CI: Support to custom clang

Signed-off-by: xiaoleGun <1592501605@qq.com>

.github/workflows/build-kernel.yml

@@ -19,6 +19,10 @@ jobs:
         echo "KERNEL_DEFCONFIG=$(cat config.env | grep "KERNEL_DEFCONFIG" | head -n 1 | cut -d "=" -f 2)" >> $GITHUB_ENV
         echo "TARGET_ARCH=$(cat config.env | grep "TARGET_ARCH" | head -n 1 | cut -d "=" -f 2)" >> $GITHUB_ENV
         echo "KERNEL_FILE=$(cat config.env | grep "KERNEL_FILE" | head -n 1 | cut -d "=" -f 2)" >> $GITHUB_ENV
+        echo "USE_CUSTOM_CLANG=$(cat config.env | grep "USE_CUSTOM_CLANG" | head -n 1 | cut -d "=" -f 2)" >> $GITHUB_ENV
+        echo "CUSTOM_CLANG=$(cat config.env | grep "CUSTOM_CLANG" | head -n 1 | cut -d "=" -f 2)" >> $GITHUB_ENV
+        echo "CUSTOM_CLANG_BRANCH=$(cat config.env | grep "CUSTOM_CLANG_BRANCH" | head -n 1 | cut -d "=" -f 2)" >> $GITHUB_ENV
+        echo "CUSTOM_CLANG_BUILD_COMMAND=$(cat config.env | grep "CUSTOM_CLANG_BUILD_COMMAND" | head -n 1 | cut -d ":" -f 2)" >> $GITHUB_ENV
         echo "CLANG_BRANCH=$(cat config.env | grep "CLANG_BRANCH" | head -n 1 | cut -d "=" -f 2)" >> $GITHUB_ENV
         echo "CLANG_VERSION=$(cat config.env | grep "CLANG_VERSION" | head -n 1 | cut -d "=" -f 2)" >> $GITHUB_ENV
         echo "BUILD_EXTRA_COMMAND=$(cat config.env | grep "EXTRA_BUILD_COMMAND" | head -n 1 | cut -d ":" -f 2)" >> $GITHUB_ENV
@@ -40,6 +44,7 @@ jobs:
         mkdir -p $GITHUB_WORKSPACE/kernel_workspace
 
     - name: Download Clang-aosp and Gcc-aosp
+      if: env.USE_CUSTOM_CLANG == 'false'
       run: |
         cd $GITHUB_WORKSPACE/kernel_workspace
         mkdir clang-aosp
@@ -49,6 +54,18 @@ jobs:
         wget https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/+archive/refs/tags/android-12.1.0_r27.tar.gz
         tar -C gcc-aosp/ -zxvf android-12.1.0_r27.tar.gz
 
+    - name: Download Custom-Clang
+      if: env.USE_CUSTOM_CLANG == 'true'
+      run: |
+        cd $GITHUB_WORKSPACE/kernel_workspace
+        if [[ ${{ env.CUSTOM_CLANG }} =~ github ]]; then
+            git clone ${{ env.CUSTOM_CLANG }} -b ${{ env.CUSTOM_CLANG_BRANCH }} clang-aosp
+        else
+            wget -O clang.zip ${{ env.CUSTOM_CLANG }}
+            mkdir clang-aosp
+            unzip clang.zip -d clang-aosp/
+        fi
+
     - name: Download mkbootimg tools
       if: env.MAKE_BOOT_IMAGE == 'true'
       run: |
@@ -98,8 +115,8 @@ jobs:
         export PATH=$GITHUB_WORKSPACE/kernel_workspace/clang-aosp/bin:$PATH
         export KBUILD_BUILD_HOST=Github-Action
         export KBUILD_BUILD_USER=$(echo ${{ github.actor }} | tr A-Z a-z)
-        make -j$(nproc --all) O=out ARCH=${{ env.TARGET_ARCH }} CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=$GITHUB_WORKSPACE/kernel_workspace/gcc-aosp/bin/aarch64-linux-android- CC=clang ${{ env.BUILD_EXTRA_COMMAND }} ${{ env.KERNEL_DEFCONFIG }}
-        make -j$(nproc --all) O=out ARCH=${{ env.TARGET_ARCH }} CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=$GITHUB_WORKSPACE/kernel_workspace/gcc-aosp/bin/aarch64-linux-android- CC=clang ${{ env.BUILD_EXTRA_COMMAND }}
+        make -j$(nproc --all) O=out ARCH=${{ env.TARGET_ARCH }} ${{ env.CUSTOM_BUILD_COMMAND }} CC=clang ${{ env.BUILD_EXTRA_COMMAND }} ${{ env.KERNEL_DEFCONFIG }}
+        make -j$(nproc --all) O=out ARCH=${{ env.TARGET_ARCH }} ${{ env.CUSTOM_BUILD_COMMAND }} CC=clang ${{ env.BUILD_EXTRA_COMMAND }}
 
     - name: Check a kernel output files
       run: |

README.md

@@ -49,6 +49,19 @@ Fork 本仓库到你的储存库然后按照以下内容编辑config.env，之
 
 ### Clang
 
+#### Use custom clang
+
+改成true
+可以使用除google官方的clang，如[proton-clang](https://github.com/kdrag0n/proton-clang)
+
+#### Custom Clang
+
+支持github仓库或者zip压缩包的直链
+
+#### Custom Clang Commands
+
+都用自定义clang了，自己改改编译器位置应该会吧 :)
+
 #### Clang Branch
 由于 [#23](https://github.com/xiaoleGun/KernelSU_Action/issues/23) 的需要，我们提供可自定义Google上游分支的选项，主要的有分支有
 | Clang 分支 |

config.env

@@ -3,6 +3,10 @@ KERNEL_SOURCE_BRANCH=dsu-test
 KERNEL_DEFCONFIG=vendor/wayne_defconfig
 TARGET_ARCH=arm64
 KERNEL_FILE=Image.gz-dtb
+USE_CUSTOM_CLANG=false
+CUSTOM_CLANG=
+CUSTOM_CLANG_BRANCH=
+CUSTOM_CLANG_BUILD_COMMAND:CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=$GITHUB_WORKSPACE/kernel_workspace/gcc-aosp/bin/aarch64-linux-android-
 CLANG_BRANCH=master-kernel-build-2022
 CLANG_VERSION=r450784d
 EXTRA_BUILD_COMMAND:LD=ld.lld