lighthouse/crypto/eth2_hashing/Cargo.toml
Paul Hauner b063df5bf9 Cross-compile to vendored x86_84, aarch64 (Raspberry Pi 4) (#1497)
## Issue Addressed

NA

## Proposed Changes

Adds support for using the [`cross`](https://github.com/rust-embedded/cross) project to produce cross-compiled binaries using Docker images.

Provides quite clean and simple cross-compiles cause all the complexity is hidden in Dockerfiles. It does require you to be in the `docker` group though.

## Details

- Adds shortcut commands to `Makefile`
- Ensures `reqwest` and `discv5` use vendored openssl libs (i.e., static not shared).
- Switches to a [commit](284f705964) of blst that has a renamed C function to avoid a collision with openssl (upstream issue: https://github.com/supranational/blst/issues/21).
- Updates `ring` to the latest satisfiable version, since an earlier version was causing issues with `cross`.
- Off-topic, but adds extra message about Windows support as suggested by Discord user.

## Additional Info

- ~~Blocked on #1495~~
- There are no tests in CI for this yet for a few reasons:
  - I'm hesitant to add more long-running tasks.
  - Short-term bitrot should be avoided since we'll use it each release.
  - In the long term I think it would be good to automate binary creation on a release.
- I observed the binaries increase in size from 50mb to 52mb after these changes.
2020-08-11 05:16:30 +00:00

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608 B
TOML

[package]
name = "eth2_hashing"
version = "0.1.1"
authors = ["Paul Hauner <paul@paulhauner.com>"]
edition = "2018"
license = "Apache-2.0"
description = "Hashing primitives used in Ethereum 2.0"
[dependencies]
lazy_static = { version = "1.4.0", optional = true }
[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
ring = "0.16.12"
[target.'cfg(target_arch = "wasm32")'.dependencies]
sha2 = "0.9.1"
[dev-dependencies]
rustc-hex = "2.1.0"
[target.'cfg(target_arch = "wasm32")'.dev-dependencies]
wasm-bindgen-test = "0.3.12"
[features]
default = ["zero_hash_cache"]
zero_hash_cache = ["lazy_static"]