# Makefile for OpenWrt
#
# Copyright (C) 2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

RELEASE:=Kamikaze
#VERSION:=2.0 # uncomment for final release

all: world

SHELL:=/usr/bin/env bash
OPENWRTVERSION:=$(RELEASE)
include $(TOPDIR)/include/verbose.mk
ifneq ($(VERSION),)
  OPENWRTVERSION:=$(VERSION) ($(OPENWRTVERSION))
else
  REV:=$(shell LANG=C svn info | awk '/^Revision:/ { print$$2 }' )
  ifneq ($(REV),)
    OPENWRTVERSION:=$(OPENWRTVERSION)/r$(REV)
  endif
endif
export OPENWRTVERSION

ifeq ($(FORCE),)
  .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
  world: prereq
endif

SCAN_COOKIE?=$(shell echo $$$$)
export SCAN_COOKIE

tmp/.packageinfo tmp/.targetinfo prepare-tmpinfo:
	@mkdir -p tmp/info
	@+$(NO_TRACE_MAKE) -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk" SCAN_DEPTH=4 SCAN_EXTRA=""
	@+$(NO_TRACE_MAKE) -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk" SCAN_DEPTH=2 SCAN_EXTRA=""
	@for type in package target; do \
		f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
		[ "$$t" -nt "$$f" ] || ./scripts/metadata.pl $${type}_config < "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
	done

.config: ./scripts/config/conf prepare-tmpinfo
	@+if [ \! -f .config ]; then \
		[ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
		$(NO_TRACE_MAKE) menuconfig QUIET=0 OPENWRT_BUILD=; \
	fi
	$< -D .config Config.in &> /dev/null

scripts/config/mconf:
	@+$(MAKE) -C scripts/config all

scripts/config/conf:
	@+$(MAKE) -C scripts/config conf

config: scripts/config/conf prepare-tmpinfo FORCE
	$< Config.in

config-clean: FORCE
	$(NO_TRACE_MAKE) -C scripts/config clean

defconfig: scripts/config/conf prepare-tmpinfo FORCE
	touch .config
	$< -D .config Config.in

oldconfig: scripts/config/conf prepare-tmpinfo FORCE
	$< -o Config.in

menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
	if [ \! -f .config -a -e $(HOME)/.openwrt/defconfig ]; then \
		cp $(HOME)/.openwrt/defconfig .config; \
	fi
	$< Config.in

kernel_oldconfig: .config FORCE
	$(NO_TRACE_MAKE) -C target/linux oldconfig

kernel_menuconfig: .config FORCE
	$(NO_TRACE_MAKE) -C target/linux menuconfig

tmp/.prereq-build: include/prereq-build.mk
	mkdir -p tmp
	rm -f tmp/.host.mk
	@+$(NO_TRACE_MAKE) -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
		echo "Prerequisite check failed. Use FORCE=1 to override."; \
		false; \
	}
	touch $@

tmp/.prereq-package: tmp/.packageinfo .config
tmp/.prereq-target: tmp/.targetinfo .config
tmp/.prereq-package tmp/.prereq-target: include/prereq.mk 
	mkdir -p tmp
	rm -f tmp/.host.mk
	@+$(NO_TRACE_MAKE) -s -C $(patsubst tmp/.prereq-%,%,$@) prereq 2>/dev/null || { \
		echo "Prerequisite check failed. Use FORCE=1 to override."; \
		false; \
	}
	touch $@

prereq: tmp/.prereq-build tmp/.prereq-package tmp/.prereq-target .config FORCE
	@true

download: .config FORCE
	$(MAKE) -j1 tools/download
	$(MAKE) -j1 toolchain/download
	$(MAKE) -j1 package/download
	$(MAKE) -j1 target/download

clean dirclean distclean:
	@$(MAKE) $@ 

%::
	@$(SUBMAKE) -s prereq QUIET=0 OPENWRT_BUILD=
	@+$(MAKE) $@ 

help:
	cat README

docs docs/compile: FORCE
	$(MAKE) -C docs compile

docs/clean: FORCE
	$(MAKE) -C docs clean

symlinkclean:
	-find package -type l | xargs rm -f
	rm -rf tmp

.SILENT: symlinkclean clean dirclean distclean config-clean download help tmpinfo-clean .config scripts/config/mconf scripts/config/conf menuconfig tmp/.prereq-build tmp/.prereq-package tmp/.prereq-target
.PHONY: help FORCE
.NOTPARALLEL: