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openwrtv3/include/kernel.mk
Rafał Miłecki 966ba6daa4 kernel: fix downloading rcX releases 
They are no longer stored in the "testing" subdirectory and are not
available as .tar.xz archives. If -rc is detected download it from the
git.kernel.org and use .tar.gz.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2018-12-03 09:34:57 +01:00

297 lines
9.1 KiB
Makefile
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#
# Copyright (C) 2006-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
ifneq ($(filter check,$(MAKECMDGOALS)),)
CHECK:=1
DUMP:=1
endif
ifneq ($(SOURCE_DATE_EPOCH),)
ifndef DUMP
KBUILD_BUILD_TIMESTAMP:=$(shell perl -e 'print scalar gmtime($(SOURCE_DATE_EPOCH))')
endif
endif
ifeq ($(__target_inc),)
ifndef CHECK
include $(INCLUDE_DIR)/target.mk
endif
endif
ifeq ($(DUMP),1)
KERNEL?=<KERNEL>
BOARD?=<BOARD>
LINUX_VERSION?=<LINUX_VERSION>
LINUX_VERMAGIC?=<LINUX_VERMAGIC>
else
ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
export GCC_HONOUR_COPTS=s
endif
LINUX_KMOD_SUFFIX=ko
ifneq (,$(findstring uml,$(BOARD)))
KERNEL_CC?=$(HOSTCC)
KERNEL_CROSS?=
else
KERNEL_CC?=$(TARGET_CC)
KERNEL_CROSS?=$(TARGET_CROSS)
endif
ifeq ($(TARGET_BUILD),1)
PATCH_DIR ?= $(CURDIR)/patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
FILES_DIR ?= $(foreach dir,$(wildcard $(CURDIR)/files $(CURDIR)/files-$(KERNEL_PATCHVER)),"$(dir)")
endif
KERNEL_BUILD_DIR ?= $(BUILD_DIR)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))
LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
LINUX_UAPI_DIR=uapi/
LINUX_VERMAGIC:=$(strip $(shell cat $(LINUX_DIR)/.vermagic 2>/dev/null))
LINUX_VERMAGIC:=$(if $(LINUX_VERMAGIC),$(LINUX_VERMAGIC),unknown)
LINUX_UNAME_VERSION:=$(KERNEL_BASE)
ifneq ($(findstring -rc,$(LINUX_VERSION)),)
LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION))))
endif
LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
ifneq (,$(findstring -rc,$(LINUX_VERSION)))
LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.gz
else
LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.xz
endif
ifneq (,$(findstring -rc,$(LINUX_VERSION)))
LINUX_SITE:=https://git.kernel.org/torvalds/t
else ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
LINUX_SITE:=@KERNEL/linux/kernel/v$(word 1,$(subst ., ,$(KERNEL_BASE))).x
else
LINUX_UNAME_VERSION:=$(strip $(shell cat $(LINUX_DIR)/include/config/kernel.release 2>/dev/null))
endif
MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_VERSION)
TARGET_MODULES_DIR:=$(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
ifneq ($(TARGET_BUILD),1)
PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
endif
endif
ifneq (,$(findstring uml,$(BOARD)))
LINUX_KARCH=um
else ifneq (,$(findstring $(ARCH) , aarch64 aarch64_be ))
LINUX_KARCH := arm64
else ifneq (,$(findstring $(ARCH) , arceb ))
LINUX_KARCH := arc
else ifneq (,$(findstring $(ARCH) , armeb ))
LINUX_KARCH := arm
else ifneq (,$(findstring $(ARCH) , mipsel mips64 mips64el ))
LINUX_KARCH := mips
else ifneq (,$(findstring $(ARCH) , powerpc64 ))
LINUX_KARCH := powerpc
else ifneq (,$(findstring $(ARCH) , sh2 sh3 sh4 ))
LINUX_KARCH := sh
else ifneq (,$(findstring $(ARCH) , i386 x86_64 ))
LINUX_KARCH := x86
else
LINUX_KARCH := $(ARCH)
endif
KERNEL_MAKE = $(MAKE) $(KERNEL_MAKEOPTS)
KERNEL_MAKE_FLAGS = \
HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
CROSS_COMPILE="$(KERNEL_CROSS)" \
ARCH="$(LINUX_KARCH)" \
KBUILD_HAVE_NLS=no \
KBUILD_BUILD_USER="$(call qstrip,$(CONFIG_KERNEL_BUILD_USER))" \
KBUILD_BUILD_HOST="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \
KBUILD_BUILD_TIMESTAMP="$(KBUILD_BUILD_TIMESTAMP)" \
KBUILD_BUILD_VERSION="0" \
HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib" \
CONFIG_SHELL="$(BASH)" \
$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
$(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID)) \
cmd_syscalls=
ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
KERNEL_MAKE_FLAGS += \
KERNELRELEASE=$(LINUX_VERSION)
endif
KERNEL_MAKEOPTS := -C $(LINUX_DIR) $(KERNEL_MAKE_FLAGS)
ifdef CONFIG_USE_SPARSE
KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse
endif
PKG_EXTMOD_SUBDIRS ?= .
