ci: use ccache (#78)

.github/patches/5.10/0001-Makefile-Use-CCACHE-for-faster-compilation.patch

@@ -0,0 +1,48 @@
+From f1e398602b989ac197cdd0fda4a7c4c323b03eb9 Mon Sep 17 00:00:00 2001
+From: DozNaka <dozdguide@gmail.com>
+Date: Mon, 11 Apr 2022 20:43:45 -0400
+Subject: [PATCH] Makefile: Use CCACHE for faster compilation
+
+---
+ Makefile | 20 ++++++++++----------
+ 1 file changed, 10 insertions(+), 10 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index e8b8d5894..51e8aac6e 100644
+--- a/Makefile
++++ b/Makefile
+@@ -442,21 +442,21 @@ KBUILD_HOSTLDLIBS   := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
+ # Make variables (CC, etc...)
+ CPP		= $(CC) -E
+ ifneq ($(LLVM),)
+-CC		= clang
+-LD		= ld.lld
+-AR		= llvm-ar
++CC		= $(CCACHE) clang
++LD		= $(CCACHE) ld.lld
++AR		= $(CCACHE) llvm-ar
+ NM		= llvm-nm
+-OBJCOPY		= llvm-objcopy
+-OBJDUMP		= llvm-objdump
++OBJCOPY		= $(CCACHE) llvm-objcopy
++OBJDUMP		= $(CCACHE) llvm-objdump
+ READELF		= llvm-readelf
+ STRIP		= llvm-strip
+ else
+-CC		= $(CROSS_COMPILE)gcc
+-LD		= $(CROSS_COMPILE)ld
+-AR		= $(CROSS_COMPILE)ar
++CC		= $(CCACHE) $(CROSS_COMPILE)gcc
++LD		= $(CCACHE) $(CROSS_COMPILE)ld
++AR		= $(CCACHE) $(CROSS_COMPILE)ar
+ NM		= $(CROSS_COMPILE)nm
+-OBJCOPY		= $(CROSS_COMPILE)objcopy
+-OBJDUMP		= $(CROSS_COMPILE)objdump
++OBJCOPY		= $(CCACHE) $(CROSS_COMPILE)objcopy
++OBJDUMP		= $(CCACHE) $(CROSS_COMPILE)objdump
+ READELF		= $(CROSS_COMPILE)readelf
+ STRIP		= $(CROSS_COMPILE)strip
+ endif
+-- 
+2.37.2
+

.github/patches/5.15/0001-Makefile-Use-CCACHE-for-faster-compilation.patch

@@ -0,0 +1,48 @@
+From f1e398602b989ac197cdd0fda4a7c4c323b03eb9 Mon Sep 17 00:00:00 2001
+From: DozNaka <dozdguide@gmail.com>
+Date: Mon, 11 Apr 2022 20:43:45 -0400
+Subject: [PATCH] Makefile: Use CCACHE for faster compilation
+
+---
+ Makefile | 20 ++++++++++----------
+ 1 file changed, 10 insertions(+), 10 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index e8b8d5894..51e8aac6e 100644
+--- a/Makefile
++++ b/Makefile
+@@ -442,21 +442,21 @@ KBUILD_HOSTLDLIBS   := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
+ # Make variables (CC, etc...)
+ CPP		= $(CC) -E
+ ifneq ($(LLVM),)
+-CC		= clang
+-LD		= ld.lld
+-AR		= llvm-ar
++CC		= $(CCACHE) clang
++LD		= $(CCACHE) ld.lld
++AR		= $(CCACHE) llvm-ar
+ NM		= llvm-nm
+-OBJCOPY		= llvm-objcopy
+-OBJDUMP		= llvm-objdump
++OBJCOPY		= $(CCACHE) llvm-objcopy
++OBJDUMP		= $(CCACHE) llvm-objdump
+ READELF		= llvm-readelf
+ STRIP		= llvm-strip
+ else
+-CC		= $(CROSS_COMPILE)gcc
+-LD		= $(CROSS_COMPILE)ld
+-AR		= $(CROSS_COMPILE)ar
++CC		= $(CCACHE) $(CROSS_COMPILE)gcc
++LD		= $(CCACHE) $(CROSS_COMPILE)ld
++AR		= $(CCACHE) $(CROSS_COMPILE)ar
+ NM		= $(CROSS_COMPILE)nm
+-OBJCOPY		= $(CROSS_COMPILE)objcopy
+-OBJDUMP		= $(CROSS_COMPILE)objdump
++OBJCOPY		= $(CCACHE) $(CROSS_COMPILE)objcopy
++OBJDUMP		= $(CCACHE) $(CROSS_COMPILE)objdump
+ READELF		= $(CROSS_COMPILE)readelf
+ STRIP		= $(CROSS_COMPILE)strip
+ endif
+-- 
+2.37.2
+

