Skip to content

ci: fix remote cross compilation #3 #4

Merged
tac0turtle merged 1 commit into
evstack:marko/dockerfrom
auricom:claude/fix_cross_docker
Jun 24, 2025
Merged

ci: fix remote cross compilation #3 #4
tac0turtle merged 1 commit into
evstack:marko/dockerfrom
auricom:claude/fix_cross_docker

Conversation

@auricom

@auricom auricom commented Jun 24, 2025

Copy link
Copy Markdown
Contributor

Fix Remote Cross Compilation for Multi-Architecture Docker Builds

🎯 Problem

The GitHub Actions workflow was failing during cross-compilation for ARM64 (aarch64) targets due to missing native dependencies and improper toolchain configuration. The build errors included:

  • fatal: No names found, cannot describe anything during git operations
  • error: failed to run custom build command for reth-mdbx-sys with missing stdarg.h headers
  • could not exec the linker cc permission denied errors
  • ARM64 compiler receiving x86_64-specific flags like -m64

🔧 Solution

This PR implements a comprehensive fix for cross-compilation issues by:

1. Enhanced GitHub Workflow (.github/workflows/docker.yml)

  • Added build dependencies installation: Essential tools like build-essential, libclang-dev, clang, llvm-dev
  • Set up toolchain variables: Target-specific CC, CXX, AR for both x86_64 and aarch64

2. Cross-Compilation Configuration (Cross.toml)

  • Custom Docker images: Uses target-specific Dockerfiles for proper toolchain setup

3. ARM64 Docker Image (Dockerfile.cross-aarch64)

4. x86_64 Docker Image (Dockerfile.cross-x86_64)

🚀 Key Improvements

  • ✅ Fixes native dependency compilation: reth-mdbx-sys, tikv-jemalloc-sys, and blst now build successfully
  • ✅ Resolves header location issues: Proper include paths for stdarg.h and other standard headers
  • ✅ Eliminates permission errors: Correct toolchain setup prevents execution permission issues
  • ✅ Supports multi-architecture: Both x86_64 and ARM64 Docker images build successfully
  • ✅ Maintains CI efficiency: Uses proven cross-rs infrastructure with minimal overhead

This fix ensures the project can build and deploy successfully on both Intel/AMD and ARM-based systems, supporting the growing ARM64 ecosystem while maintaining full x86_64 compatibility.

Summary by CodeRabbit

  • New Features
    • Added dedicated cross-compilation support for x86_64 and ARM64 (aarch64) Linux targets using new Dockerfiles and configuration.
  • Chores
    • Enhanced the build workflow to explicitly install required dependencies and set up environment variables for cross-compilation.
    • Introduced a configuration file to manage cross-compilation settings and environment variables for consistent builds.

@auricom auricom requested a review from a team as a code owner June 24, 2025 15:40

@gemini-code-assist gemini-code-assist Bot left a comment

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Summary of Changes

Hello @auricom, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request aims to resolve critical cross-compilation failures encountered during multi-architecture Docker builds, particularly for ARM64 targets. By introducing dedicated Docker images with properly configured toolchains and dependencies, I've ensured that the project can successfully build on both x86_64 and ARM64 architectures, addressing issues like missing headers, linker errors, and incorrect compiler flags.

Highlights

  • Multi-Architecture Cross-Compilation Setup: I've introduced a new Cross.toml configuration file to define custom Docker images for cross-compilation targets, specifically x86_64-unknown-linux-gnu and aarch64-unknown-linux-gnu. This centralizes the configuration for cross-rs.
  • ARM64 Docker Build Environment: I've added Dockerfile.cross-aarch64 which sets up a comprehensive ARM64 cross-compilation environment. This includes installing necessary toolchains (gcc, g++, libc6-dev, pkg-config) and development libraries (build-essential, clang, libclang-dev), along with configuring environment variables like CC, CXX, AR, STRIP, PKG_CONFIG, and BINDGEN_EXTRA_CLANG_ARGS to ensure proper linking and header discovery for ARM64 builds.
  • x86_64 Docker Build Environment: I've also added Dockerfile.cross-x86_64 to provide a dedicated x86_64 cross-compilation environment. This Dockerfile installs essential build tools and libraries (build-essential, pkg-config, libclang-dev, clang) and configures target-specific environment variables for x86_64, similar to the ARM64 setup, to resolve compilation issues.
Using Gemini Code Assist

The full guide for Gemini Code Assist can be found on our documentation page, here are some quick tips.

