source: freewrt/target/linux/kernel.mk@ ac7563a

LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
LINUX_SITE=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
           http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
           http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
           http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)

KERNEL_IDIR:=$(LINUX_BUILD_DIR)/kernel-ipkg

$(TARGETS): $(PACKAGE_DIR)

$(PACKAGE_DIR):
        mkdir -p $(PACKAGE_DIR)
        
$(DL_DIR)/$(LINUX_SOURCE):
        -mkdir -p $(DL_DIR)
        $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE) $(MAKE_TRACE)

$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
        -mkdir -p $(LINUX_BUILD_DIR)
        bzcat $(DL_DIR)/$(LINUX_SOURCE) | (cd $(LINUX_BUILD_DIR); $(TAR_EXTRACT) )
        rm -f $(BUILD_DIR)/linux
        ln -s $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
        touch $@

ifeq ($(KERNEL),2.4)
$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
        $(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" \
          $(LINUX_DIR)/Makefile  \
          $(LINUX_DIR)/arch/*/Makefile
        $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
        $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h $(MAKE_TRACE)
        touch $@

$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
        $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep $(MAKE_TRACE)
        touch $@

$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done
else
$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
        $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts $(MAKE_TRACE)
        touch $@
endif

$(LINUX_DIR)/vmlinux: $(STAMP_DIR)/.linux-compile
        $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH) $(MAKE_TRACE)

$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
        $(TARGET_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@ $(MAKE_TRACE)
        touch -c $(LINUX_KERNEL)

$(LINUX_DIR)/.modules_done:
        rm -rf $(LINUX_BUILD_DIR)/modules
        $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH="$(TARGET_PATH)" modules $(MAKE_TRACE)
        $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" DEPMOD=true INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules modules_install $(MAKE_TRACE)
        touch $(LINUX_DIR)/.modules_done

$(STAMP_DIR)/.linux-compile:
        @$(MAKE) $(LINUX_DIR)/.modules_done $(TARGETS) $(KERNEL_IPKG) $(MAKE_TRACE)
        ln -sf $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux $(MAKE_TRACE)
        @$(TRACE) target/linux/package-compile
        $(MAKE) -C $(TOPDIR)/target/linux/package \
                $(KPKG_MAKEOPTS) \
                compile
        touch $@

.PHONY: pkg-install
pkg-install:
        @mkdir -p $(TARGET_MODULES_DIR)
        @rm -rf $(LINUX_BUILD_DIR)/root*
        @cp -fpR $(BUILD_DIR)/root $(LINUX_BUILD_DIR)/
        echo -e 'dest root /\noption offline_root $(LINUX_BUILD_DIR)/root' > $(LINUX_BUILD_DIR)/ipkg.conf
        $(MAKE) -C $(TOPDIR)/target/linux/package \
                $(KPKG_MAKEOPTS) \
                install
        @{ [ "$(INSTALL_TARGETS)" != "" ] && $(IPKG_KERNEL) install $(INSTALL_TARGETS) || true; } $(MAKE_TRACE) 

$(KERNEL_IPKG):
        rm -rf $(KERNEL_IDIR)
        mkdir -p $(KERNEL_IDIR)/etc
        $(SCRIPT_DIR)/make-ipkg-dir.sh $(KERNEL_IDIR) ../control/kernel.control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
        if [ -f ./config/$(BOARD).modules ]; then \
                cp ./config/$(BOARD).modules $(KERNEL_IDIR)/etc/modules; \
        fi
        $(IPKG_BUILD) $(KERNEL_IDIR) $(LINUX_BUILD_DIR) $(MAKE_TRACE)

source: $(DL_DIR)/$(LINUX_SOURCE)
prepare: 
        @mkdir -p $(STAMP_DIR) $(PACKAGE_DIR)
        @$(MAKE) $(LINUX_DIR)/.configured $(MAKE_TRACE)

compile: prepare $(STAMP_DIR)/.linux-compile

install: compile
        @$(TRACE) target/linux/package-install
        $(MAKE) $(KPKG_MAKEOPTS) pkg-install $(MAKE_TRACE)
        $(MAKE) $(KPKG_MAKEOPTS) $(LINUX_KERNEL) $(MAKE_TRACE)

mostlyclean:
        rm -f $(STAMP_DIR)/.linux-compile
        rm -f $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION)/.modules_done
        rm -f $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION)/.drivers-unpacked
        $(MAKE) -C $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION) clean $(MAKE_TRACE)
        rm -f $(LINUX_KERNEL)

rebuild:
        -$(MAKE) mostlyclean
        if [ -f $(LINUX_KERNEL) ]; then \
                $(MAKE) clean $(MAKE_TRACE); \
        fi
        $(MAKE) compile $(MAKE_TRACE)

clean:
        rm -f $(STAMP_DIR)/.linux-compile
        rm -rf $(LINUX_BUILD_DIR)
        rm -f $(TARGETS)

package/%:
        $(MAKE) -C $(TOPDIR)/target/linux/package \
                $(KPKG_MAKEOPTS) \
                $(patsubst package/%,%,$@)