Actix-web: impossibility to be build with musl

[unegare]

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Expected Behavior

be build

Current Behavior

cannot produce proc-macro for `actix-macros v0.1.1` as the target `x86_64-unknown-linux-musl` does not support these crate types

Possible Solution

Steps to Reproduce (for bugs)

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Context

Your Environment

alpine
x86_64-unknown-linux-musl
actix-web = { version="^2.0", features=["openssl"] }

• Rust Version (I.e, output of rustc -V): 1.40
• Actix Web Version: 2.0

[Aaron1011]

This is not specific to actix-web - it's a general issue with running proc-macros on a musl host. See https://github.com/rust-lang/cargo/issues/7563