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buildroot/target/linux/Makefile.in

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#############################################################
#
# Linux kernel 2.6 target
#
#############################################################
ifneq ($(filter $(TARGETS),linux26),)
ifeq ($(DOWNLOAD_LINUX26_VERSION),)
# User did not define linux version, try using headers
ifeq ($(LINUX_HEADERS_VERSION),)
# We did not have headers (this is for real???)
# Version of linux before patches
DOWNLOAD_LINUX26_VERSION=2.6.22.1
# Version of Linux after applying any patches
LINUX26_VERSION=2.6.22.1
else
# OK, we have headers, use them...
DOWNLOAD_LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
endif
endif
LINUX26_SOURCE=linux-$(DOWNLOAD_LINUX26_VERSION).tar.bz2
LINUX26_BZCAT:=$(BZCAT)
LINUX26_SITE=$(BR2_KERNEL_MIRROR)/linux/kernel/v2.6
ifeq ($(BOARD_PATH),)
BOARD_PATH:=$(call qstrip,$(BR2_BOARD_PATH))
endif
# Linux kernel configuration file
# Has to be set by the target/device
# If it is not set by the target/device, then pick the one from .config
ifndef LINUX26_KCONFIG
ifneq ($(call qstrip,$(BR2_PACKAGE_LINUX_KCONFIG)),)
LINUX26_KCONFIG=$(call qstrip,$(BR2_PACKAGE_LINUX_KCONFIG))
else
# LINUX26_KCONFIG=$(BOARD_PATH)/linux26.config
endif
endif
ifndef LINUX26_FORMAT
ifneq ($(call qstrip,$(BR2_PACKAGE_LINUX_FORMAT)),)
LINUX26_FORMAT=$(call qstrip,$(BR2_PACKAGE_LINUX_FORMAT))
else
ifneq ($(filter i386 x86-64,$(KERNEL_ARCH)),)
# zImage target no longer available on x86 since 2.6.30
LINUX26_FORMAT=bzImage
else
LINUX26_FORMAT=zImage
endif
endif
endif
# Has to be set by the target/device
ifndef LINUX26_BINLOC
# default:
ifeq ($(LINUX26_FORMAT),vmlinux)
LINUX26_BINLOC=$(LINUX26_FORMAT)
else
ifeq ($(BR2_ARCH),"cris")
LINUX26_BINLOC=arch/$(KERNEL_ARCH)/arch-v10/boot/$(LINUX26_FORMAT)
else
LINUX26_BINLOC=arch/$(KERNEL_ARCH)/boot/$(LINUX26_FORMAT)
endif
endif
endif
# File name for the Linux kernel binary
ifndef LINUX26_KERNEL
LINUX26_KERNEL_NAME=$(BINARIES_DIR)/$(LINUX26_FORMAT)
endif
# Version of Linux AFTER patches
LINUX26_DIR=$(BUILD_DIR)/linux-$(LINUX26_VERSION)
# for packages that need it
LINUX_VERSION:=$(LINUX26_VERSION)
LINUX_DIR=$(LINUX26_DIR)
LINUX_KERNEL=$(LINUX26_KERNEL_NAME)
# kernel patches
ifeq ($(strip $(LINUX26_PATCH_DIR)),)
ifneq ($(BOARD_PATH),)
LINUX26_PATCH_DIR:=$(BOARD_PATH)/kernel-patches/
endif
endif
LINUX26_MAKE_FLAGS = HOSTCC="$(HOSTCC)" HOSTCFLAGS="$(HOSTCFLAGS)" \
ARCH=$(KERNEL_ARCH) \
INSTALL_MOD_PATH=$(TARGET_DIR) \
CROSS_COMPILE=$(TARGET_CROSS) \
LDFLAGS="$(TARGET_LDFLAGS)" \
LZMA="$(LZMA)"
$(LINUX26_KCONFIG):
@if [ ! -f "$(LINUX26_KCONFIG)" ] ; then \
echo ""; \
echo "You should create a .config for your kernel"; \
echo "and install it as $(LINUX26_KCONFIG)"; \
echo ""; \
sleep 5; \
fi
ifneq ($(strip $(LINUX26_VERSION)),$(strip $(LINUX_HEADERS_VERSION)))
$(DL_DIR)/$(LINUX26_SOURCE):
$(call DOWNLOAD,$(LINUX26_SITE),$(LINUX26_SOURCE))
endif # ($(LINUX26_VERSION),$(LINUX_HEADERS_VERSION))
$(LINUX26_DIR)/.unpacked: $(DL_DIR)/$(LINUX26_SOURCE)
rm -rf $(LINUX26_DIR)
@echo "*** Unpacking kernel source"
$(LINUX26_BZCAT) $(DL_DIR)/$(LINUX26_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
ifneq ($(DOWNLOAD_LINUX26_VERSION),$(LINUX26_VERSION))
# Rename the dir from the downloaded version to the AFTER patch version
mv -f $(BUILD_DIR)/linux-$(DOWNLOAD_LINUX26_VERSION) $(LINUX26_DIR)
endif
touch $@
$(LINUX26_DIR)/.patched: $(LINUX26_DIR)/.unpacked $(LINUX_HEADERS_DEPENDS)
toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers \
linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
ifeq ($(BR2_KERNEL_HEADERS_RT),y)
toolchain/patch-kernel.sh $(LINUX26_DIR) $(DL_DIR) $(LINUX_RT_SOURCE)
endif
ifneq ($(KERNEL_HEADERS_PATCH_DIR),)
toolchain/patch-kernel.sh $(LINUX26_DIR) $(KERNEL_HEADERS_PATCH_DIR) \
linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
endif
ifeq ($(BR2_PACKAGE_OPENSWAN),y)
toolchain/patch-kernel.sh $(LINUX26_DIR) package/openswan \
linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
endif
ifneq ($(LINUX26_PATCH_DIR),)
if [ -d $(LINUX26_PATCH_DIR) ] ; then \
toolchain/patch-kernel.sh $(LINUX26_DIR) $(LINUX26_PATCH_DIR) linux-$(LINUX26_VERSION)\*.patch ; \
