Docker images for compiling static Rust binaries using musl-cross

messense

Last update: Dec 30, 2022

Related tags

Overview

rust-musl-cross

Docker images for compiling static Rust binaries using musl-cross-make, inspired by rust-musl-builder

Prebuilt images

Currently we have the following prebuilt Docker images on Docker Hub.

Rust toolchain	Cross Compile Target	Docker Image Tag
stable	aarch64-unknown-linux-musl	aarch64-musl
stable	arm-unknown-linux-musleabi	arm-musleabi
stable	arm-unknown-linux-musleabihf	arm-musleabihf
stable	armv5te-unknown-linux-musleabi	armv5te-musleabi
stable	armv7-unknown-linux-musleabi	armv7-musleabi
stable	armv7-unknown-linux-musleabihf	armv7-musleabihf
stable	i586-unknown-linux-musl	i586-musl
stable	i686-unknown-linux-musl	i686-musl
stable	mips-unknown-linux-musl	mips-musl
stable	mipsel-unknown-linux-musl	mipsel-musl
stable	x86_64-unknown-linux-musl	x86_64-musl

To use armv7-unknown-linux-musleabihf target for example, first pull the image:

docker pull messense/rust-musl-cross:armv7-musleabihf

Then you can do:

alias rust-musl-builder='docker run --rm -it -v "$(pwd)":/home/rust/src messense/rust-musl-cross:armv7-musleabihf'
rust-musl-builder cargo build --release

This command assumes that $(pwd) is readable and writable. It will output binaries in armv7-unknown-linux-musleabihf. At the moment, it doesn't attempt to cache libraries between builds, so this is best reserved for making final release builds.

How it works

rust-musl-cross uses musl-libc, musl-gcc with the help of musl-cross-make to make it easy to compile, and the new rustup target support. It includes static versions of several libraries:

The standard musl-libc libraries.
OpenSSL, which is needed by many Rust applications.

Making OpenSSL work

If your application uses OpenSSL, you will also need to take a few extra steps to make sure that it can find OpenSSL's list of trusted certificates, which is stored in different locations on different Linux distributions. You can do this using openssl-probe as follows:

extern crate openssl_probe;

fn main() {
    openssl_probe::init_ssl_cert_env_vars();
    //... your code
}

Use beta/nightly Rust

Currently we install stable Rust by default, if you want to switch to beta/nightly Rust, you can do it by extending from our Docker image, for example to use beta Rust for target x86_64-unknown-linux-musl:

FROM messense/rust-musl-cross:x86_64-musl
RUN rustup update beta && \
    rustup target add --toolchain beta x86_64-unknown-linux-musl

Strip binaries

You can use the musl-strip command inside the image to strip binaries, for example:

docker run --rm -it -v "$(pwd)":/home/rust/src messense/rust-musl-cross:armv7-musleabihf musl-strip /home/rust/src/target/release/example

License

Licensed under The MIT License

Comments

Fix C compiler environment variables

Setting CC breaks build dependencies when cross compiling. cc-rs also supports reading TARGET_ variables, and falls back to the default compiler (and include paths) when compiling for the host.

Fixes #10

opened by jan-auer 12
Cross-compilation libudev-sys

Hi, I have a problem with cross-compile example tokio-serial. I described the problem on tokio-serial issue - but I think here should be more people that can manage this problem.
question

opened by xoac 5
`messense/rust-musl-cross:x86_64-musl` is not `x86_64-unknown-linux-musl` target.

Thanks for your work on this. A very usefull docker image to build musl target.

But recently, I find that messense/rust-musl-cross:x86_64-musl is not x86_64-unknown-linux-musl target. It shows x86_64-unknown-linux-gun in my wsl2 kali roling linux.

opened by mokeyish 4
Request To Add Prebuilt Docker Image For arm32v7 Architecture

@messense is there any plan to add prebuild image of arm32v7 rust-musl-cross in the future?

I came across your docker image while trying to cross compile a rust source to target armv6, it got all the binaries I need. However due to my project requirements and some constraint on my work PC, I can only run my build on a Raspberry Pi 4 with 32bit OS. The prebuilt images available are only for arm64 and amd64 according to the repo on docker hub.

Currently I'm working around this limitation by using official rust arm32v7 image and run make install for musl-cross-make on the image. It would be great if you can add arm32v7 prebuilt image as it will result in lesser complexity of my Dockerfile for my project.

Thank you in advance.

opened by aggo15 4
Strip

Hi, I was wondering how I could cross strip my final application just using this docker image? Anybody know about existing cross striping? or maybe some [profile.release] configuration (can rustc strip by itself?)
question

opened by xoac 4
aarch64-musl crashing when building app
Hi,

I try to build a rust app with musl, by rust-mul-cross images and GHA.

x86_64 works fine, but aarch64 crash.

