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openwrtv4/include/kernel.mk
Florian Fainelli 474391573b include: Silence external kernel version checks 
During the initial configuration phases, we have not set-up the kernel
source directory, which would lead to such messages:

cat:
/local/users/fainelli/openwrt/trunk/build_dir/target-x86_64_musl/linux-uml/linux-4.9.58/include/config/kernel.release:
No such file or directory

Just silence it, since it does not create a functional problem.

Fixes: 8e0e0e7d8b ("include: Determine MODULES_DIR correctly for external/git kernels")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-10-24 16:59:15 -07:00

294 lines
9.2 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:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0)
ifneq ($(findstring -rc,$(LINUX_VERSION)),)
LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION))))
endif
LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.xz
TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
LINUX_SITE:=@KERNEL/linux/kernel/v$(word 1,$(subst ., ,$(KERNEL_BASE))).x$(TESTING)
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
define KernelPackage/Defaults
FILES:=
AUTOLOAD:=
PKGFLAGS+=nonshared
endef
define ModuleAutoLoad
$(SH_FUNC) \
export modules=; \
probe_module() { \
local mods="$$$$$$$$1"; \
local boot="$$$$$$$$2"; \
local mod; \
shift 2; \
for mod in $$$$$$$$mods; do \
mkdir -p $(2)/etc/modules.d; \
echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$(1); \
done; \
if [ -e $(2)/etc/modules.d/$(1) ]; then \
if [ "$$$$$$$$boot" = "1" -a ! -e $(2)/etc/modules-boot.d/$(1) ]; then \
mkdir -p $(2)/etc/modules-boot.d; \
ln -s ../modules.d/$(1) $(2)/etc/modules-boot.d/; \
fi; \
modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$mods"; \
fi; \
}; \
add_module() { \
local priority="$$$$$$$$1"; \
local mods="$$$$$$$$2"; \
local boot="$$$$$$$$3"; \
local mod; \
shift 3; \
for mod in $$$$$$$$mods; do \
mkdir -p $(2)/etc/modules.d; \
echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
done; \
if [ -e $(2)/etc/modules.d/$$$$$$$$priority-$(1) ]; then \
if [ "$$$$$$$$boot" = "1" -a ! -e $(2)/etc/modules-boot.d/$$$$$$$$priority-$(1) ]; then \
mkdir -p $(2)/etc/modules-boot.d; \
ln -s ../modules.d/$$$$$$$$priority-$(1) $(2)/etc/modules-boot.d/; \
fi; \
modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
fi; \
}; \
$(3) \
if [ -n "$$$$$$$$modules" ]; then \
modules="$$$$$$$$(echo "$$$$$$$$modules" | tr ' ' '\n' | sort | uniq | paste -s -d' ' -)"; \
mkdir -p $(2)/etc/modules.d; \
mkdir -p $(2)/CONTROL; \
echo "#!/bin/sh" > $(2)/CONTROL/postinst-pkg; \
echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst-pkg; \
echo ". /lib/functions.sh" >> $(2)/CONTROL/postinst-pkg; \
echo "insert_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst-pkg; \
chmod 0755 $(2)/CONTROL/postinst-pkg; \
fi
endef
ifeq ($(DUMP)$(TARGET_BUILD),)
-include $(LINUX_DIR)/.config
endif
define KernelPackage/depends
$(STAMP_BUILT): $(LINUX_DIR)/.config
define KernelPackage/depends
endef
endef
define KernelPackage
NAME:=$(1)
$(eval $(call Package/Default))
$(eval $(call KernelPackage/Defaults))
$(eval $(call KernelPackage/$(1)))
$(eval $(call KernelPackage/$(1)/$(BOARD)))
$(eval $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic)))
define Package/kmod-$(1)
TITLE:=$(TITLE)
SECTION:=kernel
CATEGORY:=Kernel modules
DESCRIPTION:=$(DESCRIPTION)
EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC))
VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
PKGFLAGS:=$(PKGFLAGS)
$(call KernelPackage/$(1))
$(call KernelPackage/$(1)/$(BOARD))
$(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic))
endef
ifdef KernelPackage/$(1)/conffiles
define Package/kmod-$(1)/conffiles
$(call KernelPackage/$(1)/conffiles)
endef
endif
ifdef KernelPackage/$(1)/description
define Package/kmod-$(1)/description
$(call KernelPackage/$(1)/description)
endef
endif
ifdef KernelPackage/$(1)/config
define Package/kmod-$(1)/config
$(call KernelPackage/$(1)/config)
endef
endif
$(call KernelPackage/depends)
ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
ifneq ($(strip $(FILES)),)
define Package/kmod-$(1)/install
@for mod in $$(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),$(AUTOLOAD))
$(call KernelPackage/$(1)/install,$$(1))
endef
endif
$(if $(CONFIG_PACKAGE_kmod-$(1)),
else
compile: $(1)-disabled
$(1)-disabled:
@echo "WARNING: kmod-$(1) is not available in the kernel config - generating empty package" >&2
define Package/kmod-$(1)/install
true
endef
)
endif
$$(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))
define AutoLoad
add_module "$(1)" "$(call version_filter,$(2))" "$(3)";
endef
define AutoProbe
probe_module "$(call version_filter,$(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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