Invoking Gemini

You can request assistance from Gemini at any point in your pull request via creating an issue comment (i.e. comment on the pull request page) using either /gemini <command> or @gemini-code-assist <command>. Below is a summary of the supported commands.

Feature Command Description
Code Review /gemini review Performs a code review for the current pull request in its current state.
Pull Request Summary /gemini summary Provides a summary of the current pull request in its current state.
Comment @gemini-code-assist Responds in comments when explicitly tagged, both in issue comments and review comments.
Help /gemini help Displays a list of available commands.

Customization

To customize Gemini Code Assist for GitHub experience, repository maintainers can create a configuration file and/or provide a custom code review style guide (such as PEP-8 for Python) by creating and adding files to a .gemini/ folder in the base of the repository. Detailed instructions can be found here.

Limitations & Feedback

Gemini Code Assist is currently in preview and may make mistakes. Please leave feedback on any instances where its feedback is incorrect or counter productive. You can react with 👍 and 👎 on @gemini-code-assist comments to provide feedback.

You can also get AI-powered code generation, chat, as well as code reviews directly in the IDE at no cost with the Gemini Code Assist IDE Extension.

Footnotes

  1. Review the Privacy Notices, Generative AI Prohibited Use Policy, Terms of Service, and learn how to configure Gemini Code Assist in GitHub here. Gemini can make mistakes, so double check it and use code with caution.

@coderabbitai

coderabbitai Bot commented Jun 24, 2025

Copy link
Copy Markdown

Important

Review skipped

Auto reviews are disabled on base/target branches other than the default branch.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.


Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share
🪧 Tips

Chat

There are 3 ways to chat with CodeRabbit:

  • Review comments: Directly reply to a review comment made by CodeRabbit. Example:
    • I pushed a fix in commit <commit_id>, please review it.
    • Explain this complex logic.
    • Open a follow-up GitHub issue for this discussion.
  • Files and specific lines of code (under the "Files changed" tab): Tag @coderabbitai in a new review comment at the desired location with your query. Examples:
    • @coderabbitai explain this code block.
    • @coderabbitai modularize this function.
  • PR comments: Tag @coderabbitai in a new PR comment to ask questions about the PR branch. For the best results, please provide a very specific query, as very limited context is provided in this mode. Examples:
    • @coderabbitai gather interesting stats about this repository and render them as a table. Additionally, render a pie chart showing the language distribution in the codebase.
    • @coderabbitai read src/utils.ts and explain its main purpose.
    • @coderabbitai read the files in the src/scheduler package and generate a class diagram using mermaid and a README in the markdown format.
    • @coderabbitai help me debug CodeRabbit configuration file.

Support

Need help? Create a ticket on our support page for assistance with any issues or questions.

Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments.

CodeRabbit Commands (Invoked using PR comments)

  • @coderabbitai pause to pause the reviews on a PR.
  • @coderabbitai resume to resume the paused reviews.
  • @coderabbitai review to trigger an incremental review. This is useful when automatic reviews are disabled for the repository.
  • @coderabbitai full review to do a full review from scratch and review all the files again.
  • @coderabbitai summary to regenerate the summary of the PR.
  • @coderabbitai generate docstrings to generate docstrings for this PR.
  • @coderabbitai generate sequence diagram to generate a sequence diagram of the changes in this PR.
  • @coderabbitai resolve resolve all the CodeRabbit review comments.
  • @coderabbitai configuration to show the current CodeRabbit configuration for the repository.
  • @coderabbitai help to get help.

