Rustler precompiled: Add musl targets (#33)

Author: tzumby

.github/workflows/release.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches:
       - main
-      - rustler-precompiled
+      - rustler-precompiled2
     tags:
       - '*'
 
@@ -19,10 +19,12 @@ jobs:
         job:
           - { target: arm-unknown-linux-gnueabihf , os: ubuntu-20.04 , use-cross: true }
           - { target: aarch64-unknown-linux-gnu   , os: ubuntu-20.04 , use-cross: true }
+          - { target: aarch64-unknown-linux-musl  , os: ubuntu-20.04 , use-cross: true }
           - { target: aarch64-apple-darwin        , os: macos-11      }
           - { target: riscv64gc-unknown-linux-gnu , os: ubuntu-20.04 , use-cross: true }
           - { target: x86_64-apple-darwin         , os: macos-11      }
           - { target: x86_64-unknown-linux-gnu    , os: ubuntu-20.04  }
+          - { target: x86_64-unknown-linux-musl   , os: ubuntu-20.04 , use-cross: true }
           - { target: x86_64-pc-windows-gnu       , os: windows-2019  }
           - { target: x86_64-pc-windows-msvc      , os: windows-2019  }
 

README.md

@@ -1,6 +1,6 @@
 # ExKeccak
 
-[![Build Status](https://www.travis-ci.com/tzumby/ex_keccak.svg?branch=master)](https://www.travis-ci.com/tzumby/ex_keccak)
+[![CI](https://github.com/tzumby/ex_keccak/actions/workflows/ci.yml/badge.svg)](https://github.com/tzumby/ex_keccak/actions/workflows/ci.yml)
 
 ExKeccak is a NIF that wraps the KECCAK-256 function from the [tiny-keccak](https://github.com/debris/tiny-keccak) Rust library. KECCAK-256 is used by Ethereum.
 

native/exkeccak/.cargo/config

@@ -16,5 +16,10 @@ rustflags = [
   "-C", "target-feature=-crt-static"
 ]
 
+[target.aarch64-unknown-linux-musl]
+rustflags = [
+  "-C", "target-feature=-crt-static"
+]
+
 [profile.release]
 lto = true