I get:

#14 5.127 Updating crates.io index #14 85.51 Killed ERROR: failed to solve: process "/bin/sh -c cargo build --release" did not complete successfully: exit code: 137 Error: buildx failed with: ERROR: failed to solve: process "/bin/sh -c cargo build --release" did not complete successfully: exit code: 137

GHA Workflow: https://github.com/Ludea/speedupdate-rs/blob/master/.github/workflows/docker.yml Dockerfile: https://github.com/Ludea/speedupdate-rs/blob/master/Dockerfile Full log: https://github.com/Ludea/speedupdate-rs/actions/runs/3409830963/jobs/5672075085

I don't understand what is wrong
opened by Ludea 3
GH Actions notifications on cloned repo

I just updated the master branch on my repo, and now I have failed Action Notifications in my mail box

How can I stop that without making a commit to delete it (which will be questioned next time I update the branch) (EDIT: and makes making PR's a bit problematic).

NOTE: I was not getting any Actions or Notifications before that (then 53 commits behind I think )

opened by paulwratt 3

Can't build with x86_64-musl around pkg-config

I want to build the plotters example in x86_64-musl.
I did these commands.

git clone https://github.com/plotters-rs/plotters.git --recursive
cd plotters
docker run --rm -it -v `pwd`:/home/rust/src messense/rust-musl-cross:x86_64-musl
# in the container.
cd plotters
RUST_BACKTRACE=1 cargo run --example histogram

And I got errors.

error: failed to run custom build command for `yeslogic-fontconfig-sys v3.2.0`

Caused by:
  process didn't exit successfully: `/home/rust/src/target/debug/build/yeslogic-fontconfig-sys-cac8f25c1297fba5/build-script-build` (exit status: 101)
  --- stdout
  cargo:rerun-if-env-changed=RUST_FONTCONFIG_DLOPEN
  cargo:rerun-if-env-changed=FONTCONFIG_NO_PKG_CONFIG
  cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64-unknown-linux-musl
  cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64_unknown_linux_musl
  cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_ALLOW_CROSS
  cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS
  cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-musl
  cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_musl
  cargo:rerun-if-env-changed=TARGET_PKG_CONFIG
  cargo:rerun-if-env-changed=PKG_CONFIG
  cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-musl
  cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_musl
  cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_SYSROOT_DIR
  cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR

  --- stderr
  thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "pkg-config has not been configured to support cross-compilation.\n\nInstall a sysroot for the target platform and configure it via\nPKG_CONFIG_SYSROOT_DIR and PKG_CONFIG_PATH, or install a\ncross-compiling wrapper for pkg-config and set it via\nPKG_CONFIG environment variable."', /root/.cargo/registry/src/github.com-1ecc6299db9ec823/yeslogic-fontconfig-sys-3.2.0/build.rs:8:48
  stack backtrace:
     0: rust_begin_unwind
               at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/std/src/panicking.rs:584:5
     1: core::panicking::panic_fmt
               at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/panicking.rs:142:14
     2: core::result::unwrap_failed
               at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/result.rs:1785:5
     3: core::result::Result<T,E>::unwrap
               at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/result.rs:1078:23
     4: build_script_build::main
               at ./build.rs:8:9
     5: core::ops::function::FnOnce::call_once
               at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/ops/function.rs:248:5
  note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
warning: build failed, waiting for other jobs to finish...

It seems to be a problem with the configuration around pkg-config.
Sorry if this is not appropriate as an issue.
Is this a problem with messense/rust-musl-cross:x86_64-musl ?
Or should I create a properly configured Docker container based on messense/rust-musl-cross:x86_64-musl ?

opened by HiraokaTakuya 3

Build rocksdb with error

Downloaded 134 crates (15.9 MB) in 4.37s (largest was `librocksdb-sys` at 6.1 MB)
   Compiling librocksdb-sys v0.6.1+6.28.2
error: failed to run custom build command for `librocksdb-sys v0.6.1+6.28.2`

Caused by:
  process didn't exit successfully: `/home/rust/src/target/release/build/librocksdb-sys-575f1be645469399/build-script-build` (exit status: 101)
  --- stderr
  /usr/include/stdint.h:26:10: fatal error: 'bits/libc-header-start.h' file not found
  /usr/include/stdint.h:26:10: fatal error: 'bits/libc-header-start.h' file not found, err: true
  thread 'main' panicked at 'unable to generate rocksdb bindings: ()', /root/.cargo/registry/src/github.com-1ecc6299db9ec823/librocksdb-sys-0.6.1+6.28.2/build.rs:43:10
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

opened by ipconfiger 3

Compilation failed: thread 'rustc' panicked at 'Failed to get crate data for crate179'

Platform

Linux 65fe86937035 5.4.0-73-generic #82-Ubuntu SMP Wed Apr 14 17:39:42 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux`

Description

I'm trying to cross-compile a Rust application that depends on ethers-rs with the help of rust-musl-cross. However, compilation fails and after some debugging, I found ethers-rs to be the one causing the error.

I'm not opening this issue on ethers-rs as that library can be compiled outside rust-musl-cross without issues.