Other keywords and placeholders

  • Add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.
  • Add @coderabbitai summary to generate the high-level summary at a specific location in the PR description.
  • Add @coderabbitai anywhere in the PR title to generate the title automatically.

CodeRabbit Configuration File (.coderabbit.yaml)

  • You can programmatically configure CodeRabbit by adding a .coderabbit.yaml file to the root of your repository.
  • Please see the configuration documentation for more information.
  • If your editor has YAML language server enabled, you can add the path at the top of this file to enable auto-completion and validation: # yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json

Documentation and Community

  • Visit our Documentation for detailed information on how to use CodeRabbit.
  • Join our Discord Community to get help, request features, and share feedback.
  • Follow us on X/Twitter for updates and announcements.

@gemini-code-assist gemini-code-assist Bot left a comment

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Code Review

This pull request introduces dedicated Dockerfiles for cross-compilation, improving multi-architecture builds. The review suggests pinning base image versions, using --no-install-recommends in apt-get, and combining ENV instructions for better reproducibility, smaller image sizes, and enhanced maintainability.

Comment thread Dockerfile.cross-aarch64
@@ -0,0 +1,27 @@
FROM ghcr.io/cross-rs/cross:main

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

high

Using the main tag for the base image can lead to non-reproducible builds. Pinning the base image to a specific, stable tag (e.g., a release version) ensures build consistency.

FROM ghcr.io/cross-rs/cross:v0.2.5

Comment thread Dockerfile.cross-x86_64
@@ -0,0 +1,19 @@
FROM ghcr.io/cross-rs/cross:main

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

high

Using the main tag for the base image can lead to non-reproducible builds. Pinning the base image to a specific, stable tag (e.g., a release version) ensures build consistency.

FROM ghcr.io/cross-rs/cross:v0.2.5

Comment thread Dockerfile.cross-aarch64
Comment on lines +5 to +12
apt-get install -y \
gcc-aarch64-linux-gnu \
g++-aarch64-linux-gnu \
libc6-dev-arm64-cross \
pkg-config-aarch64-linux-gnu \
build-essential \
clang \
libclang-dev && \

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

medium

Using --no-install-recommends with apt-get install reduces the final image size by preventing the installation of optional packages.

RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        gcc-aarch64-linux-gnu \
        g++-aarch64-linux-gnu \
        libc6-dev-arm64-cross \
        pkg-config-aarch64-linux-gnu \
        build-essential \
        clang \
        libclang-dev && \
    rm -rf /var/lib/apt/lists/*

Comment thread Dockerfile.cross-aarch64
Comment on lines +17 to +27
ENV CC_aarch64_unknown_linux_gnu=aarch64-linux-gnu-gcc
ENV CXX_aarch64_unknown_linux_gnu=aarch64-linux-gnu-g++
ENV AR_aarch64_unknown_linux_gnu=aarch64-linux-gnu-ar
ENV STRIP_aarch64_unknown_linux_gnu=aarch64-linux-gnu-strip
ENV PKG_CONFIG_aarch64_unknown_linux_gnu=aarch64-linux-gnu-pkg-config
ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc
ENV BINDGEN_EXTRA_CLANG_ARGS="-I/usr/aarch64-linux-gnu/include -I/usr/include"
ENV CFLAGS_aarch64_unknown_linux_gnu="-I/usr/aarch64-linux-gnu/include -I/usr/include"
ENV CPPFLAGS_aarch64_unknown_linux_gnu="-I/usr/aarch64-linux-gnu/include -I/usr/include"
ENV JEMALLOC_SYS_WITH_LG_PAGE=16
ENV PKG_CONFIG_ALLOW_CROSS=1 No newline at end of file

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

medium

Combining multiple ENV instructions and using a variable for repeated values improves readability and reduces Docker image layers.

