98 lines
3.5 KiB
Makefile
98 lines
3.5 KiB
Makefile
#############################################################
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#
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# Setup the kernel headers. I include a generic package of
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# kernel headers here, so you shouldn't need to include your
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# own. Be aware these kernel headers _will_ get blown away
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# by a 'make clean' so don't put anything sacred in here...
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#
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#############################################################
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DEFAULT_KERNEL_HEADERS:=$(call qstrip,$(BR2_DEFAULT_KERNEL_HEADERS))
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LINUX_HEADERS_SITE:=127.0.0.1
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LINUX_HEADERS_SOURCE:=unspecified-kernel-headers
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LINUX_HEADERS_UNPACK_DIR:=$(TOOLCHAIN_DIR)/linux-libc-headers-null
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# parse linux version string
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LNXVER:=$(subst ., , $(strip $(DEFAULT_KERNEL_HEADERS)))
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VERSION:=$(word 1, $(LNXVER))
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PATCHLEVEL:=$(word 2, $(LNXVER))
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SUBLEVEL:=$(word 3, $(LNXVER))
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EXTRAVERSION:=$(word 4, $(LNXVER))
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LOCALVERSION:=
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# should contain prepended dot
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SUBLEVEL:=$(if $(SUBLEVEL),.$(SUBLEVEL),)
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EXTRAVERSION:=$(if $(EXTRAVERSION),.$(EXTRAVERSION),)
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LINUX_HEADERS_VERSION:=$(VERSION).$(PATCHLEVEL)$(SUBLEVEL)$(EXTRAVERSION)
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ifeq ($(findstring x2.6.,x$(DEFAULT_KERNEL_HEADERS)),x2.6.)
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LINUX_HEADERS_SITE:=$(BR2_KERNEL_MIRROR)/linux/kernel/v2.6/
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else
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LINUX_HEADERS_SITE:=$(BR2_KERNEL_MIRROR)/linux/kernel/v3.0/
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endif
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LINUX_HEADERS_SOURCE:=linux-$(LINUX_HEADERS_VERSION).tar.bz2
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LINUX_HEADERS_CAT:=$(BZCAT)
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LINUX_HEADERS_UNPACK_DIR:=$(TOOLCHAIN_DIR)/linux-$(LINUX_HEADERS_VERSION)
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LINUX_HEADERS_DIR:=$(TOOLCHAIN_DIR)/linux
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# long term support kernels are stored in a longterm/v2.6.x subdir
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ifeq ($(BR2_KERNEL_HEADERS_2_6_35),y)
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DEFAULT_KERNEL_HEADERS_MAJOR := \
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$(shell echo $(DEFAULT_KERNEL_HEADERS) | sed 's/\.[0-9]*$$//')
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# += adds a space between
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LINUX_HEADERS_SITE:= \
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$(LINUX_HEADERS_SITE)longterm/v$(DEFAULT_KERNEL_HEADERS_MAJOR)/
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endif
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LINUX_HEADERS_DEPENDS:=
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$(LINUX_HEADERS_UNPACK_DIR)/.unpacked: $(DL_DIR)/$(LINUX_HEADERS_SOURCE)
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rm -rf $(LINUX_HEADERS_DIR)
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$(INSTALL) -d $(@D)
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$(LINUX_HEADERS_CAT) $(DL_DIR)/$(LINUX_HEADERS_SOURCE) | \
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tar $(TAR_STRIP_COMPONENTS)=1 -C $(@D) $(TAR_OPTIONS) -
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touch $@
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$(LINUX_HEADERS_UNPACK_DIR)/.patched: $(LINUX_HEADERS_UNPACK_DIR)/.unpacked $(LINUX_HEADERS_DEPENDS)
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toolchain/patch-kernel.sh $(LINUX_HEADERS_UNPACK_DIR) toolchain/kernel-headers \
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linux-$(LINUX_HEADERS_VERSION)-\*.patch{,.gz,.bz2}
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ifneq ($(KERNEL_HEADERS_PATCH_DIR),)
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toolchain/patch-kernel.sh $(LINUX_HEADERS_UNPACK_DIR) $(KERNEL_HEADERS_PATCH_DIR) \
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linux-$(LINUX_HEADERS_VERSION)-\*.patch{,.gz,.bz2}
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endif
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touch $@
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$(LINUX_HEADERS_DIR)/.configured: $(LINUX_HEADERS_UNPACK_DIR)/.patched
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(cd $(LINUX_HEADERS_UNPACK_DIR); \
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$(MAKE) ARCH=$(KERNEL_ARCH) \
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HOSTCC="$(HOSTCC)" HOSTCFLAGS="$(HOSTCFLAGS)" \
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HOSTCXX="$(HOSTCXX)" \
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INSTALL_HDR_PATH=$(LINUX_HEADERS_DIR) headers_install; \
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)
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ifeq ($(BR2_ARCH),"cris")
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ln -s $(LINUX_HEADERS_DIR)/include/arch-v10/arch $(LINUX_HEADERS_DIR)/include/arch
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cp -a $(LINUX_HEADERS_UNPACK_DIR)/include/linux/user.h $(LINUX_HEADERS_DIR)/include/linux
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$(SED) "/^#include <asm\/page\.h>/d" $(LINUX_HEADERS_DIR)/include/asm/user.h
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endif
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touch $@
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$(DL_DIR)/$(LINUX_HEADERS_SOURCE):
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ifeq ($(BR2_KERNEL_HEADERS_SNAP),y)
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$(error No local $@ found, cannot continue. Are you sure you wanted to enable BR2_KERNEL_HEADERS_SNAP?)
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endif
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$(call DOWNLOAD,$(LINUX_HEADERS_SITE),$(LINUX_HEADERS_SOURCE))
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kernel-headers: $(LINUX_HEADERS_DIR)/.configured
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kernel-headers-source: $(DL_DIR)/$(LINUX_HEADERS_SOURCE)
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kernel-headers-clean: clean
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rm -rf $(LINUX_HEADERS_DIR)
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kernel-headers-dirclean:
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rm -rf $(LINUX_HEADERS_DIR)
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rm -rf $(LINUX_HEADERS_UNPACK_DIR)
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.PHONY: kernel-headers
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