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Update README for stabe rustc strip flag and cargo strip feature release date #35

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Update README for stabe rustc strip flag and cargo strip feature release date #35

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14 changes: 14 additions & 0 deletions README.md
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Expand Up @@ -49,6 +49,8 @@ $ strip target/release/min-sized-rust
Available starting `1.45.0-nightly (2020-05-28)`,
[Cargo has `strip` functionality built in](https://doc.rust-lang.org/cargo/reference/unstable.html#profile-strip-option):

> Usage directly with `cargo` will be stabilized with rust [`1.59`](https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md#cargo-159-2022-02-24)

![Minimum Rust: Nightly](https://img.shields.io/badge/Minimum%20Rust%20Version-nightly%201.45.0-orange.svg)

Modify `Cargo.toml` in this way:
Expand All @@ -60,6 +62,18 @@ cargo-features = ["strip"]
strip = true # Automatically strip symbols from the binary.
```

![Minimum Rust: 1.58](https://img.shields.io/badge/Minimum%20Rust%20Version-1.58-brightgreen.svg)

To avoid using the nightly, you can add the rustc flag that is now [stabilized](https://github.com/rust-lang/rust/blob/master/RELEASES.md#version-1580-2022-01-13) (since `1.58`).

Add the following to `.cargo/config`:

```toml
[build]
rustflags = ["-Cstrip=symbols"]
```
or build with `RUSTFLAGS='-C strip=symbols' cargo build --release`

# Optimize For Size

![Minimum Rust: 1.28](https://img.shields.io/badge/Minimum%20Rust%20Version-1.28-brightgreen.svg)
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