bump buildroot to 2019.02.2

bsp/buildroot/package/pkg-generic.mk

@@ -294,7 +294,8 @@ $(BUILD_DIR)/%/.stamp_staging_installed:
 				$(addprefix $(STAGING_DIR)/usr/bin/,$($(PKG)_CONFIG_SCRIPTS)) ;\
 	fi
 	@$(call MESSAGE,"Fixing libtool files")
-	$(Q)find $(STAGING_DIR)/usr/lib* -name "*.la" | xargs --no-run-if-empty \
+	for la in $$(find $(STAGING_DIR)/usr/lib* -name "*.la"); do \
+		cp -a "$${la}" "$${la}.fixed" && \
 		$(SED) "s:$(BASE_DIR):@BASE_DIR@:g" \
 			-e "s:$(STAGING_DIR):@STAGING_DIR@:g" \
 			$(if $(TOOLCHAIN_EXTERNAL_INSTALL_DIR),\
@@ -303,7 +304,14 @@ $(BUILD_DIR)/%/.stamp_staging_installed:
 			$(if $(TOOLCHAIN_EXTERNAL_INSTALL_DIR),\
 				-e "s:@TOOLCHAIN_EXTERNAL_INSTALL_DIR@:$(TOOLCHAIN_EXTERNAL_INSTALL_DIR):g") \
 			-e "s:@STAGING_DIR@:$(STAGING_DIR):g" \
-			-e "s:@BASE_DIR@:$(BASE_DIR):g"
+			-e "s:@BASE_DIR@:$(BASE_DIR):g" \
+			"$${la}.fixed" && \
+		if cmp -s "$${la}" "$${la}.fixed"; then \
+			rm -f "$${la}.fixed"; \
+		else \
+			mv "$${la}.fixed" "$${la}"; \
+		fi || exit 1; \
+	done
 	@$(call step_end,install-staging)
 	$(Q)touch $@
 
@@ -607,12 +615,16 @@ $(2)_EXTRACT_DEPENDENCIES += $$(BR2_TAR_HOST_DEPENDENCY)
 endif
 
 ifeq ($$(filter host-tar host-skeleton host-xz host-lzip host-fakedate,$(1)),)
+ifneq ($$(filter .xz .lzma,$$(suffix $$($(2)_SOURCE))),)
 $(2)_EXTRACT_DEPENDENCIES += $$(BR2_XZCAT_HOST_DEPENDENCY)
 endif
+endif
 
 ifeq ($$(filter host-tar host-skeleton host-xz host-lzip host-fakedate,$(1)),)
+ifneq ($$(filter .lz,$$(suffix $$($(2)_SOURCE))),)
 $(2)_EXTRACT_DEPENDENCIES += $$(BR2_LZIP_HOST_DEPENDENCY)
 endif
+endif
 
 ifeq ($$(BR2_CCACHE),y)
 ifeq ($$(filter host-tar host-skeleton host-xz host-lzip host-fakedate host-ccache,$(1)),)