mk/kernel-build.mk

   1 # This file is part of the OpenADK project. OpenADK is copyrighted
   2 # material, please see the LICENCE file in the top-level directory.
   3
   4 include $(ADK_TOPDIR)/rules.mk
   5 include ${ADK_TOPDIR}/mk/kernel-ver.mk
   6 include $(ADK_TOPDIR)/mk/linux.mk
   7 include ${ADK_TOPDIR}/mk/kernel-vars.mk
   8
   9 KERNEL_FILE:=$(ADK_TARGET_KERNEL)
  10 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  11 ifeq ($(ADK_TARGET_KERNEL_LINUXBIN),y)
  12 KERNEL_FILE:=vmlinux
  13 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  14 endif
  15 ifeq ($(ADK_TARGET_KERNEL_ZIMAGE),y)
  16 KERNEL_FILE:=vmlinux
  17 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  18 endif
  19 ifeq ($(ADK_TARGET_KERNEL_BZIMAGE),y)
  20 KERNEL_FILE:=vmlinux
  21 KERNEL_TARGET:=all
  22 endif
  23 ifeq ($(ADK_TARGET_KERNEL_IMAGE),y)
  24 KERNEL_FILE:=vmlinux
  25 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  26 endif
  27
  28 $(LINUX_DIR)/.prepared: $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION)/.patched
  29         $(TRACE) target/kernel-prepare
  30         ln -sf $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION) $(LINUX_DIR)
  31         mkdir -p $(LINUX_BUILD_DIR)/kmod-control
  32         touch $@
  33
  34 $(LINUX_DIR)/.config: $(LINUX_DIR)/.prepared $(BUILD_DIR)/.kernelconfig $(ADK_TOPDIR)/mk/modules.mk
  35         $(TRACE) target/$(ADK_TARGET_ARCH)-kernel-configure
  36         -for f in $(TARGETS);do if [ -f $$f ];then rm $$f;fi;done
  37         $(CP) $(BUILD_DIR)/.kernelconfig $(LINUX_DIR)/mini.config
  38         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=mini.config allnoconfig $(MAKE_TRACE)
  39         touch -c $(LINUX_DIR)/.config
  40
  41 $(LINUX_DIR)/$(KERNEL_FILE): $(LINUX_DIR)/.config
  42         $(TRACE) target/$(ADK_TARGET_ARCH)-kernel-compile
  43         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} LOCALVERSION="" $(KERNEL_TARGET) modules $(MAKE_TRACE)
  44         touch -c $(LINUX_DIR)/$(KERNEL_FILE)
  45
  46 $(LINUX_BUILD_DIR)/modules: $(LINUX_DIR)/$(KERNEL_FILE)
  47         $(TRACE) target/$(ADK_TARGET_ARCH)-kernel-modules-install
  48         rm -rf $(LINUX_BUILD_DIR)/modules
  49         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} DEPMOD=true \
  50                 INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules \
  51                 LOCALVERSION="" \
  52                 modules_install $(MAKE_TRACE)
  53         $(TRACE) target/$(ADK_TARGET_ARCH)-create-packages
  54         @mkdir -p ${PACKAGE_DIR}
  55 ifneq ($(strip $(TARGETS)),)
  56         $(MAKE) $(TARGETS)
  57 endif
  58
  59 $(INSTALL_TARGETS): $(LINUX_BUILD_DIR)/modules
  60
  61 prepare:
  62 compile: $(LINUX_BUILD_DIR)/modules
  63 install: compile $(INSTALL_TARGETS)
  64 ifneq ($(strip $(INSTALL_TARGETS)),)
  65         $(TRACE) target/${ADK_TARGET_ARCH}-modules-install
  66 ifeq ($(ADK_TARGET_PACKAGE_IPKG)$(ADK_TARGET_PACKAGE_OPKG),y)
  67         $(PKG_INSTALL) $(INSTALL_TARGETS) $(MAKE_TRACE)
  68 else
  69         $(foreach pkg,$(INSTALL_TARGETS),$(shell $(PKG_INSTALL) $(pkg)))
  70 endif
  71 endif
  72
  73 clean:
  74         rm -rf $(LINUX_BUILD_DIR)
  75         rm -f $(TARGETS)