add support for freebsd (#40)

* add support for freebsd

- philss/rustler_precompiled#55
-
https://github.com/elixir-explorer/explorer/blob/main/.github/workflows/release.yml#L41

* update action

* add freebsd to the list of targets

Author: ayrat555

.github/workflows/release.yml

@@ -26,6 +26,7 @@ jobs:
           - { 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  }
+          - { target: x86_64-unknown-freebsd, os: ubuntu-22.04, use-cross: true, cross-version: v0.2.5 }
 
     steps:
     - name: Checkout source code
@@ -44,13 +45,14 @@ jobs:
 
     - name: Build the project
       id: build-crate
-      uses: philss/[email protected].0
+      uses: philss/[email protected].1
       with:
         project-name: exkeccak
         project-version: ${{ env.PROJECT_VERSION }}
         target: ${{ matrix.job.target }}
         nif-version: ${{ matrix.nif }}
         use-cross: ${{ matrix.job.use-cross }}
+        cross-version: ${{ matrix.job.cross-version || 'v0.2.4' }}
         project-dir: "native/exkeccak"
 
     - name: Artifact upload

lib/ex_keccak.ex

@@ -13,7 +13,10 @@ defmodule ExKeccak do
     base_url: "https://github.com/tzumby/ex_keccak/releases/download/v#{version}",
     force_build: System.get_env("EXKECCAK_BUILD") in ["1", true] or env_config[:ex_keccak],
     targets:
-      Enum.uniq(["aarch64-unknown-linux-musl" | RustlerPrecompiled.Config.default_targets()]),
+      Enum.uniq(
+        ["aarch64-unknown-linux-musl", "x86_64-unknown-freebsd"] ++
+          RustlerPrecompiled.Config.default_targets()
+      ),
     version: version
 
   def hash_256(_data), do: :erlang.nif_error(:nif_not_loaded)