Steps to Reproduce

Create a Dockerfile anywhere with the following content:

FROM messense/rust-musl-cross:x86_64-musl

RUN git clone https://github.com/gakonst/ethers-rs && \
    cd ethers-rs && \
    cargo build

Run:

$ docker build .

Expected Result

Compilation succeeds.

Actual Result

Compilation fails with:

   Compiling ethers-contract-abigen v0.2.2 (/home/rust/src/ethers-rs/ethers-contract/ethers-contract-abigen)
   Compiling ethers-providers v0.2.2 (/home/rust/src/ethers-rs/ethers-providers)
   Compiling ethers-contract-derive v0.2.2 (/home/rust/src/ethers-rs/ethers-contract/ethers-contract-derive)
   Compiling ethers-contract v0.2.2 (/home/rust/src/ethers-rs/ethers-contract)
thread 'rustc' panicked at 'Failed to get crate data for crate179', compiler/rustc_metadata/src/creader.rs:136:32
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.52.1 (9bc8c42bb 2021-05-09) running on x86_64-unknown-linux-gnu

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C linker=x86_64-unknown-linux-musl-gcc -C incremental --crate-type lib

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
error: could not compile `ethers-contract`

To learn more, run the command again with --verbose.

opened by xJonathanLEI 3

pkg-config has not been configured for cross-compilation (external sys dependencies)

Hi, I'm sorry if this is not the right place to ask, but my application depends on libpulse-sys and causes the following error when I try to build it in the container. I understand that getting host system's libraries to link is not trivial, but I wonder if you can just compile and provide a cross-compiling pkg-config?

The following warnings were emitted during compilation:

warning: pkg-config has not been configured to support cross-compilation.

error: failed to run custom build command for `libpulse-sys v1.18.0`

Caused by:
  process didn't exit successfully: `/home/rust/src/target/release/build/libpulse-sys-0b539a63b06ecfcd/build-script-build` (exit code: 1)
  --- stdout
  cargo:rerun-if-env-changed=LIBPULSE_NO_PKG_CONFIG
  cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64-unknown-linux-musl
  cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64_unknown_linux_musl
  cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_ALLOW_CROSS
  cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS
  cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-musl
  cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_musl
  cargo:rerun-if-env-changed=TARGET_PKG_CONFIG
  cargo:rerun-if-env-changed=PKG_CONFIG
  cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-musl
  cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_musl
  cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_SYSROOT_DIR
  cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
  cargo:rerun-if-env-changed=LIBPULSE_NO_PKG_CONFIG
  cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64-unknown-linux-musl
  cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64_unknown_linux_musl
  cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_ALLOW_CROSS
  cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS
  cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-musl
  cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_musl
  cargo:rerun-if-env-changed=TARGET_PKG_CONFIG
  cargo:rerun-if-env-changed=PKG_CONFIG
  cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-musl
  cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_musl
  cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_SYSROOT_DIR
  cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
  cargo:warning=pkg-config has not been configured to support cross-compilation.

                  Install a sysroot for the target platform and configure it via
                  PKG_CONFIG_SYSROOT_DIR and PKG_CONFIG_PATH, or install a
                  cross-compiling wrapper for pkg-config and set it via
                  PKG_CONFIG environment variable.
warning: build failed, waiting for other jobs to finish...
error: build failed

opened by gustafla 3

RISCV 64 support

Hey guys, it would be awesome to have RISCV support. I have already seen that there is a feature branch for it, but no PR or ticket yet. So I just wanted to ask here about the status.

opened by RouHim 2
Docker file arm fpu setting
in the following line what does -d16 refer to, or enable:

ENV CFLAGS_armv7_unknown_linux_musleabihf='-mfpu=vfpv3-d16'

As far as I understand this is device specific, that is -mfpu=vfpv3 will apply to more (Broadcom?) armv7 devices that have a vfpv3
opened by paulwratt 8

s390x can't build openssl-src

  = note: /usr/local/musl/bin/../lib/gcc/s390x-unknown-linux-musl/9.2.0/../../../../s390x-unknown-linux-musl/bin/ld: /home/rust/src/target/s390x-unknown-linux-musl/debug/deps/libopenssl_sys-70172c64409e3e90.rlib(curve448.o): in function `recode_wnaf':
          /home/rust/src/target/s390x-unknown-linux-musl/debug/build/openssl-sys-1de3ca3326f5bf22/out/openssl-build/build/src/crypto/ec/curve448/curve448.c:575: undefined reference to `__ctzdi2'
          /usr/local/musl/bin/../lib/gcc/s390x-unknown-linux-musl/9.2.0/../../../../s390x-unknown-linux-musl/bin/ld: read-only segment has dynamic relocations
          collect2: error: ld returned 1 exit status

Hmm, not sure what's going on.

Originally posted by @messense in https://github.com/messense/rust-musl-cross/issues/62#issuecomment-1250523140

bug

opened by messense 3

Owner

messense

Python Backend Developer at day, Rustacean at night.

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