OpenWrt – Rev 4

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#
# Copyright (C) 2006-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk
include $(INCLUDE_DIR)/version.mk
include $(INCLUDE_DIR)/feeds.mk

override MAKEFLAGS=

IB_NAME:=$(VERSION_DIST_SANITIZED)-imagebuilder-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET)).$(HOST_OS)-$(HOST_ARCH)
PKG_BUILD_DIR:=$(BUILD_DIR)/$(IB_NAME)
IB_KDIR:=$(patsubst $(TOPDIR)/%,$(PKG_BUILD_DIR)/%,$(KERNEL_BUILD_DIR))
IB_LDIR:=$(patsubst $(TOPDIR)/%,$(PKG_BUILD_DIR)/%,$(LINUX_DIR))
IB_DTSDIR:=$(patsubst $(TOPDIR)/%,$(PKG_BUILD_DIR)/%,$(LINUX_DIR))/arch/$(LINUX_KARCH)/boot/dts/
IB_IDIR:=$(patsubst $(TOPDIR)/%,$(PKG_BUILD_DIR)/%,$(STAGING_DIR_IMAGE))

all: compile

$(BIN_DIR)/$(IB_NAME).tar.xz: clean
        rm -rf $(PKG_BUILD_DIR)
        mkdir -p $(IB_KDIR) $(IB_LDIR) $(PKG_BUILD_DIR)/staging_dir/host/lib \
                $(PKG_BUILD_DIR)/target $(PKG_BUILD_DIR)/scripts $(IB_DTSDIR)
        -cp $(TOPDIR)/.config $(PKG_BUILD_DIR)/.config
        $(CP) -L \
                $(INCLUDE_DIR) $(SCRIPT_DIR) \
                $(TOPDIR)/rules.mk \
                ./files/Makefile \
                ./files/repositories.conf \
                $(TMP_DIR)/.targetinfo \
                $(TMP_DIR)/.packageinfo \
                $(PKG_BUILD_DIR)/

ifeq ($(CONFIG_IB_STANDALONE),)
        echo '## Remote package repositories' >> $(PKG_BUILD_DIR)/repositories.conf
        $(call FeedSourcesAppend,$(PKG_BUILD_DIR)/repositories.conf)
endif

        echo ''                                                        >> $(PKG_BUILD_DIR)/repositories.conf
        echo '## This is the local package repository, do not remove!' >> $(PKG_BUILD_DIR)/repositories.conf
        echo 'src imagebuilder file:packages'                          >> $(PKG_BUILD_DIR)/repositories.conf

        $(VERSION_SED_SCRIPT) $(PKG_BUILD_DIR)/repositories.conf

ifeq ($(CONFIG_IB_STANDALONE),)
        (cd $(call FeedPackageDir,libc); $(FIND) -type f -name 'libc_*.ipk' -or -name 'kernel_*.ipk' -or -name 'kmod-*.ipk') | \
                while read path; do \
                        mkdir -p "$(PKG_BUILD_DIR)/packages/$${path%/*}"; \
                        cp "$(call FeedPackageDir,libc)/$$path" "$(PKG_BUILD_DIR)/packages/$$path"; \
                done
else
        $(INSTALL_DIR) $(PKG_BUILD_DIR)/packages
        find $(wildcard $(PACKAGE_SUBDIRS)) -type f -name '*.ipk' -exec $(CP) {} $(PKG_BUILD_DIR)/packages/ \;
endif

        $(CP) $(TOPDIR)/target/linux $(PKG_BUILD_DIR)/target/
        if [ -d $(TOPDIR)/staging_dir/host/lib/grub ]; then \
                $(CP) $(TOPDIR)/staging_dir/host/lib/grub/ $(PKG_BUILD_DIR)/staging_dir/host/lib; \
        fi
        rm -rf \
                $(PKG_BUILD_DIR)/target/linux/*/files{,-*} \
                $(PKG_BUILD_DIR)/target/linux/*/patches{,-*} \
                $(PKG_BUILD_DIR)/target/linux/generic/{pending,backport,hack}{,-*}
        -cp $(KERNEL_BUILD_DIR)/* $(IB_KDIR)/ # don't copy subdirectories here
        -cp $(LINUX_DIR)/.config $(IB_LDIR)/
        rm -f $(IB_KDIR)/root.*
        rm -f $(IB_KDIR)/vmlinux.debug
        if [ -x $(LINUX_DIR)/scripts/dtc/dtc ]; then \
                $(INSTALL_DIR) $(IB_LDIR)/scripts/dtc; \
                $(INSTALL_BIN) $(LINUX_DIR)/scripts/dtc/dtc $(IB_LDIR)/scripts/dtc/dtc; \
        fi
        if [ -d $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts ]; then \
                $(CP) -L $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts/* $(IB_DTSDIR); \
        fi
        $(SED) 's,^# REVISION:=.*,REVISION:=$(REVISION),g' $(PKG_BUILD_DIR)/include/version.mk
        find $(PKG_BUILD_DIR) -name CVS -o -name .git -o -name .svn \
          | $(XARGS) rm -rf
        $(INSTALL_DIR) $(IB_IDIR)
        -$(CP) $(STAGING_DIR_IMAGE)/* $(IB_IDIR)/
        $(INSTALL_DIR) $(PKG_BUILD_DIR)/staging_dir/host/bin
        $(CP) $(STAGING_DIR_HOST)/bin/* $(PKG_BUILD_DIR)/staging_dir/host/bin/
        (cd $(PKG_BUILD_DIR); find staging_dir/host/bin/ $(IB_LDIR)/scripts/dtc/ -type f | \
                $(XARGS) $(SCRIPT_DIR)/bundle-libraries.sh $(PKG_BUILD_DIR)/staging_dir/host)
        STRIP=sstrip $(SCRIPT_DIR)/rstrip.sh $(PKG_BUILD_DIR)/staging_dir/host/bin/
        $(TAR) -cf - -C $(BUILD_DIR) $(IB_NAME) | xz -zc -7e > $@

download:
prepare:
compile: $(BIN_DIR)/$(IB_NAME).tar.xz
install: compile

clean: FORCE
        rm -rf $(PKG_BUILD_DIR) $(BIN_DIR)/$(IB_NAME).tar.xz