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linux: convert to the GENTARGETS infrastructure

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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Thomas Petazzoni 2011-07-11 22:46:08 +02:00 committed by Peter Korsgaard
parent af52661d19
commit 9af0ee86b7
1 changed files with 60 additions and 64 deletions
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110
linux/linux.mk
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@ -7,16 +7,18 @@ LINUX_VERSION=$(call qstrip,$(BR2_LINUX_KERNEL_VERSION))
# Compute LINUX_SOURCE and LINUX_SITE from the configuration # Compute LINUX_SOURCE and LINUX_SITE from the configuration
ifeq ($(LINUX_VERSION),custom) ifeq ($(LINUX_VERSION),custom)
LINUX_TARBALL:=$(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION)) LINUX_TARBALL = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION))
LINUX_SITE:=$(dir $(LINUX_TARBALL)) LINUX_SITE = $(dir $(LINUX_TARBALL))
LINUX_SOURCE:=$(notdir $(LINUX_TARBALL)) LINUX_SOURCE = $(notdir $(LINUX_TARBALL))
else else
LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2 LINUX_SOURCE = linux-$(LINUX_VERSION).tar.bz2
LINUX_SITE:=$(BR2_KERNEL_MIRROR)/linux/kernel/v2.6/ LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v2.6/
endif endif
LINUX_DIR:=$(BUILD_DIR)/linux-$(LINUX_VERSION) LINUX_PATCHES = $(call qstrip,$(BR2_LINUX_KERNEL_PATCH))
LINUX_PATCH=$(call qstrip,$(BR2_LINUX_KERNEL_PATCH))
LINUX_INSTALL_IMAGES = YES
LINUX_DEPENDENCIES += host-module-init-tools
LINUX_MAKE_FLAGS = \ LINUX_MAKE_FLAGS = \
HOSTCC="$(HOSTCC)" \ HOSTCC="$(HOSTCC)" \
@ -74,27 +76,17 @@ LINUX_IMAGE_PATH=$(KERNEL_ARCH_PATH)/boot/$(LINUX_IMAGE_NAME)
endif endif
endif # BR2_LINUX_KERNEL_VMLINUX endif # BR2_LINUX_KERNEL_VMLINUX
# Download define LINUX_DOWNLOAD_PATCHES
$(LINUX_DIR)/.stamp_downloaded: $(if $(LINUX_PATCHES),
@$(call MESSAGE,"Downloading kernel") @$(call MESSAGE,"Download additional patches"))
$(call DOWNLOAD,$(LINUX_SITE),$(LINUX_SOURCE)) $(foreach patch,$(filter ftp://% http://%,$(LINUX_PATCHES)),\
$(foreach patch,$(filter ftp://% http://%,$(LINUX_PATCH)),\
$(call DOWNLOAD,$(dir $(patch)),$(notdir $(patch)))$(sep)) $(call DOWNLOAD,$(dir $(patch)),$(notdir $(patch)))$(sep))
mkdir -p $(@D) endef
touch $@
# Extraction LINUX_POST_DOWNLOAD_HOOKS += LINUX_DOWNLOAD_PATCHES
$(LINUX_DIR)/.stamp_extracted: $(LINUX_DIR)/.stamp_downloaded
@$(call MESSAGE,"Extracting kernel")
mkdir -p $(@D)
$(Q)$(INFLATE$(suffix $(LINUX_SOURCE))) $(DL_DIR)/$(LINUX_SOURCE) | \
tar -C $(@D) $(TAR_STRIP_COMPONENTS)=1 $(TAR_OPTIONS) -
$(Q)touch $@
# Patch define LINUX_APPLY_PATCHES
$(LINUX_DIR)/.stamp_patched: $(LINUX_DIR)/.stamp_extracted for p in $(LINUX_PATCHES) ; do \
@$(call MESSAGE,"Patching kernel")
for p in $(LINUX_PATCH) ; do \
if echo $$p | grep -q -E "^ftp://|^http://" ; then \ if echo $$p | grep -q -E "^ftp://|^http://" ; then \
toolchain/patch-kernel.sh $(@D) $(DL_DIR) `basename $$p` ; \ toolchain/patch-kernel.sh $(@D) $(DL_DIR) `basename $$p` ; \
elif test -d $$p ; then \ elif test -d $$p ; then \
@ -103,64 +95,66 @@ $(LINUX_DIR)/.stamp_patched: $(LINUX_DIR)/.stamp_extracted
toolchain/patch-kernel.sh $(@D) `dirname $$p` `basename $$p` ; \ toolchain/patch-kernel.sh $(@D) `dirname $$p` `basename $$p` ; \
fi \ fi \
done done
$(Q)touch $@ endef
LINUX_POST_PATCH_HOOKS += LINUX_APPLY_PATCHES
# Configuration
$(LINUX_DIR)/.stamp_configured: $(LINUX_DIR)/.stamp_patched
@$(call MESSAGE,"Configuring kernel")
ifeq ($(BR2_LINUX_KERNEL_USE_DEFCONFIG),y) ifeq ($(BR2_LINUX_KERNEL_USE_DEFCONFIG),y)
$(TARGET_MAKE_ENV) $(MAKE1) $(LINUX_MAKE_FLAGS) -C $(@D) $(call qstrip,$(BR2_LINUX_KERNEL_DEFCONFIG))_defconfig KERNEL_SOURCE_CONFIG = $(KERNEL_ARCH_PATH)/configs/$(call qstrip,$(BR2_LINUX_KERNEL_DEFCONFIG))_defconfig
else ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG),y) else ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG),y)
cp $(BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE) $(KERNEL_ARCH_PATH)/configs/buildroot_defconfig KERNEL_SOURCE_CONFIG = $(BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE)
endif
define LINUX_CONFIGURE_CMDS
cp $(KERNEL_SOURCE_CONFIG) $(KERNEL_ARCH_PATH)/configs/buildroot_defconfig
$(TARGET_MAKE_ENV) $(MAKE1) $(LINUX_MAKE_FLAGS) -C $(@D) buildroot_defconfig $(TARGET_MAKE_ENV) $(MAKE1) $(LINUX_MAKE_FLAGS) -C $(@D) buildroot_defconfig
rm $(KERNEL_ARCH_PATH)/configs/buildroot_defconfig rm $(KERNEL_ARCH_PATH)/configs/buildroot_defconfig
endif $(if $(BR2_ARM_EABI),
ifeq ($(BR2_ARM_EABI),y) $(call KCONFIG_ENABLE_OPT,CONFIG_AEABI,$(@D)/.config),
$(call KCONFIG_ENABLE_OPT,CONFIG_AEABI,$(@D)/.config) $(call KCONFIG_DISABLE_OPT,CONFIG_AEABI,$(@D)/.config))
else
$(call KCONFIG_DISABLE_OPT,CONFIG_AEABI,$(@D)/.config)
endif
ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
# As the kernel gets compiled before root filesystems are # As the kernel gets compiled before root filesystems are
# built, we create a fake initramfs file list. It'll be # built, we create a fake initramfs file list. It'll be
# replaced later by the real list, and the kernel will be # replaced later by the real list, and the kernel will be
# rebuilt using the linux26-rebuild-with-initramfs target. # rebuilt using the linux26-rebuild-with-initramfs target.
$(if $(BR2_TARGET_ROOTFS_INITRAMFS),
touch $(BINARIES_DIR)/rootfs.initramfs touch $(BINARIES_DIR)/rootfs.initramfs
$(call KCONFIG_ENABLE_OPT,CONFIG_BLK_DEV_INITRD,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_BLK_DEV_INITRD,$(@D)/.config)
$(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_SOURCE,\"$(BINARIES_DIR)/rootfs.initramfs\",$(@D)/.config) $(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_SOURCE,\"$(BINARIES_DIR)/rootfs.initramfs\",$(@D)/.config)
$(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_ROOT_UID,0,$(@D)/.config) $(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_ROOT_UID,0,$(@D)/.config)
$(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_ROOT_GID,0,$(@D)/.config) $(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_ROOT_GID,0,$(@D)/.config)
$(call KCONFIG_DISABLE_OPT,CONFIG_INITRAMFS_COMPRESSION_NONE,$(@D)/.config) $(call KCONFIG_DISABLE_OPT,CONFIG_INITRAMFS_COMPRESSION_NONE,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_INITRAMFS_COMPRESSION_GZIP,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_INITRAMFS_COMPRESSION_GZIP,$(@D)/.config))
endif $(if $(BR2_ROOTFS_DEVICE_CREATION_STATIC),,
ifneq ($(BR2_ROOTFS_DEVICE_CREATION_STATIC),y)
$(call KCONFIG_ENABLE_OPT,CONFIG_DEVTMPFS,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_DEVTMPFS,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_DEVTMPFS_MOUNT,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_DEVTMPFS_MOUNT,$(@D)/.config))
endif $(if $(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),
ifeq ($(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),y) $(call KCONFIG_SET_OPT,CONFIG_UEVENT_HELPER_PATH,\"/sbin/mdev\",$(@D)/.config))
$(call KCONFIG_SET_OPT,CONFIG_UEVENT_HELPER_PATH,\"/sbin/mdev\",$(@D)/.config) yes '' | $(TARGET_MAKE_ENV) $(MAKE1) $(LINUX_MAKE_FLAGS) -C $(@D) oldconfig
endif endef
$(TARGET_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) oldconfig
$(Q)touch $@
# Compilation. We make sure the kernel gets rebuilt when the # Compilation. We make sure the kernel gets rebuilt when the
