This patch allows each project to have a private linux build.

Split build of kernel headers and kernel image into two source trees.
Kernel headers are built in $(TOOL_BUILD_DIR)
Kernel build is in $(PROJECT_BUILD_DIR)

Make sure that kernel patches are applied to the kernel tree in
$(PROJECT_BUILD_DIR)
Add board specific patches, if available.
This commit is contained in:
Ulf Samuelsson 2007-08-24 05:36:46 +00:00
parent 85f54fbe21
commit 60eb97a42f
3 changed files with 58 additions and 24 deletions

View File

@ -6,48 +6,53 @@
ifneq ($(filter $(TARGETS),linux26),)
ifeq ($(DOWNLOAD_LINUX26_VERSION),)
# User did not define linux version, try using headers
ifeq ($(LINUX_HEADERS_VERSION),)
# Version of Linux to download and then apply patches to
# XXX: andersee, i do not understand why we need this (BF)
DOWNLOAD_LINUX26_VERSION=2.6.19.2
# We did not have headers (this is for real???)
# Version of linuc before patches
DOWNLOAD_LINUX26_VERSION=2.6.22.1
# Version of Linux after applying any patches
LINUX26_VERSION=2.6.19.2
LINUX26_VERSION=2.6.22.1
else
# OK, we have headers, use them...
DOWNLOAD_LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
endif
endif
LINUX26_SOURCE=linux-$(DOWNLOAD_LINUX26_VERSION).tar.bz2
LINUX26_BZCAT:=$(BZCAT)
LINUX26_SITE=http://ftp.kernel.org/pub/linux/kernel/v2.6
#LINUX26_FORMAT=vmlinux
#LINUX26_BINLOC=$(LINUX26_FORMAT)
ifeq ($(BOARD_PATH),)
BOARD_PATH:=$(strip $(subst ",,$(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
# LINUX26_KCONFIG=$(BR2_BOARD_PATH)/linux26.config
ifndef LINUX26_KCONFIG
ifneq ($(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG))),)
LINUX26_KCONFIG=$(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG)))
#"))
#"))
else
# LINUX26_KCONFIG=$(BOARD_PATH)/linux26.config
endif
endif
ifndef LINUX26_FORMAT
ifneq ($(strip $(subst ",,$(BR2_PACKAGE_LINUX_FORMAT))),)
LINUX26_FORMAT=$(strip $(subst ",,$(BR2_PACKAGE_LINUX_FORMAT)))
#"))
#"))
else
LINUX26_FORMAT=zImage
endif
endif
# Has to be set by the target/device
# LINUX26_FORMAT=bzImage
ifndef LINUX26_FORMAT
LINUX26_FORMAT=zImage
endif
# Has to be set by the target/device
ifndef LINUX26_BINLOC
# default:
@ -60,15 +65,20 @@ LINUX26_KERNEL=$(BINARIES_DIR)/linux-kernel-$(LINUX26_VERSION)-$(KERNEL_ARCH)
endif
# Version of Linux AFTER patches
LINUX26_DIR=$(BUILD_DIR)/linux-$(LINUX26_VERSION)
LINUX26_DIR=$(PROJECT_BUILD_DIR)/linux-$(LINUX26_VERSION)
# for packages that need it
LINUX_VERSION:=$(LINUX_VERSION)
LINUX_VERSION:=$(LINUX26_VERSION)
LINUX_DIR=$(LINUX26_DIR)
LINUX_KERNEL=$(LINUX26_KERNEL)
# kernel patches
LINUX26_PATCH_DIR=$(BR2_BOARD_PATH)/kernel-patches/
ifeq ($(strip $(LINUX26_PATCH_DIR)),)
ifneq ($(BOARD_PATH),)
LINUX26_PATCH_DIR:=$(BOARD_PATH)/kernel-patches/
#"))
endif
endif
__LINUX26_NO_PIC=-fPIC -fpic -DPIC
LINUX26_MAKE_FLAGS = HOSTCC="$(HOSTCC)" HOSTCFLAGS=$(HOSTCFLAGS) \
ARCH=$(KERNEL_ARCH) \
@ -88,20 +98,43 @@ $(LINUX26_KCONFIG):
ifneq ($(strip $(LINUX26_VERSION)),$(strip $(LINUX_HEADERS_VERSION)))
$(DL_DIR)/$(LINUX26_SOURCE):
$(WGET) -P $(DL_DIR) $(LINUX26_SITE)/$(LINUX26_SOURCE)
endif # ($(LINUX26_VERSION),$(LINUX_HEADERS_VERSION))
$(LINUX26_DIR)/.unpacked: $(DL_DIR)/$(LINUX26_SOURCE)
rm -rf $(LINUX26_DIR)
$(LINUX26_BZCAT) $(DL_DIR)/$(LINUX26_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
@echo "*** Unpacking kernel source"
$(LINUX26_BZCAT) $(DL_DIR)/$(LINUX26_SOURCE) | tar -C $(PROJECT_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)
mv -f $(PROJECT_BUILD_DIR)/linux-$(DOWNLOAD_LINUX26_VERSION) $(LINUX26_DIR)
endif
touch $@
$(LINUX26_DIR)/.patched: $(LINUX26_DIR)/.unpacked
toolchain/patch-kernel.sh $(LINUX26_DIR) $(LINUX26_PATCH_DIR) \*.patch
toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers \
linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
ifeq ($(BR2_KERNEL_HEADERS_IPMI),y)
toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers/ipmi \
linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
endif
ifeq ($(BR2_KERNEL_HEADERS_LZMA),y)
toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers/lzma \
linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
endif
ifeq ($(BR2_KERNEL_HEADERS_PATCH_DIR),y)
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 $(LINUX_HEADERS_UNPACK_DIR) package/openswan \
linux-$(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 $@
endif # ($(LINUX26_VERSION),$(LINUX_HEADERS_VERSION))
$(LINUX26_DIR)/.configured: $(LINUX26_DIR)/.patched $(LINUX26_KCONFIG)
cp -dpf $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config

