kernel_linux_build.patch

# SPDX-FileCopyrightText: Huawei Inc.
#
# SPDX-License-Identifier: Apache-2.0

Patch for //kernel/linux/build git repository of OpenHarmony 3.0 codebase.

This integrates with the oniro-ohos-bundle being installed into
//oniro, configuring the codebase to use the toolchain and third party
components provided in //oniro.

Signed-off-by: Esben Haabendal <esben.haabendal@huawei.com>
Upstream-Status: Inappropriate [configuration/integration]

diff --git a/kernel/linux/build/kernel.mk b/kernel/linux/build/kernel.mk
index 56fcde79ef55..84789e66b759 100644
--- a/kernel/linux/build/kernel.mk
+++ b/kernel/linux/build/kernel.mk
@@ -27,7 +27,7 @@ KERNEL_SRC_PATH := $(OHOS_BUILD_HOME)/kernel/linux/${KERNEL_VERSION}
 KERNEL_PATCH_PATH := $(OHOS_BUILD_HOME)/kernel/linux/patches/${KERNEL_VERSION}
 KERNEL_CONFIG_PATH := $(OHOS_BUILD_HOME)/kernel/linux/config/${KERNEL_VERSION}
 PREBUILTS_GCC_DIR := $(OHOS_BUILD_HOME)/prebuilts/gcc
-CLANG_HOST_TOOLCHAIN := $(OHOS_BUILD_HOME)/prebuilts/clang/ohos/linux-x86_64/llvm/bin
+CLANG_HOST_TOOLCHAIN := $(OHOS_BUILD_HOME)/oniro/sysroots/host/usr/bin
 KERNEL_HOSTCC := $(CLANG_HOST_TOOLCHAIN)/clang
 KERNEL_PREBUILT_MAKE := make
 
@@ -48,7 +48,8 @@ KERNEL_PERL := /usr/bin/perl
 KERNEL_CROSS_COMPILE :=
 KERNEL_CROSS_COMPILE += CC="$(CLANG_CC)"
 ifeq ($(BUILD_TYPE), standard)
-    KERNEL_CROSS_COMPILE += HOSTCC="$(KERNEL_HOSTCC)"
+    HOST_SYSROOT=$(OHOS_BUILD_HOME)/oniro/sysroots/host
+    KERNEL_CROSS_COMPILE += HOSTCC="gcc"
     KERNEL_CROSS_COMPILE += PERL=$(KERNEL_PERL)
     KERNEL_CROSS_COMPILE += CROSS_COMPILE="$(KERNEL_TARGET_TOOLCHAIN_PREFIX)"
 else ifeq ($(BUILD_TYPE), small)