian system and
-# target is big endian
-ifeq ($(BR2_mips)$(BR2_mips64),y)
-PERF_MAKE_FLAGS += LD="$(TARGET_LD) -EB"
-else ifeq ($(BR2_mipsel)$(BR2_mips64el),y)
-PERF_MAKE_FLAGS += LD="$(TARGET_LD) -EL"
+# We need to pass an argument to ld for setting the emulation when
+# building for MIPS architecture, otherwise the default one will always
+# be used and the compilation for most variants will fail.
+ifeq ($(BR2_mips),y)
+PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32btsmip"
+else ifeq ($(BR2_mipsel),y)
+PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32ltsmip"
+else ifeq ($(BR2_mips64),y)
+ifeq ($(BR2_MIPS_NABI32),y)
+PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32btsmipn32"
+else
+PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf64btsmip"
+endif
+else ifeq ($(BR2_mips64el),y)
+ifeq ($(BR2_MIPS_NABI32),y)
+PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32ltsmipn32"
+else
+PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf64ltsmip"
+endif
 endif
 
 # The call to backtrace() function fails for ARC, because for some

bsp/buildroot/package/linux-tools/linux-tool-tmon.mk.in

@@ -0,0 +1,37 @@
+################################################################################
+#
+# tmon
+#
+################################################################################
+
+LINUX_TOOLS += tmon
+
+TMON_DEPENDENCIES = host-pkgconf ncurses
+TMON_MAKE_OPTS = $(LINUX_MAKE_FLAGS) \
+	CC=$(TARGET_CC) \
+	PKG_CONFIG_PATH=$(STAGING_DIR)/usr/lib/pkgconfig
+
+ifeq ($(BR2_TOOLCHAIN_HAS_SSP),)
+define TMON_DISABLE_STACK_PROTECTOR
+	$(SED) 's%-fstack-protector%%' $(LINUX_DIR)/tools/thermal/tmon/Makefile
+endef
+endif
+
+define TMON_BUILD_CMDS
+	$(Q)if ! grep install $(LINUX_DIR)/tools/thermal/tmon/Makefile >/dev/null 2>&1 ; then \
+		echo "Your kernel version is too old and does not have the tmon tool." ; \
+		echo "At least kernel 3.13 must be used." ; \
+		exit 1 ; \
+	fi
+	$(TMON_DISABLE_STACK_PROTECTOR)
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools \
+		$(TMON_MAKE_OPTS) \
+		tmon
+endef
+
+define TMON_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools \
+		$(TMON_MAKE_OPTS) \
+		INSTALL_ROOT=$(TARGET_DIR) \
+		tmon_install
+endef

bsp/buildroot/package/linux-tools/linux-tools.mk

@@ -10,15 +10,14 @@
 #
 # So, all tools refer to $(LINUX_DIR) instead of $(@D).
 
-# Note: we need individual tools .mk files to be included *before* this one
-# to guarantee that each tool has a chance to register itself before we build
-# the list of build and install hooks, below.
-#
-# This is currently guaranteed by the naming of each file:
-# - they get included by the top-level Makefile, with $(sort $(wildcard ...))
-# - make's $(sort) function will aways sort in the C locale
-# - the files names correctly sort out in the C locale so that each tool's
-#   .mk file is included before this one.
+# Note: we need individual tools makefiles to be included *before* we build
+# the list of build and install hooks below to guarantee that each tool has
+# a chance to register itself once, and only once. Therefore, the makefiles
+# are named linux-tool-*.mk.in, so they won't be picked up by the top-level
+# Makefile, but can be included here, guaranteeing the single inclusion and
+# the proper ordering.
+
+include $(sort $(wildcard package/linux-tools/*.mk.in))
 
 # We only need the kernel to be extracted, not actually built
 LINUX_TOOLS_PATCH_DEPENDENCIES = linux