View File

@ -13,7 +13,7 @@ LINUX_HEADERS_VERSION:=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
LINUX_HEADERS_SITE:=http://www.kernel.org/pub/linux/kernel/v2.6/
LINUX_HEADERS_SOURCE:=linux-$(LINUX_HEADERS_VERSION).tar.bz2
LINUX_HEADERS_CAT:=$(BZCAT)
LINUX_HEADERS_UNPACK_DIR:=$(BUILD_DIR)/linux-$(LINUX_HEADERS_VERSION)
LINUX_HEADERS_UNPACK_DIR:=$(TOOL_BUILD_DIR)/linux-$(LINUX_HEADERS_VERSION)
LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
LINUX_HEADERS_IS_KERNEL=y
endif
@ -28,7 +28,7 @@ LINUX_HEADERS_VERSION:=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
LINUX_HEADERS_SITE:=http://www.kernel.org/pub/linux/kernel/v2.6/
LINUX_HEADERS_SOURCE:=linux-$(LINUX_HEADERS_VERSION).tar.bz2
LINUX_HEADERS_CAT:=$(BZCAT)
LINUX_HEADERS_UNPACK_DIR:=$(BUILD_DIR)/linux-$(LINUX_HEADERS_VERSION)
LINUX_HEADERS_UNPACK_DIR:=$(TOOL_BUILD_DIR)/linux-$(LINUX_HEADERS_VERSION)
LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
LINUX_HEADERS_IS_KERNEL=y
endif
@ -43,7 +43,7 @@ LINUX_HEADERS_VERSION:=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
LINUX_HEADERS_SITE:=http://www.kernel.org/pub/linux/kernel/v2.6/
LINUX_HEADERS_SOURCE:=linux-$(LINUX_HEADERS_VERSION).tar.bz2
LINUX_HEADERS_CAT:=$(BZCAT)
LINUX_HEADERS_UNPACK_DIR:=$(BUILD_DIR)/linux-$(LINUX_HEADERS_VERSION)
LINUX_HEADERS_UNPACK_DIR:=$(TOOL_BUILD_DIR)/linux-$(LINUX_HEADERS_VERSION)
LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
LINUX_HEADERS_IS_KERNEL=y
endif
@ -56,8 +56,8 @@ KERNEL_HEADERS_PATCH_DIR:=toolchain/kernel-headers/empty
$(LINUX_HEADERS_UNPACK_DIR)/.unpacked: $(DL_DIR)/$(LINUX_HEADERS_SOURCE)
@echo "*** Using kernel-headers generated from kernel source"
rm -rf $(LINUX_HEADERS_DIR)
[ -d $(BUILD_DIR) ] || $(INSTALL) -d $(BUILD_DIR)
$(LINUX_HEADERS_CAT) $(DL_DIR)/$(LINUX_HEADERS_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
[ -d $(TOOL_BUILD_DIR) ] || $(INSTALL) -d $(TOOL_BUILD_DIR)
$(LINUX_HEADERS_CAT) $(DL_DIR)/$(LINUX_HEADERS_SOURCE) | tar -C $(TOOL_BUILD_DIR) $(TAR_OPTIONS) -
touch $@
$(LINUX_HEADERS_UNPACK_DIR)/.patched: $(LINUX_HEADERS_UNPACK_DIR)/.unpacked

View File

@ -37,5 +37,6 @@ kernel-headers-clean: clean
kernel-headers-dirclean:
rm -rf $(LINUX_HEADERS_DIR)
rm -rf $(LINUX_HEADERS_UNPACK_DIR)
.PHONY: kernel-headers