aarch64/x86_64: build kernel with clang lto

Signed-off-by: sbwml <admin@cooluc.com>
sbwml · May 6, 2024 · 64598cd · 64598cd
1 parent 49b0bd1
commit 64598cd
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Showing 3 changed files with 36 additions and 15 deletions.
diff --git a/.github/workflows/build-minimal.yml b/.github/workflows/build-minimal.yml
@@ -85,20 +85,26 @@ jobs:
       env:
         DEBIAN_FRONTEND: noninteractive
       run: |
-        sudo sh -c 'echo "deb http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main" >> /etc/apt/sources.list'
-        sudo sh -c 'echo "deb-src http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main" >> /etc/apt/sources.list'
-        wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
         sudo apt-get update
-        sudo apt-get install -y build-essential flex bison clang-17 cmake g++ gawk gcc-multilib g++-multilib gettext git libfuse-dev libncurses5-dev libssl-dev python3 python3-pip python3-ply python3-distutils python3-pyelftools rsync unzip zlib1g-dev file wget subversion patch upx-ucl autoconf automake curl asciidoc binutils bzip2 lib32gcc-s1 libc6-dev-i386 uglifyjs msmtp texinfo libreadline-dev libglib2.0-dev xmlto libelf-dev libtool autopoint antlr3 gperf ccache swig coreutils haveged scons libpython3-dev rename qemu-utils
+        sudo apt-get install -y build-essential flex bison cmake g++ gawk gcc-multilib g++-multilib gettext git libfuse-dev libncurses5-dev libssl-dev python3 python3-pip python3-ply python3-distutils python3-pyelftools rsync unzip zlib1g-dev file wget subversion patch upx-ucl autoconf automake curl asciidoc binutils bzip2 lib32gcc-s1 libc6-dev-i386 uglifyjs msmtp texinfo libreadline-dev libglib2.0-dev xmlto libelf-dev libtool autopoint antlr3 gperf ccache swig coreutils haveged scons libpython3-dev rename qemu-utils
         sudo apt-get clean
         git config --global user.name 'GitHub Actions' && git config --global user.email 'noreply@github.com'
-        df -Th
+
+    - name: Install LLVM
+      run: |
+        export PATH="/opt/clang/bin:$PATH"
+        mkdir /opt/clang
+        curl -LO https://github.com/sbwml/ubuntu-llvm-project/releases/download/17.0.6/clang-17.0.6-x86_64-ubuntu-22.04.tar.xz --progress-bar
+        sudo tar --strip-components=1 -C /opt/clang -xf clang-17.0.6-x86_64-ubuntu-22.04.tar.xz
+        clang --version
 
     - name: Compile OpenWrt
       id: compile
       continue-on-error: true
       working-directory: /builder
       run: |
+        export PATH="/opt/clang/bin:$PATH"
+        [ "${{ matrix.model }}" != "netgear_r8500" ] && export KERNEL_CLANG_LTO=y
         BUILD_FAST=y ENABLE_OTA=y ENABLE_BPF=y ENABLE_LTO=y ENABLE_LRNG=y MINIMAL_BUILD=y USE_GCC15=y USE_MOLD=y bash <(curl -sS ${{ secrets.script_url_general }}) ${{ matrix.tag.type }} ${{ matrix.model }}
         cd openwrt
         tags=$(git describe --abbrev=0 --tags)
@@ -108,6 +114,7 @@ jobs:
       if: steps.compile.outcome == 'failure'
       working-directory: /builder
       run: |
+        export PATH="/opt/clang/bin:$PATH"
         cd openwrt
         make V=s
 

diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
@@ -95,20 +95,26 @@ jobs:
       env:
         DEBIAN_FRONTEND: noninteractive
       run: |
-        sudo sh -c 'echo "deb http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main" >> /etc/apt/sources.list'
-        sudo sh -c 'echo "deb-src http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main" >> /etc/apt/sources.list'
-        wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
         sudo apt-get update
-        sudo apt-get install -y build-essential flex bison clang-17 cmake g++ gawk gcc-multilib g++-multilib gettext git libfuse-dev libncurses5-dev libssl-dev python3 python3-pip python3-ply python3-distutils python3-pyelftools rsync unzip zlib1g-dev file wget subversion patch upx-ucl autoconf automake curl asciidoc binutils bzip2 lib32gcc-s1 libc6-dev-i386 uglifyjs msmtp texinfo libreadline-dev libglib2.0-dev xmlto libelf-dev libtool autopoint antlr3 gperf ccache swig coreutils haveged scons libpython3-dev rename qemu-utils
+        sudo apt-get install -y build-essential flex bison cmake g++ gawk gcc-multilib g++-multilib gettext git libfuse-dev libncurses5-dev libssl-dev python3 python3-pip python3-ply python3-distutils python3-pyelftools rsync unzip zlib1g-dev file wget subversion patch upx-ucl autoconf automake curl asciidoc binutils bzip2 lib32gcc-s1 libc6-dev-i386 uglifyjs msmtp texinfo libreadline-dev libglib2.0-dev xmlto libelf-dev libtool autopoint antlr3 gperf ccache swig coreutils haveged scons libpython3-dev rename qemu-utils
         sudo apt-get clean
         git config --global user.name 'GitHub Actions' && git config --global user.email 'noreply@github.com'
-        df -Th
+
+    - name: Install LLVM
+      run: |
+        export PATH="/opt/clang/bin:$PATH"
+        mkdir /opt/clang
+        curl -LO https://github.com/sbwml/ubuntu-llvm-project/releases/download/17.0.6/clang-17.0.6-x86_64-ubuntu-22.04.tar.xz --progress-bar
+        sudo tar --strip-components=1 -C /opt/clang -xf clang-17.0.6-x86_64-ubuntu-22.04.tar.xz
+        clang --version
 
     - name: Compile OpenWrt
       id: compile
       continue-on-error: true
       working-directory: /builder
       run: |
+        export PATH="/opt/clang/bin:$PATH"
+        [ "${{ matrix.model }}" != "netgear_r8500" ] && export KERNEL_CLANG_LTO=y
         BUILD_FAST=y ENABLE_OTA=y ENABLE_BPF=y ENABLE_LTO=y ENABLE_LRNG=y USE_GCC15=y USE_MOLD=y bash <(curl -sS ${{ secrets.script_url_general }}) ${{ matrix.tag.type }} ${{ matrix.model }}
         cd openwrt
         tags=$(git describe --abbrev=0 --tags)
@@ -118,6 +124,7 @@ jobs:
       if: steps.compile.outcome == 'failure'
       working-directory: /builder
       run: |
+        export PATH="/opt/clang/bin:$PATH"
         cd openwrt
         make V=s
 

diff --git a/.github/workflows/build-snapshots.yml b/.github/workflows/build-snapshots.yml
@@ -86,20 +86,26 @@ jobs:
       env:
         DEBIAN_FRONTEND: noninteractive
       run: |
-        sudo sh -c 'echo "deb http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main" >> /etc/apt/sources.list'
-        sudo sh -c 'echo "deb-src http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main" >> /etc/apt/sources.list'
-        wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
         sudo apt-get update
-        sudo apt-get install -y build-essential flex bison clang-17 cmake g++ gawk gcc-multilib g++-multilib gettext git libfuse-dev libncurses5-dev libssl-dev python3 python3-pip python3-ply python3-distutils python3-pyelftools rsync unzip zlib1g-dev file wget subversion patch upx-ucl autoconf automake curl asciidoc binutils bzip2 lib32gcc-s1 libc6-dev-i386 uglifyjs msmtp texinfo libreadline-dev libglib2.0-dev xmlto libelf-dev libtool autopoint antlr3 gperf ccache swig coreutils haveged scons libpython3-dev rename
+        sudo apt-get install -y build-essential flex bison cmake g++ gawk gcc-multilib g++-multilib gettext git libfuse-dev libncurses5-dev libssl-dev python3 python3-pip python3-ply python3-distutils python3-pyelftools rsync unzip zlib1g-dev file wget subversion patch upx-ucl autoconf automake curl asciidoc binutils bzip2 lib32gcc-s1 libc6-dev-i386 uglifyjs msmtp texinfo libreadline-dev libglib2.0-dev xmlto libelf-dev libtool autopoint antlr3 gperf ccache swig coreutils haveged scons libpython3-dev rename qemu-utils
         sudo apt-get clean
         git config --global user.name 'GitHub Actions' && git config --global user.email 'noreply@github.com'
-        df -Th
+
+    - name: Install LLVM
+      run: |
+        export PATH="/opt/clang/bin:$PATH"
+        mkdir /opt/clang
+        curl -LO https://github.com/sbwml/ubuntu-llvm-project/releases/download/17.0.6/clang-17.0.6-x86_64-ubuntu-22.04.tar.xz --progress-bar
+        sudo tar --strip-components=1 -C /opt/clang -xf clang-17.0.6-x86_64-ubuntu-22.04.tar.xz
+        clang --version
 
     - name: Compile OpenWrt
       id: compile
       continue-on-error: true
       working-directory: /builder
       run: |
+        export PATH="/opt/clang/bin:$PATH"
+        [ "${{ matrix.model }}" != "netgear_r8500" ] && export KERNEL_CLANG_LTO=y
         BUILD_FAST=y ENABLE_BPF=y ENABLE_LTO=y ENABLE_LRNG=y USE_GCC15=y USE_MOLD=y bash <(curl -sS ${{ secrets.script_url_general }}) ${{ matrix.tag.type }} ${{ matrix.model }}
         build_date=$(date "+%Y-%m-%d")
         echo "build_date=$build_date" >> $GITHUB_ENV
@@ -108,6 +114,7 @@ jobs:
       if: steps.compile.outcome == 'failure'
       working-directory: /builder
       run: |
+        export PATH="/opt/clang/bin:$PATH"
         cd openwrt
         make V=s