ENV AARCH64_INCLUDE_PATH="-I/usr/aarch64-linux-gnu/include -I/usr/include"
ENV CC_aarch64_unknown_linux_gnu=aarch64-linux-gnu-gcc \
    CXX_aarch64_unknown_linux_gnu=aarch64-linux-gnu-g++ \
    AR_aarch64_unknown_linux_gnu=aarch64-linux-gnu-ar \
    STRIP_aarch64_unknown_linux_gnu=aarch64-linux-gnu-strip \
    PKG_CONFIG_aarch64_unknown_linux_gnu=aarch64-linux-gnu-pkg-config \
    CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc \
    BINDGEN_EXTRA_CLANG_ARGS="${AARCH64_INCLUDE_PATH}" \
    CFLAGS_aarch64_unknown_linux_gnu="${AARCH64_INCLUDE_PATH}" \
    CPPFLAGS_aarch64_unknown_linux_gnu="${AARCH64_INCLUDE_PATH}" \
    JEMALLOC_SYS_WITH_LG_PAGE=16 \
    PKG_CONFIG_ALLOW_CROSS=1

Comment thread Dockerfile.cross-x86_64
Comment on lines +5 to +9
apt-get install -y \
build-essential \
pkg-config \
libclang-dev \
clang && \

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

medium

Using --no-install-recommends with apt-get install reduces the final image size by preventing the installation of optional packages.

RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        build-essential \
        pkg-config \
        libclang-dev \
        clang && \
    rm -rf /var/lib/apt/lists/*

Comment thread Dockerfile.cross-x86_64
Comment on lines +13 to +19
ENV CC_x86_64_unknown_linux_gnu=x86_64-linux-gnu-gcc
ENV CXX_x86_64_unknown_linux_gnu=x86_64-linux-gnu-g++
ENV AR_x86_64_unknown_linux_gnu=x86_64-linux-gnu-ar
ENV STRIP_x86_64_unknown_linux_gnu=x86_64-linux-gnu-strip
ENV BINDGEN_EXTRA_CLANG_ARGS_x86_64_unknown_linux_gnu="-I/usr/include -I/usr/include/x86_64-linux-gnu"
ENV CFLAGS_x86_64_unknown_linux_gnu="-I/usr/include -I/usr/include/x86_64-linux-gnu"
ENV CPPFLAGS_x86_64_unknown_linux_gnu="-I/usr/include -I/usr/include/x86_64-linux-gnu"

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

medium

Combining multiple ENV instructions and using a variable for repeated values improves readability and reduces Docker image layers.

ENV X86_64_INCLUDE_PATH="-I/usr/include -I/usr/include/x86_64-linux-gnu"
ENV CC_x86_64_unknown_linux_gnu=x86_64-linux-gnu-gcc \
    CXX_x86_64_unknown_linux_gnu=x86_64-linux-gnu-g++ \
    AR_x86_64_unknown_linux_gnu=x86_64-linux-gnu-ar \
    STRIP_x86_64_unknown_linux_gnu=x86_64-linux-gnu-strip \
    BINDGEN_EXTRA_CLANG_ARGS_x86_64_unknown_linux_gnu="${X86_64_INCLUDE_PATH}" \
    CFLAGS_x86_64_unknown_linux_gnu="${X86_64_INCLUDE_PATH}" \
    CPPFLAGS_x86_64_unknown_linux_gnu="${X86_64_INCLUDE_PATH}"

@auricom auricom changed the title docker fixes ci: fix remote cross compilation #3 Jun 24, 2025
@tac0turtle tac0turtle merged commit dd77902 into evstack:marko/docker Jun 24, 2025
15 checks passed
tac0turtle added a commit that referenced this pull request Jun 24, 2025
* docker fixes

* bump rust version in docker

* more fixes

* more fixes

* attempt

* ci: fix remote cross compilation (#4)

* only create images on push to main

---------

Co-authored-by: auricom <27022259+auricom@users.noreply.github.com>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants