Making this library Erlang bindings only. (#61)

* removed Elixir tests

* removed Elixir project

* removed elixir formatter and coverall settings file

* added support for using precompiled binaries

* updated workflows

Author: cocoa-xu

.formatter.exs

@@ -15,7 +15,6 @@ jobs:
   precompile:
     runs-on: ubuntu-20.04
     env:
-      MIX_ENV: prod
       TFLITE_BEAM_PREFER_PRECOMPILED: NO
 
     strategy:
@@ -71,7 +70,6 @@ jobs:
       - uses: erlef/setup-beam@v1
         with:
           otp-version: "25.3"
-          elixir-version: "1.14.3"
 
       - name: Install system dependecies
         run: |
@@ -91,7 +89,7 @@ jobs:
             export TFLITE_BEAM_CORAL_LIBEDGETPU_LIBRARIES="${{ matrix.pair.libedgetpu_library }}"
           fi
 
-          export TFLITE_BEAM_PREFER_PRECOMPILED="NO"
+          export TFLITE_BEAM_PREFER_PRECOMPILED="false"
 
           echo "CMAKE_TOOLCHAIN_FILE: ${CMAKE_TOOLCHAIN_FILE}"
           echo "TFLITE_BEAM_CORAL_LIBEDGETPU_LIBRARIES: ${TFLITE_BEAM_CORAL_LIBEDGETPU_LIBRARIES}"
@@ -102,11 +100,11 @@ jobs:
           echo "TARGET_OS: ${TARGET_OS}"
           echo "TARGET_ABI: ${TARGET_ABI}"
 
-          mix deps.get
-          mix compile
+          rebar3 deps
+          rebar3 compile
           export PKG_NAME=tflite_beam-nif-${NIF_VERSION}-${{ matrix.pair.arch_name }}-${{ matrix.pair.target_os }}-${{ matrix.pair.target_abi }}-${GITHUB_REF##*/}
           mkdir -p "${PKG_NAME}"
-          cp -a _build/${MIX_ENV}/lib/tflite_beam/priv "${PKG_NAME}"
+          cp -a ./priv "${PKG_NAME}"
           tar -czf "${PKG_NAME}.tar.gz" "${PKG_NAME}"
           rm -rf "${PKG_NAME}"
           ls -lah "${PKG_NAME}.tar.gz"

.github/workflows/linux-precompile.yml

@@ -29,21 +29,19 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  mix_test:
+  rebar3_compile:
     runs-on: ubuntu-20.04
     env:
-      MIX_ENV: test
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      TFLITE_BEAM_CORAL_SUPPORT: "YES"
-      TFLITE_BEAM_PREFER_PRECOMPILED: NO
+      TFLITE_BEAM_CORAL_SUPPORT: "true"
+      TFLITE_BEAM_PREFER_PRECOMPILED: "false"
 
     steps:
       - uses: actions/checkout@v3
 
       - uses: erlef/setup-beam@v1
         with:
           otp-version: "25.3"
-          elixir-version: "1.14.3"
 
       - name: Install system dependecies
         run: |
@@ -52,5 +50,5 @@ jobs:
 
       - name: Compile and Test
         run: |
-          mix deps.get
-          mix coveralls.github
+          rebar3 deps
+          rebar3 compile

.github/workflows/linux-x86_64.yml

@@ -15,8 +15,7 @@ jobs:
   precompile:
     runs-on: macos-11
     env:
-      MIX_ENV: prod
-      TFLITE_BEAM_PREFER_PRECOMPILED: "NO"
+      TFLITE_BEAM_PREFER_PRECOMPILED: "false"
 
     strategy:
       fail-fast: false
@@ -37,9 +36,13 @@ jobs:
           brew install elixir erlang autoconf automake
           mix local.hex --force
           mix local.rebar --force
+          wget https://s3.amazonaws.com/rebar3/rebar3 && chmod +x rebar3
+          ./rebar3 local install
 
       - name: Create precompiled library
         run: |
+          export PATH="~/.cache/rebar3/bin:$PATH"
+
           export NIF_VERSION="$(erl -noshell -s init stop -eval "io:format('~ts', [erlang:system_info(nif_version)]).")"
           if [ "${{ matrix.pair.arch }}" = "aarch64" ]; then
             export TARGET_ARCH="${{ matrix.pair.arch }}"
@@ -55,11 +58,11 @@ jobs:
           echo "TARGET_OS: ${TARGET_OS}"
           echo "TARGET_ABI: ${TARGET_ABI}"
 
-          mix deps.get
-          mix compile
+          rebar3 deps
+          rebar3 compile
           export PKG_NAME=tflite_beam-nif-${NIF_VERSION}-${{ matrix.pair.arch }}-apple-darwin-${GITHUB_REF##*/}
           mkdir -p "${PKG_NAME}"
-          cp -a _build/${MIX_ENV}/lib/tflite_beam/priv "${PKG_NAME}"
+          cp -a ./priv "${PKG_NAME}"
           tar -czf "${PKG_NAME}.tar.gz" "${PKG_NAME}"
           rm -rf "${PKG_NAME}"
           mkdir -p artifacts

.github/workflows/macos-precompile.yml

@@ -27,25 +27,27 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  mix_test:
+  rebar3_compile:
     runs-on: macos-11
     env:
-      MIX_ENV: test
-      TFLITE_BEAM_CORAL_SUPPORT: "YES"
-      TFLITE_BEAM_PREFER_PRECOMPILED: NO
+      TFLITE_BEAM_CORAL_SUPPORT: "true"
+      TFLITE_BEAM_PREFER_PRECOMPILED: "false"
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Install Erlang and Elixir
         run: |
           brew install erlang
           brew install elixir
           mix local.hex --force
           mix local.rebar --force
+          wget https://s3.amazonaws.com/rebar3/rebar3 && chmod +x rebar3
+          ./rebar3 local install
           brew install autoconf automake
 
-      - name: Compile and Test
+      - name: Compile
         run: |
-          mix deps.get
-          mix test
+          export PATH="~/.cache/rebar3/bin:$PATH"
+          rebar3 deps
+          rebar3 compile

.github/workflows/macos-x86_64.yml

@@ -32,3 +32,4 @@ tflite_beam-*.tar
 # The directory rebar3 will write compiled artifacts to.
 priv/
 cmake_tflite_beam/
+tflite_beam_precompiled.beam