define populate_module_symvers
@mkdir -p $(PKG_INFO_DIR)
cat /dev/null > $(PKG_INFO_DIR)/$(PKG_NAME).symvers; \
for subdir in $(PKG_EXTMOD_SUBDIRS); do \
cat $(PKG_INFO_DIR)/*.symvers 2>/dev/null > $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers; \
done
endef
define collect_module_symvers
for subdir in $(PKG_EXTMOD_SUBDIRS); do \
grep -F $$$$(readlink -f $(PKG_BUILD_DIR)) $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \
done; \
sort -u $(PKG_BUILD_DIR)/Module.symvers.tmp > $(PKG_BUILD_DIR)/Module.symvers; \
mv $(PKG_BUILD_DIR)/Module.symvers $(PKG_INFO_DIR)/$(PKG_NAME).symvers
endef
define KernelPackage/hooks
ifneq ($(PKG_NAME),kernel)
Hooks/Compile/Pre += populate_module_symvers
Hooks/Compile/Post += collect_module_symvers
endif
define KernelPackage/hooks
endef
endef
define KernelPackage/Defaults
FILES:=
AUTOLOAD:=
MODPARAMS:=
PKGFLAGS+=nonshared
endef
# 1: name
# 2: install prefix
# 3: module priority prefix
# 4: required for boot
# 5: module list
define ModuleAutoLoad
$(if $(5), \
mkdir -p $(2)/etc/modules.d; \
($(foreach mod,$(5), \
echo "$(mod)$(if $(MODPARAMS.$(mod)), $(MODPARAMS.$(mod)),$(if $(MODPARAMS), $(MODPARAMS)))"; )) > $(2)/etc/modules.d/$(3)$(1); \
$(if $(4), \
mkdir -p $(2)/etc/modules-boot.d; \
ln -sf ../modules.d/$(3)$(1) $(2)/etc/modules-boot.d/;))
endef
ifeq ($(DUMP)$(TARGET_BUILD),)
-include $(LINUX_DIR)/.config
endif
define KernelPackage/depends
$(STAMP_BUILT): $(LINUX_DIR)/.config
define KernelPackage/depends
endef
endef
define KernelPackage
NAME:=$(1)
$(eval $(call Package/Default))
$(eval $(call KernelPackage/Defaults))
$(eval $(call KernelPackage/$(1)))
$(eval $(call KernelPackage/$(1)/$(BOARD)))
$(eval $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic)))
define Package/kmod-$(1)
TITLE:=$(TITLE)
SECTION:=kernel
CATEGORY:=Kernel modules
DESCRIPTION:=$(DESCRIPTION)
EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC))
VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
PKGFLAGS:=$(PKGFLAGS)
$(call KernelPackage/$(1))
$(call KernelPackage/$(1)/$(BOARD))
$(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic))
endef
ifdef KernelPackage/$(1)/conffiles
define Package/kmod-$(1)/conffiles
$(call KernelPackage/$(1)/conffiles)
endef
endif
ifdef KernelPackage/$(1)/description
define Package/kmod-$(1)/description
$(call KernelPackage/$(1)/description)
endef
endif
ifdef KernelPackage/$(1)/config
define Package/kmod-$(1)/config
$(call KernelPackage/$(1)/config)
endef
endif
$(call KernelPackage/depends)
$(call KernelPackage/hooks)
ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
define Package/kmod-$(1)/install
@for mod in $$(call version_filter,$$(FILES)); do \
if grep -q "$$$$$$$${mod##$(LINUX_DIR)/}" "$(LINUX_DIR)/modules.builtin"; then \
echo "NOTICE: module '$$$$$$$$mod' is built-in."; \
elif [ -e $$$$$$$$mod ]; then \
mkdir -p $$(1)/$(MODULES_SUBDIR) ; \
$(CP) -L $$$$$$$$mod $$(1)/$(MODULES_SUBDIR)/ ; \
else \
echo "ERROR: module '$$$$$$$$mod' is missing." >&2; \
exit 1; \
fi; \
done;
$(call ModuleAutoLoad,$(1),$$(1),$(filter-out 0-,$(word 1,$(AUTOLOAD))-),$(filter-out 0,$(word 2,$(AUTOLOAD))),$(wordlist 3,99,$(AUTOLOAD)))
$(call KernelPackage/$(1)/install,$$(1))
endef
$(if $(CONFIG_PACKAGE_kmod-$(1)),
else
compile: $(1)-disabled
$(1)-disabled:
@echo "WARNING: kmod-$(1) is not available in the kernel config - generating empty package" >&2
define Package/kmod-$(1)/install
true
endef
)
endif
$$(eval $$(call BuildPackage,kmod-$(1)))
$$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
endef
version_filter=$(if $(findstring @,$(1)),$(shell $(SCRIPT_DIR)/package-metadata.pl version_filter $(KERNEL_PATCHVER) $(1)),$(1))
# 1: priority (optional)
# 2: module list
# 3: boot flag
define AutoLoad
$(if $(1),$(1),0) $(if $(3),1,0) $(call version_filter,$(2))
endef
# 1: module list
# 2: boot flag
define AutoProbe
$(call AutoLoad,,$(1),$(2))
endef
version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) ))
ifdef DUMP
kernel_version_cmp=
else
kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
endif
CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
kernel_patchver_le=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))
kernel_patchver_lt=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))
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