Build kernel compatible to the official OpenWRT release

Makefile

@@ -48,8 +48,10 @@ include $(TOPDIR)/include/host.mk
 _SINGLE=export MAKEFLAGS=$(space);
 
 override OPENWRT_BUILD=1
+override REVISION:=$(shell $(GLUON_BUILDERDIR)/openwrt_rev.sh $(GLUONDIR))
 GREP_OPTIONS=
-export OPENWRT_BUILD GREP_OPTIONS
+export OPENWRT_BUILD GREP_OPTIONS REVISION
+
 include $(TOPDIR)/include/debug.mk
 include $(TOPDIR)/include/depends.mk
 include $(TOPDIR)/include/toplevel.mk
@@ -81,7 +83,8 @@ include $(TOPDIR)/include/host.mk
 include rules.mk
 include $(INCLUDE_DIR)/depends.mk
 include $(INCLUDE_DIR)/subdir.mk
-include target/Makefile
+include $(INCLUDE_DIR)/kernel.mk
+
 include package/Makefile
 include tools/Makefile
 include toolchain/Makefile
@@ -109,12 +112,7 @@ $(BUILD_DIR)/.prepared: Makefile
 	@touch $@
 
 $(toolchain/stamp-install): $(tools/stamp-install)
-$(target/stamp-compile): $(toolchain/stamp-install) $(tools/stamp-install) $(BUILD_DIR)/.prepared
-$(package/stamp-cleanup): $(target/stamp-compile)
-$(package/stamp-compile): $(target/stamp-compile) $(package/stamp-cleanup)
-$(package/stamp-install): $(package/stamp-compile)
-$(package/stamp-rootfs-prepare): $(package/stamp-install)
-$(target/stamp-install): $(package/stamp-compile) $(package/stamp-install) $(package/stamp-rootfs-prepare)
+$(package/stamp-compile): $(package/stamp-cleanup)
 
 feeds: FORCE
 	ln -sf $(GLUON_BUILDERDIR)/feeds.conf feeds.conf
@@ -132,8 +130,19 @@ config: FORCE
 	$(SUBMAKE) defconfig OPENWRT_BUILD=0
 
 toolchain: $(toolchain/stamp-install) $(tools/stamp-install)
-target: $(target/stamp-compile)
+
+kernel: FORCE
+	$(NO_TRACE_MAKE) -C $(TOPDIR)/target/linux/$(BOARD) -f $(GLUON_BUILDERDIR)/Makefile.target $(LINUX_DIR)/.image TARGET_BUILD=1
+	$(NO_TRACE_MAKE) -C $(TOPDIR)/target/linux/$(BOARD) -f $(GLUON_BUILDERDIR)/Makefile.target $(LINUX_DIR)/.modules TARGET_BUILD=1
+
 packages: $(package/stamp-compile)
+	$(_SINGLE)$(SUBMAKE) -r package/index
+
+prepare-image: FORCE
+	rm -rf $(BOARD_KDIR)
+	mkdir -p $(BOARD_KDIR)
+	cp $(KERNEL_BUILD_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf $(BOARD_KDIR)/
+	$(SUBMAKE) -C $(TOPDIR)/target/linux/$(BOARD)/image -f $(GLUON_BUILDERDIR)/Makefile.image prepare KDIR="$(BOARD_KDIR)"
 
 prepare: FORCE
 	mkdir -p $(GLUON_IMAGEDIR) $(GLUON_BUILDDIR)/$(BOARD)
@@ -142,9 +151,9 @@ prepare: FORCE
 	$(GLUONMAKE) feeds
 	$(GLUONMAKE) config
 	$(GLUONMAKE) toolchain
-	$(GLUONMAKE) target
+	$(GLUONMAKE) kernel
 	$(GLUONMAKE) packages
-	$(SUBMAKE) -C $(GLUON_BUILDERDIR) prepare
+	$(GLUONMAKE) prepare-image
 
 	touch $(gluon_prepared_stamp)
 

builder/Makefile

@@ -17,10 +17,7 @@ include $(TOPDIR)/rules.mk
 PACKAGE_DIR := $(GLUON_OPENWRTDIR)/bin/$(BOARD)/packages
 BIN_DIR := $(GLUON_IMAGEDIR)/$(BOARD)/$(PROFILE)
 
-BOARD_BUILDDIR := $(GLUON_BUILDDIR)/$(BOARD)
 PROFILE_BUILDDIR := $(BOARD_BUILDDIR)/$(PROFILE)
-
-BOARD_KDIR := $(BOARD_BUILDDIR)/kernel
 PROFILE_KDIR := $(PROFILE_BUILDDIR)/kernel
 
 TMP_DIR := $(PROFILE_BUILDDIR)/tmp
@@ -70,20 +67,10 @@ BUILD_PACKAGES:=$(sort $(DEFAULT_PACKAGES) $(USER_PACKAGES) $($(PROFILE)_PACKAGE
 BUILD_PACKAGES:=$(filter-out $(filter -%,$(BUILD_PACKAGES)) $(patsubst -%,%,$(filter -%,$(BUILD_PACKAGES))),$(BUILD_PACKAGES))
 PACKAGES:=
 
-include $(INCLUDE_DIR)/kernel-build.mk
-
-prepare: FORCE
-	$(Kernel/CompileImage)
-	rm -rf $(BOARD_KDIR)
-	mkdir -p $(BOARD_KDIR)
-	cp $(KERNEL_BUILD_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf $(BOARD_KDIR)/
-	$(MAKE) -C $(TOPDIR)/target/linux/$(BOARD)/image -f $(GLUON_BUILDERDIR)/Makefile.image prepare KDIR="$(BOARD_KDIR)"
-	$(MAKE) package_index
-
 image/%:: FORCE
 	$(MAKE) assemble_image PROFILE="$(patsubst image/%,%,$@)"
 
-assemble_image:
+assemble_image: FORCE
 	echo 'Building images for $(BOARD)$(if $($(PROFILE)_NAME), - $($(PROFILE)_NAME))'
 	echo 'Packages: $(BUILD_PACKAGES)'
 	echo
@@ -91,19 +78,9 @@ assemble_image:
 	mkdir -p $(TARGET_DIR) $(BIN_DIR) $(TMP_DIR) $(TARGET_DIR)/tmp
 	$(OPKG) update
 	$(MAKE) package_install
-ifneq ($(USER_FILES),)
-	$(MAKE) copy_files
-endif
 	$(MAKE) package_postinst
 	$(MAKE) build_image
 
-package_index: FORCE
-	@echo
-	@echo Building package index...
-	(cd $(PACKAGE_DIR); $(SCRIPT_DIR)/ipkg-make-index.sh . > Packages && \
-		gzip -9c Packages > Packages.gz \
-	) >/dev/null 2>/dev/null
-
 package_install: FORCE
 	@echo
 	@echo Installing packages...
@@ -153,12 +130,8 @@ build_image: FORCE
 	$(NO_TRACE_MAKE) -C $(TOPDIR)/target/linux/$(BOARD)/image install TARGET_BUILD=1 IB=1 IMG_PREFIX="gluon-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))" \
 		PROFILE="$(PROFILE)" KDIR="$(PROFILE_KDIR)" TARGET_DIR="$(TARGET_DIR)" BIN_DIR="$(BIN_DIR)" TMP_DIR="$(TMP_DIR)"
 
-image:
-	(unset PROFILE FILES PACKAGES MAKEFLAGS; \
-		$(MAKE) image/$(PROFILE) OPENWRT_VERBOSE="$(OPENWRT_VERBOSE)" \
-			$(if $(FILES),USER_FILES="$(FILES)") \
-			$(if $(PACKAGES),USER_PACKAGES="$(PACKAGES)") \
-	)
+image: FORCE
+	$(MAKE) image/$(PROFILE) V="$(OPENWRT_VERBOSE)" $(if $(PACKAGES),USER_PACKAGES="$(PACKAGES)")
 
 .SILENT: prepare image
 

builder/Makefile.target

@@ -0,0 +1,11 @@
+override define Kernel/Configure
+	cp $(GLUONDIR)/kernel/config-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET)) $(LINUX_DIR)/.config
+	$(MAKE) $(KERNEL_MAKEOPTS) oldnoconfig
+	$(call Kernel/SetInitramfs)
+	rm -rf $(KERNEL_BUILD_DIR)/modules
+	[ -d $(LINUX_DIR)/user_headers ] || $(MAKE) $(KERNEL_MAKEOPTS) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install
+	cp $(GLUONDIR)/kernel/vermagic-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET)) $(LINUX_DIR)/.vermagic
+endef
+
+# The Makefile included here is $(TOPDIR)/target/linux/$(BOARD)/Makefile
+include Makefile

builder/gluon.mk

@@ -7,6 +7,9 @@ GLUON_OPENWRTDIR := $(GLUONDIR)/openwrt
 GLUON_BUILDERDIR := $(GLUONDIR)/builder
 GLUON_BUILDDIR := $(GLUONDIR)/build
 
+BOARD_BUILDDIR = $(GLUON_BUILDDIR)/$(BOARD)
+BOARD_KDIR = $(BOARD_BUILDDIR)/kernel
+
 export GLUONDIR GLUON_SITEDIR GLUON_IMAGEDIR GLUON_OPENWRTDIR GLUON_BUILDERDIR GLUON_BUILDDIR
 
 $(GLUON_SITEDIR)/site.mk:

kernel/vermagic-ar71xx-generic

@@ -0,0 +1 @@
+5440da3a2c45184a32da6bba25b8dd2a