Summary
Today, I made a Dockerfile for Rust development on Alpine Linux.
I met the error below when installing Rust with Rustup:
# apk add rustup
Then
# rustup-init -y
The output was:
(...)
error: linker `cc` not found
|
= note: No such file or directory (os error 2)
...
error: build failed
The command '/bin/sh -c cargo build' returned a non-zero code: 101
Environment
- Alpine Linux 3.13
- Rust 1.50
- Rustup 1.23
Solution
It was fixed by adding build-base package:
# apk add rustup
# #apk add gcc # here or
# apk add build-base # here
Then
# rustup-init -y
The output was:
info: profile set to 'default'
info: default host triple is x86_64-unknown-linux-musl
info: syncing channel updates for 'stable-x86_64-unknown-linux-musl'
info: latest update on 2021-02-11, rust version 1.50.0 (cb75ad5db 2021-02-10)
info: downloading component 'cargo'
info: downloading component 'clippy'
info: downloading component 'rust-docs'
info: downloading component 'rust-std'
info: downloading component 'rustc'
info: installing component 'rustfmt'
info: default toolchain set to 'stable-x86_64-unknown-linux-musl'
stable-x86_64-unknown-linux-musl installed - rustc 1.50.0 (cb75ad5db 2021-02-10)
Rust is installed now. Great!
To get started you need Cargo's bin directory ($HOME/.cargo/bin) in your PATH
environment variable. Next time you log in this will be done
automatically.
To configure your current shell, run:
source $HOME/.cargo/env
As to Dockerfile, adding
ENV PATH=#{user-home-abs-path}/.cargo/bin:"$PATH"
after the installation might bring a little more happiness :)
Conclusion
The minimal installation requires, of course, just gcc instead of build-base.
It is, however, not recommended because either musl-dev or libc-dev will be necessary in addition soon after.
In my case, installing Rust only was successful with gcc, but Actix Web, a Rust web framework using actors communication, required build-base.
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