commit 50118c4501b303fcf2bc5c88295113477dbbd9c9
author LuK1337 <priv.luk@gmail.com> Tue Sep 22 23:11:21 2020 +0200
committer Jackeagle <jackeagle102@gmail.com> Mon Jun 06 06:36:05 2022 +0200
tree f1ec2458c353b783168052f52dec6dd27214ccb0
parent 321a895919b2f8146ed425151dc00854b86c1773

kernel: Use Clang as HOST_{CC,CXX}

GCC was deprecated upstream, so switch to Clang.

Change-Id: I8a6c9d6b763db0055189d83f9037ccb0c50a23ea
Signed-off-by: Jackeagle <jackeagle102@gmail.com>

config/BoardConfigKernel.mk

diff --git a/config/BoardConfigKernel.mk b/config/BoardConfigKernel.mk
index 9fe669a..49338ec 100644
--- a/config/BoardConfigKernel.mk
+++ b/config/BoardConfigKernel.mk
@@ -50,7 +50,7 @@
 KERNEL_ARCH := $(TARGET_KERNEL_ARCH)
 endif
 
-CLANG_PREBUILTS := $(BUILD_TOP)/prebuilts/clang/host/$(HOST_OS)-x86/clang-r416183b1
+CLANG_PREBUILTS := $(BUILD_TOP)/prebuilts/clang/host/$(HOST_PREBUILT_TAG)/clang-r416183b1
 GCC_PREBUILTS := $(BUILD_TOP)/prebuilts/gcc/$(HOST_PREBUILT_TAG)
 ifeq ($(TARGET_KERNEL_NEW_GCC_COMPILE),true)
     ifeq ($(TARGET_KERNEL_CLANG_COMPILE),true)
@@ -130,9 +130,9 @@
 endif
 
 ifeq ($(HOST_OS),darwin)
-  KERNEL_MAKE_FLAGS += HOSTCFLAGS="-I$(BUILD_TOP)/external/elfutils/libelf -I/usr/local/opt/openssl/include -L/usr/local/opt/openssl/lib"
+  KERNEL_MAKE_FLAGS += HOSTCFLAGS="-I$(BUILD_TOP)/external/elfutils/libelf -I/usr/local/opt/openssl/include -fuse-ld=lld" HOSTLDFLAGS="-L/usr/local/opt/openssl/lib -fuse-ld=lld"
 else
-  KERNEL_MAKE_FLAGS += CPATH="/usr/include:/usr/include/x86_64-linux-gnu" HOSTCFLAGS="-L/usr/lib/x86_64-linux-gnu -L/usr/lib64"
+  KERNEL_MAKE_FLAGS += CPATH="/usr/include:/usr/include/x86_64-linux-gnu" HOSTCFLAGS="-fuse-ld=lld" HOSTLDFLAGS="-L/usr/lib/x86_64-linux-gnu -L/usr/lib64 -fuse-ld=lld"
 endif
 
 ifneq ($(TARGET_KERNEL_ADDITIONAL_FLAGS),)
@@ -158,14 +158,9 @@
 # Set use the full path to the make command
 KERNEL_MAKE_CMD := $(BUILD_TOP)/prebuilts/build-tools/$(HOST_PREBUILT_TAG)/bin/make
 
-# Set the full path to the gcc command
-ifeq ($(HOST_OS),darwin)
-KERNEL_HOST_TOOLCHAIN_ROOT := $(GCC_PREBUILTS)/host/i686-apple-darwin-4.2.1/bin/i686-apple-darwin11-
-else
-KERNEL_HOST_TOOLCHAIN_ROOT := $(GCC_PREBUILTS)/host/x86_64-linux-glibc2.17-4.8/bin/x86_64-linux-
-endif
-KERNEL_MAKE_FLAGS += HOSTCC=$(KERNEL_HOST_TOOLCHAIN_ROOT)gcc
-KERNEL_MAKE_FLAGS += HOSTCXX=$(KERNEL_HOST_TOOLCHAIN_ROOT)g++
+# Set the full path to the clang command
+KERNEL_MAKE_FLAGS += HOSTCC=$(CLANG_PREBUILTS)/bin/clang
+KERNEL_MAKE_FLAGS += HOSTCXX=$(CLANG_PREBUILTS)/bin/clang++
 
 # Since Linux 4.16, flex and bison are required
 KERNEL_MAKE_FLAGS += LEX=$(BUILD_TOP)/prebuilts/build-tools/$(HOST_PREBUILT_TAG)/bin/flex