# configuration has changed. # configuration has changed.
$(LINUX_DIR)/.stamp_compiled: $(LINUX_DIR)/.stamp_configured $(LINUX_DIR)/.config define LINUX_BUILD_CMDS
@$(call MESSAGE,"Compiling kernel")
$(TARGET_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) $(LINUX_IMAGE_NAME) $(TARGET_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) $(LINUX_IMAGE_NAME)
@if grep -q "CONFIG_MODULES=y" $(@D)/.config; then \ @if grep -q "CONFIG_MODULES=y" $(@D)/.config; then \
$(TARGET_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) modules ; \ $(TARGET_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) modules ; \
fi fi
$(Q)touch $@ endef
# Installation
$(LINUX_DIR)/.stamp_installed: $(LINUX_DIR)/.stamp_compiled
@$(call MESSAGE,"Installing kernel")
ifeq ($(BR2_LINUX_KERNEL_INSTALL_TARGET),y) ifeq ($(BR2_LINUX_KERNEL_INSTALL_TARGET),y)
define LINUX_INSTALL_KERNEL_IMAGE_TO_TARGET
install -m 0644 -D $(LINUX_IMAGE_PATH) $(TARGET_DIR)/boot/$(LINUX_IMAGE_NAME) install -m 0644 -D $(LINUX_IMAGE_PATH) $(TARGET_DIR)/boot/$(LINUX_IMAGE_NAME)
endef
endif endif
define LINUX_INSTALL_IMAGES_CMDS
cp $(LINUX_IMAGE_PATH) $(BINARIES_DIR) cp $(LINUX_IMAGE_PATH) $(BINARIES_DIR)
endef
define LINUX_INSTALL_TARGET_CMDS
$(LINUX_INSTALL_KERNEL_IMAGE_TO_TARGET)
# Install modules and remove symbolic links pointing to build # Install modules and remove symbolic links pointing to build
# directories, not relevant on the target # directories, not relevant on the target
@if grep -q "CONFIG_MODULES=y" $(@D)/.config; then \ @if grep -q "CONFIG_MODULES=y" $(@D)/.config; then \
@ -169,17 +163,18 @@ endif
rm -f $(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED)/build ; \ rm -f $(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED)/build ; \
rm -f $(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED)/source ; \ rm -f $(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED)/source ; \
fi fi
$(Q)touch $@ endef
linux linux26: host-module-init-tools $(LINUX_DEPENDENCIES) $(LINUX_DIR)/.stamp_installed $(eval $(call GENTARGETS,,linux))
linux-menuconfig linux-xconfig linux-gconfig linux-nconfig linux26-menuconfig linux26-xconfig linux26-gconfig linux26-nconfig: dirs $(LINUX_DIR)/.stamp_configured linux-menuconfig linux-xconfig linux-gconfig linux-nconfig linux26-menuconfig linux26-xconfig linux26-gconfig linux26-nconfig: dirs $(LINUX_DIR)/.stamp_configured
$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) \ $(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) \
$(subst linux-,,$(subst linux26-,,$@)) $(subst linux-,,$(subst linux26-,,$@))
rm -f $(LINUX_DIR)/.stamp_{built,target_installed,images_installed}
# Support for rebuilding the kernel after the initramfs file list has # Support for rebuilding the kernel after the initramfs file list has
# been generated in $(BINARIES_DIR)/rootfs.initramfs. # been generated in $(BINARIES_DIR)/rootfs.initramfs.
$(LINUX_DIR)/.stamp_initramfs_rebuilt: $(LINUX_DIR)/.stamp_installed $(BINARIES_DIR)/rootfs.initramfs $(LINUX_DIR)/.stamp_initramfs_rebuilt: $(LINUX_DIR)/.stamp_target_installed $(LINUX_DIR)/.stamp_images_installed $(BINARIES_DIR)/rootfs.initramfs
@$(call MESSAGE,"Rebuilding kernel with initramfs") @$(call MESSAGE,"Rebuilding kernel with initramfs")
# Remove the previously generated initramfs which was empty, # Remove the previously generated initramfs which was empty,
# to make sure the kernel will actually regenerate it. # to make sure the kernel will actually regenerate it.
@ -194,6 +189,7 @@ $(LINUX_DIR)/.stamp_initramfs_rebuilt: $(LINUX_DIR)/.stamp_installed $(BINARIES_
# after it generated the initramfs list of files. # after it generated the initramfs list of files.
linux-rebuild-with-initramfs linux26-rebuild-with-initramfs: $(LINUX_DIR)/.stamp_initramfs_rebuilt linux-rebuild-with-initramfs linux26-rebuild-with-initramfs: $(LINUX_DIR)/.stamp_initramfs_rebuilt
ifeq ($(BR2_LINUX_KERNEL),y) ifeq ($(BR2_LINUX_KERNEL),y)
TARGETS+=linux TARGETS+=linux
endif endif