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kernel: bump 5.15 to 5.15.155
[openwrt/staging/nbd.git] / include / kernel.mk
diff --git a/include/kernel.mk b/include/kernel.mk
index 8dfe903bccbb6857d36feda25bf90f80e346acf1..479c586ea2d8fe9c1ac84896a9d005edceb0df6d 100644 (file)
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -1,9 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# Copyright (C) 2006-2015 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
+# Copyright (C) 2006-2020 OpenWrt.org
 
 ifneq ($(filter check,$(MAKECMDGOALS)),)
 CHECK:=1
@@ -46,7 +43,7 @@ else
     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))
+  KERNEL_BUILD_DIR ?= $(BUILD_DIR)/linux-$(BOARD)_$(SUBTARGET)
   LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
   LINUX_UAPI_DIR=uapi/
   LINUX_VERMAGIC:=$(strip $(shell cat $(LINUX_DIR)/.vermagic 2>/dev/null))
@@ -77,7 +74,7 @@ else
   TARGET_MODULES_DIR:=$(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
 
   ifneq ($(TARGET_BUILD),1)
-    PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
+    PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(if $(BUILD_VARIANT),$(PKG_NAME)-$(BUILD_VARIANT)/)$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
   endif
 endif
 
@@ -93,6 +90,8 @@ else ifneq (,$(findstring $(ARCH) , mipsel mips64 mips64el ))
   LINUX_KARCH := mips
 else ifneq (,$(findstring $(ARCH) , powerpc64 ))
   LINUX_KARCH := powerpc
+else ifneq (,$(findstring $(ARCH) , riscv64 ))
+  LINUX_KARCH := riscv
 else ifneq (,$(findstring $(ARCH) , sh2 sh3 sh4 ))
   LINUX_KARCH := sh
 else ifneq (,$(findstring $(ARCH) , i386 x86_64 ))
@@ -104,6 +103,7 @@ endif
 KERNEL_MAKE = $(MAKE) $(KERNEL_MAKEOPTS)
 
 KERNEL_MAKE_FLAGS = \
+       KCFLAGS="$(call iremap,$(BUILD_DIR),$(notdir $(BUILD_DIR))) $(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))) $(call qstrip,$(CONFIG_KERNEL_CFLAGS))" \
        HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
        CROSS_COMPILE="$(KERNEL_CROSS)" \
        ARCH="$(LINUX_KARCH)" \
@@ -112,18 +112,31 @@ KERNEL_MAKE_FLAGS = \
        KBUILD_BUILD_HOST="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \
        KBUILD_BUILD_TIMESTAMP="$(KBUILD_BUILD_TIMESTAMP)" \
        KBUILD_BUILD_VERSION="0" \
-       HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib" \
+       KBUILD_HOSTLDFLAGS="-L$(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=
+       cmd_syscalls= \
+       $(if $(__package_mk),KBUILD_EXTRA_SYMBOLS="$(wildcard $(PKG_SYMVERS_DIR)/*.symvers)")
+
+ifneq (,$(KERNEL_CC))
+  KERNEL_MAKE_FLAGS += CC="$(KERNEL_CC)"
+endif
+
+KERNEL_NOSTDINC_FLAGS = \
+       -nostdinc $(if $(DUMP),, -isystem $(shell $(TARGET_CC) -print-file-name=include))
 
 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) $(KERNEL_MAKE_FLAGS)
+ifneq ($(HOST_OS),Linux)
+  KERNEL_MAKE_FLAGS += CONFIG_STACK_VALIDATION=
+  export SKIP_STACK_VALIDATION:=1
+endif
+
+KERNEL_MAKEOPTS = -C $(LINUX_DIR) $(KERNEL_MAKE_FLAGS)
 
 ifdef CONFIG_USE_SPARSE
   KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse
@@ -131,13 +144,7 @@ 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
+PKG_SYMVERS_DIR = $(KERNEL_BUILD_DIR)/symvers
 
 define collect_module_symvers
        for subdir in $(PKG_EXTMOD_SUBDIRS); do \
@@ -147,12 +154,12 @@ define collect_module_symvers
                        grep -F $$$$realdir $(PKG_BUILD_DIR)/$$$$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
+       mkdir -p $(PKG_SYMVERS_DIR); \
+       mv $(PKG_BUILD_DIR)/Module.symvers $(PKG_SYMVERS_DIR)/$(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
@@ -197,19 +204,19 @@ define KernelPackage
   $(eval $(call KernelPackage/Defaults))
   $(eval $(call KernelPackage/$(1)))
   $(eval $(call KernelPackage/$(1)/$(BOARD)))
-  $(eval $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic)))
+  $(eval $(call KernelPackage/$(1)/$(BOARD)/$(SUBTARGET)))
 
   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),$(LINUX_RELEASE))
+    EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)~$(LINUX_VERMAGIC)-r$(LINUX_RELEASE))
+    VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),.$(PKG_VERSION))-r$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
     PKGFLAGS:=$(PKGFLAGS)
     $(call KernelPackage/$(1))
     $(call KernelPackage/$(1)/$(BOARD))
-    $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic))
+    $(call KernelPackage/$(1)/$(BOARD)/$(SUBTARGET))
   endef
 
   ifdef KernelPackage/$(1)/conffiles
@@ -233,7 +240,7 @@ $(call KernelPackage/$(1)/config)
   $(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)))),.),)
+  ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(call version_filter,$(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 \
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