X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/16237fb8e1df1a8344704538e4b67f02b24271f8..d4641bd34dcc4fd0eab0b68c5b1d3a2b9ea3a9d2:/Makefile

diff --git a/Makefile b/Makefile
index f5d49fed2..27526d09a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,20 +1,10 @@
 # Makefile for OpenWrt
 #
+# Copyright (C) 2006 OpenWrt.org
 # Copyright (C) 2006 by Felix Fietkau <openwrt@nbd.name>
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
 #
 
 RELEASE:=Kamikaze
@@ -51,16 +41,16 @@ ifneq ($(shell ./scripts/timestamp.pl -p .pkginfo package Makefile),.pkginfo)
 endif
 
 .config.in: .pkginfo
-	./scripts/gen_menuconfig.pl < $< > $@ || rm -f $@
+	@./scripts/gen_menuconfig.pl < $< > $@ || rm -f $@
 
 pkginfo-clean: FORCE
 	-rm -f .pkginfo .config.in
 
 ./scripts/config/mconf: .config.in
-	$(MAKE) -C scripts/config all
+	@$(MAKE) -C scripts/config all
 
 ./scripts/config/conf: .config.in
-	$(MAKE) -C scripts/config conf
+	@$(MAKE) -C scripts/config conf
 
 config: ./scripts/config/conf FORCE
 	$< Config.in
@@ -89,13 +79,26 @@ toolchain/%: FORCE
 
 .config: ./scripts/config/conf FORCE
 	@[ -f .config ] || $(NO_TRACE_MAKE) menuconfig
-	$< -D .config Config.in >/dev/null 2>/dev/null
+	@$< -D .config Config.in &> /dev/null
+
+.prereq: $(TOPDIR)/include/prereq.mk .pkginfo
+	@$(NO_TRACE_MAKE) -s -f $(TOPDIR)/include/prereq.mk prereq 2>/dev/null || { \
+		echo "Prerequisite check failed. Use FORCE=1 to override."; \
+		false; \
+	}
+	@touch $@
+
+prereq: .prereq FORCE
 
 download: .config FORCE
 	$(MAKE) toolchain/download
 	$(MAKE) package/download
 	$(MAKE) target/download
 
+ifeq ($(FORCE),)
+world: .prereq
+endif
+
 world: .config FORCE
 	$(MAKE) toolchain/install
 	$(MAKE) target/compile
@@ -110,7 +113,9 @@ dirclean: clean
 	rm -rf staging_dir_* toolchain_build_*
 
 distclean: dirclean config-clean
-	rm -rf dl .*config* .pkg*
+	rm -rf dl .*config* .pkg* .prereq
+
 
+.SILENT: clean dirclean distclean config-clean download world
 .PHONY: FORCE
 FORCE: