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Add GitHub Actions workflow for building Blender on Linux ARM64
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‎.github/workflows/build.yml‎

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name: Build Blender (Linux ARM64)
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on:
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workflow_dispatch:
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inputs:
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blender_version:
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description: 'Blender version tag'
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required: true
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default: 'v5.0.1'
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build_type:
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description: 'Build type'
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required: true
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default: 'release'
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type: choice
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options:
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- release
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- debug
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rebuild_deps:
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description: 'Force rebuild dependencies'
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required: false
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default: false
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type: boolean
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jobs:
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build:
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runs-on: ubuntu-24.04-arm
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container:
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image: rockylinux:8
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options: --privileged --user root
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steps:
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- name: Install base dependencies
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run: |
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dnf makecache
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dnf install -y epel-release
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dnf install -y git git-lfs gcc-toolset-14 ccache
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# Fix sudo PAM issue: create a sudo wrapper that bypasses password and PAM authentication
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# Since the container has the root user already, simply let sudo execute commands directly
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mv /usr/bin/sudo /usr/bin/sudo.orig || true
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cat > /usr/bin/sudo << 'EOF'
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#!/bin/bash
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# Skip sudo for root user, just execute the command directly
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if [ "$1" = "-y" ] || [ "$1" = "-n" ] || [ "$1" = "-E" ]; then
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shift
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fi
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exec "$@"
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EOF
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chmod +x /usr/bin/sudo
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- name: Setup Git LFS
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run: git-lfs install
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- name: Clone Blender repository
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run: |
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mkdir -p ~/blender-git
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cd ~/blender-git
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GIT_LFS_SKIP_SMUDGE=1 git clone -b ${{ github.event.inputs.blender_version }} --depth 1 https://github.com/blender/blender.git
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- name: Clone patches repository
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run: |
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cd ~/blender-git
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git clone -b ci --depth 1 https://github.com/lfdevs/blender-linux-arm64.git patches-repo
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- name: Apply patches
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run: |
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cd ~/blender-git/blender
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git config user.email "actions@github.com"
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git config user.name "GitHub Actions"
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PATCH_DIR=~/blender-git/patches-repo/patches/${{ github.event.inputs.blender_version }}
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if [ -d "$PATCH_DIR" ]; then
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echo "Found patches directory: $PATCH_DIR"
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for patch in $(ls -1 "$PATCH_DIR"/*.patch 2>/dev/null | sort); do
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echo "Applying patch: $patch"
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git apply --verbose "$patch"
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done
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git add -A
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git commit -m "Apply patches for ${{ github.event.inputs.blender_version }}" || echo "No changes to commit"
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echo "All patches applied successfully"
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else
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echo "No patches directory found for ${{ github.event.inputs.blender_version }}, skipping..."
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fi
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- name: Install build dependencies
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run: |
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chmod +x ~/blender-git/blender/build_files/build_environment/linux/linux_rocky8_setup.sh
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~/blender-git/blender/build_files/build_environment/linux/linux_rocky8_setup.sh
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echo "Cleaning dnf cache..."