.github/workflows/build-WSA-5.10.117-kernel.yml

@@ -29,7 +29,16 @@ jobs:
 
     name: Build WSA-Kernel-${{ matrix.version }}
     runs-on: ubuntu-18.04
+    env:
+      CCACHE_COMPILERCHECK: "%compiler% -dumpmachine; %compiler% -dumpversion"
+      CCACHE_NOHASHDIR: "true"
+      CCACHE_MAXSIZE: "2G"
+      CCACHE_HARDLINK: "true"
     steps:
+    - uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        key: ccache-WSA-Kernel-${{ matrix.version }}
+        append-timestamp: false
     - uses: actions/checkout@v3
       with:
         path: KernelSU
@@ -79,7 +88,7 @@ jobs:
         cp configs/wsa/${{ matrix.make_config }}-5.10 $KERNEL_ROOT/.config
         echo "[+] 复制配置文件 configs/wsa/${{ matrix.make_config }}-5.10 到 $KERNEL_ROOT/.config"
         echo "执行: make -j`nproc` LLVM=1 ${{ matrix.kernel_make_cmd }}"
-        make -j`nproc` LLVM=1 ${{ matrix.kernel_make_cmd }}
+        make -j`nproc` LLVM=1 ${{ matrix.kernel_make_cmd }} CCACHE="/usr/bin/ccache" 
 
     - name: Upload kernel-${{ matrix.arch }}-${{ matrix.version }}
       uses: actions/upload-artifact@v3

.github/workflows/build-kernel-5.10.yml

@@ -37,11 +37,21 @@ jobs:
 
     name: Build aarch64-${{ matrix.version }}
     runs-on: ubuntu-latest
+    env:
+      CCACHE_COMPILERCHECK: "%compiler% -dumpmachine; %compiler% -dumpversion"
+      CCACHE_NOHASHDIR: "true"
+      CCACHE_MAXSIZE: "2G"
+      CCACHE_HARDLINK: "true"
     steps:
     - uses: actions/checkout@v3
       with:
         path: KernelSU
         fetch-depth: 0
+    - uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        key: ccache-aarch64-${{ matrix.version }}
+        append-timestamp: false
+
     - name: Setup need_upload
       id: need_upload
       run: |
@@ -93,7 +103,7 @@ jobs:
 
     - name: Build boot.img
       working-directory: android-kernel
-      run: BUILD_BOOT_IMG=1 SKIP_VENDOR_BOOT=1 KERNEL_BINARY=Image GKI_RAMDISK_PREBUILT_BINARY=out/ramdisk AVB_SIGN_BOOT_IMG=1 AVB_BOOT_PARTITION_SIZE=$((64*1024*1024)) AVB_BOOT_ALGORITHM=SHA256_RSA2048 AVB_BOOT_KEY=prebuilts/kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem BOOT_IMAGE_HEADER_VERSION=4 LTO=thin BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh
+      run: CCACHE="/usr/bin/ccache" BUILD_BOOT_IMG=1 SKIP_VENDOR_BOOT=1 KERNEL_BINARY=Image GKI_RAMDISK_PREBUILT_BINARY=out/ramdisk AVB_SIGN_BOOT_IMG=1 AVB_BOOT_PARTITION_SIZE=$((64*1024*1024)) AVB_BOOT_ALGORITHM=SHA256_RSA2048 AVB_BOOT_KEY=prebuilts/kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem BOOT_IMAGE_HEADER_VERSION=4 LTO=thin BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh
     
     - name: Build boot-lz4.img
       working-directory: android-kernel

.github/workflows/build-kernel-5.15.yml

@@ -25,11 +25,21 @@ jobs:
 
     name: Build aarch64-${{ matrix.version }}
     runs-on: ubuntu-latest
+    env:
+      CCACHE_COMPILERCHECK: "%compiler% -dumpmachine; %compiler% -dumpversion"
+      CCACHE_NOHASHDIR: "true"
+      CCACHE_MAXSIZE: "2G"
+      CCACHE_HARDLINK: "true"
     steps:
     - uses: actions/checkout@v3
       with:
         path: KernelSU
         fetch-depth: 0
+    - uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        key: ccache-aarch64-${{ matrix.version }}
+        append-timestamp: false
+
     - name: Setup need_upload
       id: need_upload
       run: |
@@ -81,7 +91,7 @@ jobs:
 
     - name: Build boot.img
       working-directory: android-kernel
-      run: BUILD_BOOT_IMG=1 SKIP_VENDOR_BOOT=1 KERNEL_BINARY=Image AVB_SIGN_BOOT_IMG=1 AVB_BOOT_PARTITION_SIZE=$((64*1024*1024)) AVB_BOOT_ALGORITHM=SHA256_RSA2048 AVB_BOOT_KEY=prebuilts/kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem BOOT_IMAGE_HEADER_VERSION=4 LTO=thin BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh
+      run: CCACHE="/usr/bin/ccache" BUILD_BOOT_IMG=1 SKIP_VENDOR_BOOT=1 KERNEL_BINARY=Image AVB_SIGN_BOOT_IMG=1 AVB_BOOT_PARTITION_SIZE=$((64*1024*1024)) AVB_BOOT_ALGORITHM=SHA256_RSA2048 AVB_BOOT_KEY=prebuilts/kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem BOOT_IMAGE_HEADER_VERSION=4 LTO=thin BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh
 
     - name: Upload boot.img
       uses: actions/upload-artifact@v3