- add makefile to update gnuconfig

make/buildsystem-update.mk

@@ -111,6 +111,10 @@ endif
 
 # -----------------------------------------------------------------------------
 
+include support/gnuconfig/gnuconfig-update.mk
+
+# -----------------------------------------------------------------------------
+
 REPOSITORIES = \
 	. \
 	$(BUILD_GENERIC_PC) \

support/gnuconfig/gnuconfig-update.mk

@@ -0,0 +1,17 @@
+################################################################################
+#
+# gnuconfig update
+#
+################################################################################
+
+GNUCONFIG_VERSION = git
+GNUCONFIG_DIR = config.$(GNUCONFIG_VERSION)
+GNUCONFIG_SOURCE = config.$(GNUCONFIG_VERSION)
+GNUCONFIG_SITE = https://git.savannah.gnu.org/git
+
+update-gnuconfig:
+	$(REMOVE)/$(GNUCONFIG_DIR)
+	$(GET_GIT_SOURCE) $(GNUCONFIG_SITE)/$(GNUCONFIG_SOURCE) $(BUILD_DIR)/$(GNUCONFIG_SOURCE)
+	$(INSTALL_EXEC) $(BUILD_DIR)/$(GNUCONFIG_SOURCE)/config.* support/gnuconfig
+	$(REMOVE)/$(GNUCONFIG_DIR)
+	@$(call MESSAGE,"Commit your changes in support/gnuconfig")