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# [qMp] firmware generator (http://qmp.cat)
#
# Copyright (C) 2011 qmp.cat
#
# Thiss 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 3 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, see <http://www.gnu.org/licenses/>.
#

OWRT_SVN = svn://svn.openwrt.org/openwrt/branches/backfire
OWRT_SVN_REV = 27617
QMP_GIT = ssh://gitosis@qmp.cat:221/qmp.git
QMP_GIT_BRANCH = master
EIGENNET_GIT = git://gitorious.org/eigennet/packages.git
EIGENNET_GIT_REV = 7467D68855991FE35797B0A5958B000F65C0134F
BUILD_DIR = build
CONFIG_DIR = configs
MY_CONFIGS = $(BUILD_DIR)/configs
IMAGES = images
SHELL = bash
QMP_FEED = package/feeds/qmp_packages
J ?= 1
V ?= 0
T =
MAKE_SRC = -j$(J) V=$(V)

include targets.mk

TIMESTAMP = $(shell date +%d%m%y_%H%M)
CONFIG = $(BUILD_DIR)/$(T)/.config
KCONFIG = $(BUILD_DIR)/$(T)/target/linux/$(ARCH)/config-*


.PHONY: checkout update clean config menuconfig kernel_menuconfig list_targets build clean_qmp


define build_src
make -C $(BUILD_DIR)/$(T) $(MAKE_SRC) BRANCH_GIT=$(shell git --git-dir=$(BUILD_DIR)/qmp/.git status -b -s |grep ^##|cut -d " " -f 2) REV_GIT=$(shell git --git-dir=$(BUILD_DIR)/qmp/.git --no-pager log -n 1 --oneline|cut -d " " -f 1)
endef

define checkout_src
svn --quiet co -r $(OWRT_SVN_REV) $(OWRT_SVN) $(BUILD_DIR)/$(T)
@if [ ! -d dl ]; then mkdir dl; fi
ln -s ../../dl $(BUILD_DIR)/$(T)/dl
ln -s ../qmp/files $(BUILD_DIR)/$(T)/files
rm -rf $(BUILD_DIR)/$(T)/feeds/
cp -f $(BUILD_DIR)/qmp/feeds.conf $(BUILD_DIR)/$(T)/
sed -i -e "s|PATH|`pwd`/$(BUILD_DIR)|" $(BUILD_DIR)/$(T)/feeds.conf
endef

define copy_config
cp -f $(CONFIG_DIR)/$(T)/config $(CONFIG)
[ -f $(CONFIG_DIR)/$(T)/kernel_config ] && cp -f $(CONFIG_DIR)/$(T)/kernel_config $(KCONFIG) || true
endef

define update_feeds
@echo "Updating feed $(1)"
./$(BUILD_DIR)/$(1)/scripts/feeds update -a
./$(BUILD_DIR)/$(1)/scripts/feeds install -a
endef

define menuconfig_owrt
make -C $(BUILD_DIR)/$(T) menuconfig
[ ! -d $(MY_CONFIGS)/$(T) ] && mkdir -p $(MY_CONFIGS)/$(T) || true
cp -f $(CONFIG) $(MY_CONFIGS)/$(T)/config
endef

define kmenuconfig_owrt
make -C $(BUILD_DIR)/$(T) kernel_menuconfig
[ ! -d $(MY_CONFIGS)/$(T) ] && mkdir -p $(MY_CONFIGS)/$(T) || true
cp -f $(KCONFIG) $(MY_CONFIGS)/$(T)/kernel_config
endef

define post_build
[ ! -d $(IMAGES) ] && mkdir $(IMAGES) || true
cp -f $(BUILD_DIR)/$(T)/$(IMAGE) $(IMAGES)/$(NAME)-factory-$(TIMESTAMP).bin
cp -f $(BUILD_DIR)/$(T)/$(SYSUPGRADE) $(IMAGES)/$(NAME)-upgrade-$(TIMESTAMP).bin
@echo
@echo "qMp firmware compiled, you can find output files in $(IMAGES) directory"
endef

define clean_all
[ -d "$(BUILD_DIR)" ] && rm -rf $(BUILD_DIR)/* || true
rm -f .checkout_* 2>/dev/null || true
[ -d "$(BUILD_DIR)" ] && rm -f $(IMAGES)/* || true
endef

define clean_target
[ -d "$(BUILD_DIR)/$(T)" ] && rm -rf $(BUILD_DIR)/$(T) || true
rm -f .checkout_$(T) 2>/dev/null || true
endef

define clean_pkg
echo "Cleaning package $1"
make $1/clean
endef

define target_error
@echo "You must specify target using T var (make T=alix build)"
@echo "To see avialable targets run: make list_targets"
@exit 1
endef

.checkout_qmp:
git clone $(QMP_GIT) $(BUILD_DIR)/qmp
cd $(BUILD_DIR)/qmp; git checkout $(QMP_GIT_BRANCH); cd ..
@touch $@

.checkout_eig:
git clone $(EIGENNET_GIT) $(BUILD_DIR)/eigennet/packages
cd $(BUILD_DIR)/eigennet/packages && git reset --hard $(EIGENNET_GIT_REV)
@touch $@

checkout: .checkout_qmp .checkout_eig
$(if $(T),,$(call target_error))
$(if $(wildcard .checkout_$(T)),,$(call checkout_src))
$(if $(wildcard .checkout_$(T)),,$(call update_feeds,$(T)))
$(if $(wildcard .checkout_$(T)),,$(call copy_config))
@touch .checkout_$(T)
update: .checkout_eig .checkout_qmp
cd $(BUILD_DIR)/qmp && git pull
# cd $(BUILD_DIR)/eigennet/packages && git pull

update_all: update
$(if $(T),HW_AVAILABLE=$(T))
$(foreach dir,$(HW_AVAILABLE),$(if $(wildcard $(BUILD_DIR)/$(dir)),$(call update_feeds,$(dir))))

menuconfig: checkout
$(call menuconfig_owrt)
kernel_menuconfig: checkout
$(call kmenuconfig_owrt)

clean:
$(if $(T),$(call clean_target),$(call clean_all))

clean_qmp:
cd $(BUILD_DIR)/$(T) ; \
for d in $(QMP_FEED)/*; do make $$d/clean ; done

list_targets:
$(info $(HW_AVAILABLE))
@exit 0

config:
select HW in alix rs rspro x86 fonera nsm5 nsm2; do break; done; echo $HW > .config.tmp;
mv .config.tmp .config

build: checkout
$(if $(T),$(call build_src))
$(call post_build)

all: build

default: build
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