fi
endif
touch $@
$(LINUX26_DIR)/.configured: $(LINUX26_DIR)/.patched $(LINUX26_KCONFIG)
cp -dpf $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
$(SED) '/CONFIG_AEABI=y/d' $(LINUX26_DIR)/.config
ifeq ($(BR2_ARM_EABI),y)
echo "CONFIG_AEABI=y" >> $(LINUX26_DIR)/.config
$(SED) '/CONFIG_OABI_COMPAT/d' $(LINUX26_DIR)/.config
echo "# CONFIG_OABI_COMPAT is not set" >> $(LINUX26_DIR)/.config
else
echo "# CONFIG_AEABI is not set" >> $(LINUX26_DIR)/.config
endif
$(SED) '/CONFIG_IPV6=y/d' $(LINUX26_DIR)/.config
ifeq ($(BR2_INET_IPV6),y)
echo "CONFIG_IPV6=y" >> $(LINUX26_DIR)/.config
else
echo "# CONFIG_IPV6 is not set" >> $(LINUX26_DIR)/.config
endif
$(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config
$(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config
ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
echo "CONFIG_INITRAMFS_SOURCE=\"$(BINARIES_DIR)/rootfs.initramfs\"" >> \
$(LINUX26_DIR)/.config
echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config
echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config
else
echo "CONFIG_INITRAMFS_SOURCE=\"\"" >> $(LINUX26_DIR)/.config
endif
ifeq ($(BR2_PACKAGE_BUSYBOX_INITRAMFS),y)
# precedence for a small initramfs
$(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config
$(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config
echo "CONFIG_INITRAMFS_SOURCE=\"$(BB_INITRAMFS_TARGET)\"" >> \
$(LINUX26_DIR)/.config
echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config
echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config
endif
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) oldconfig
touch $@
$(LINUX26_DIR)/.depend_done: $(LINUX26_DIR)/.configured
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) prepare
touch $@
$(LINUX26_KERNEL_NAME): $(INITRAMFS_TARGET) $(BB_INITRAMFS_TARGET) \
$(LINUX26_DIR)/.depend_done
$(MAKE) $(LINUX26_MAKE_FLAGS) \
-C $(LINUX26_DIR) $(LINUX26_FORMAT)
cp -pf $(LINUX26_DIR)/$(LINUX26_BINLOC) $(LINUX26_KERNEL_NAME)
touch -c $@
$(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep: $(LINUX26_DIR)/.configured
rm -rf $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)
rm -f $(TARGET_DIR)/sbin/cardmgr
@if grep -q CONFIG_MODULES=y $(LINUX26_DIR)/.config; then \
set -x; \
echo "Have CONFIG_MODULES"; \
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules; \
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) \
DEPMOD=$(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 \
INSTALL_MOD_PATH=$(TARGET_DIR) modules_install; \
rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/build \
$(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/source; \
$(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 -b $(TARGET_DIR) $(LINUX_HEADERS_VERSION); \
else \
echo "No CONFIG_MODULES"; \
fi
touch -c $@
linux26-menuconfig: host-sed dirs $(LINUX26_DIR)/.patched
if [ ! -f $(LINUX26_DIR)/.config ]; then \
[ -n "$(LINUX26_KCONFIG)" ] && [ -f $(LINUX26_KCONFIG) ] && \
cp $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config || \
true; \
fi
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) menuconfig
-[ -f $(LINUX26_DIR)/.config ] && touch $(LINUX26_DIR)/.configured
linux26-xconfig: host-sed dirs $(LINUX26_DIR)/.patched
[ -f $(LINUX26_DIR)/.config ] || cp $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) xconfig
-[ -f $(LINUX26_DIR)/.config ] && touch $(LINUX26_DIR)/.configured
linux26: $(LINUX26_KERNEL_NAME)
$(LINUX26_DIR)/.modules_installed: $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep
touch $@
linux26-modules: cross-depmod26 $(LINUX26_DIR)/.modules_installed
linux26-source: $(DL_DIR)/$(LINUX26_SOURCE)
linux26-unpacked: $(LINUX26_DIR)/.patched
linux26-config: host-sed $(LINUX26_DIR)/.configured
linux26-update:
cp -dpf $(LINUX26_DIR)/.config $(LINUX26_KCONFIG)
# force rebuild
linux26-force:
touch $(LINUX26_DIR)/.configured
# This has been renamed so we do _NOT_ by default run this on 'make clean'
linux26clean:
rm -f $(LINUX26_KERNEL_NAME) $(LINUX26_DIR)/.configured
-$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX26_DIR) clean
linux26-dirclean:
rm -rf $(LINUX26_DIR)
endif
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