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dnf clean all
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- name: Cache Blender dependencies
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uses: actions/cache@v4
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id: cache-deps
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with:
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path: ~/blender-git/blender/lib/linux_arm64
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key: blender-deps-${{ github.event.inputs.blender_version }}-${{ runner.os }}-${{ runner.arch }}-v1
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restore-keys: |
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blender-deps-${{ github.event.inputs.blender_version }}-${{ runner.os }}-${{ runner.arch }}-
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- name: Cache ccache
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uses: actions/cache@v4
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with:
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path: /root/.ccache
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key: ccache-${{ runner.os }}-${{ runner.arch }}-v1
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restore-keys: |
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ccache-${{ runner.os }}-${{ runner.arch }}-
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- name: Configure ccache
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run: |
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export CCACHE_DIR=/root/.ccache
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ccache --max-size=5G
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ccache --show-config
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ccache --zero-stats
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ccache --show-stats
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- name: Build dependencies
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if: steps.cache-deps.outputs.cache-hit != 'true' || github.event.inputs.rebuild_deps == true
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shell: bash
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run: |
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source /opt/rh/gcc-toolset-14/enable
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export CCACHE_DIR=/root/.ccache
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cd ~/blender-git/blender
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# Fix CUDA build error for OIDN
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export LD_LIBRARY_PATH=/usr/local/cuda/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
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export PATH=/usr/local/cuda/bin${PATH:+:${PATH}}
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# Fix FLAC extract error
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export LANG=en_US.UTF-8
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export CC=/opt/rh/gcc-toolset-14/root/usr/bin/gcc
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export CXX=/opt/rh/gcc-toolset-14/root/usr/bin/g++
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make deps
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unset CC CXX
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- name: Save Blender dependencies cache
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if: steps.cache-deps.outputs.cache-hit != 'true' || github.event.inputs.rebuild_deps == true
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uses: actions/cache/save@v4
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with:
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path: ~/blender-git/blender/lib/linux_arm64
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key: blender-deps-${{ github.event.inputs.blender_version }}-${{ runner.os }}-${{ runner.arch }}-v1
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- name: Clean dependencies build artifacts
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if: steps.cache-deps.outputs.cache-hit != 'true' || github.event.inputs.rebuild_deps == true
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run: |
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echo "Cleaning dependencies build directory to save space..."
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rm -rf ~/blender-git/build_linux
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echo "Dependencies build directory cleaned"
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- name: Verify dependencies
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run: |
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echo "Checking dependencies directory..."
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ls -lah ~/blender-git/blender/lib/linux_arm64/ || echo "Dependencies not found!"
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- name: Build Blender
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shell: bash
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run: |
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source /opt/rh/gcc-toolset-14/enable
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export CCACHE_DIR=/root/.ccache
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mkdir -p ~/blender-git/build_linux_${{ github.event.inputs.build_type }}
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cd ~/blender-git/build_linux_${{ github.event.inputs.build_type }}
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if [ "${{ github.event.inputs.build_type }}" == "release" ]; then
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cmake -C ../blender/build_files/cmake/config/blender_release.cmake \
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-G Ninja \
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-DCMAKE_BUILD_TYPE=Release \
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-DWITH_LIBS_PRECOMPILED=ON \
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-DLIBDIR=$HOME/blender-git/blender/lib/linux_arm64 \
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-DWITH_INSTALL_PORTABLE=ON \
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-DCMAKE_C_COMPILER_LAUNCHER=ccache \
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-DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
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../blender
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else
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cmake -G Ninja \
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-DCMAKE_BUILD_TYPE=Debug \
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-DWITH_LIBS_PRECOMPILED=ON \
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-DLIBDIR=$HOME/blender-git/blender/lib/linux_arm64 \
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-DWITH_INSTALL_PORTABLE=ON \
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-DCMAKE_C_COMPILER_LAUNCHER=ccache \
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-DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
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../blender
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fi
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echo "Building Blender..."
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ninja
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echo "Build completed successfully!"
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echo "ccache statistics:"
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ccache --show-stats
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- name: Save ccache
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uses: actions/cache/save@v4
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if: always()
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with:
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path: /root/.ccache
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key: ccache-${{ runner.os }}-${{ runner.arch }}-v1
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- name: Package Blender
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shell: bash
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run: |
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source /opt/rh/gcc-toolset-14/enable
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cd ~/blender-git/build_linux_${{ github.event.inputs.build_type }}
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cpack
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echo "Packaging completed successfully!"
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- name: Upload build artifacts
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uses: actions/upload-artifact@v4
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with:
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name: blender-linux-arm64-${{ github.event.inputs.blender_version }}-${{ github.event.inputs.build_type }}
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path: ~/blender-git/build_linux_${{ github.event.inputs.build_type }}/*.tar.gz
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retention-days: 90

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