Bump buidlroot version to 2018.02.6

bsp/buildroot/package/jimtcl/jimtcl.mk

@@ -8,7 +8,7 @@ JIMTCL_VERSION = 0.75
 JIMTCL_SITE = http://snapshot.debian.org/archive/debian/20141023T043132Z/pool/main/j/jimtcl
 JIMTCL_SOURCE = jimtcl_$(JIMTCL_VERSION).orig.tar.xz
 JIMTCL_INSTALL_STAGING = YES
-JIMTCL_LICENSE = BSD-2c
+JIMTCL_LICENSE = BSD-2-Clause
 JIMTCL_LICENSE_FILES = LICENSE
 
 JIMTCL_HEADERS_TO_INSTALL = \
@@ -17,7 +17,7 @@ JIMTCL_HEADERS_TO_INSTALL = \
 	jim-signal.h \
 	jim-subcmd.h \
 	jim-win32compat.h \
-	jim-config.h \
+	jim-config.h
 
 ifeq ($(BR2_PACKAGE_TCL),)
 define JIMTCL_LINK_TCLSH
@@ -38,10 +38,22 @@ define JIMTCL_INSTALL_LIB
 endef
 endif
 
+# build system doesn't use autotools, but does use an old version of
+# gnuconfig which doesn't know all the architectures supported by
+# Buildroot, so update config.guess / config.sub like we do in
+# pkg-autotools.mk
+JIMTCL_POST_PATCH_HOOKS += UPDATE_CONFIG_HOOK
+
+# jimtcl really wants to find a existing $CXX, so feed it false
+# when we do not have one.
 define JIMTCL_CONFIGURE_CMDS
 	(cd $(@D); \
-		$(TARGET_CONFIGURE_OPTS) CCACHE=none \
+		$(TARGET_CONFIGURE_OPTS) \
+		CCACHE=none \
+		$(if $(BR2_INSTALL_LIBSTDCPP),,CXX=false) \
 		./configure --prefix=/usr \
+		--host=$(GNU_TARGET_NAME) \
+		--build=$(GNU_HOST_NAME) \
 		$(JIMTCL_SHARED) \
 	)
 endef