CI: Tests building Elixir & Demos

Signed-off-by: Peter M <petermm@gmail.com>

Author: petermm

.github/workflows/build-examples.yaml

@@ -10,32 +10,22 @@ on: ["push", "pull_request"]
 
 jobs:
   build_erlang_examples:
-    name: "Build Erlang Examples"
+    name: "Build Erlang/Elixir Examples"
     runs-on: ubuntu-latest
 
     strategy:
       fail-fast: true
 
     steps:
-
-    - uses: erlef/setup-beam@v1
-      with:
-        otp-version: "24"
-        elixir-version: "1.11"
-
-    - name: Checkout repo
-      uses: actions/checkout@v2
-
-    # - name: "APT update"
-    #   run: sudo apt update -y
-
-    - name: "Build rebar3"
-      run: |
-        cd /tmp
-        git clone https://github.com/erlang/rebar3.git
-        cd rebar3
-        ./bootstrap
-
-    - name: "Build Erlang Example Programs"
-      run: |
-        PATH=/tmp/rebar3:$PATH ./build.sh
+      - uses: erlef/setup-beam@v1
+        with:
+          otp-version: "26"
+          elixir-version: "1.18"
+          rebar3-version: "3.24.0"
+
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: "Build Erlang/Elixir Example Programs"
+        run: |
+          ./build.sh

.github/workflows/reuse-lint.yaml

@@ -14,6 +14,6 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - name: REUSE Compliance Check
-      uses: fsfe/reuse-action@v1
+      - uses: actions/checkout@v4
+      - name: REUSE Compliance Check
+        uses: fsfe/reuse-action@v1

build.sh

@@ -28,3 +28,25 @@ for i in ${ERLANG_EXAMPLES}; do
 	${REBAR} atomvm packbeam -l || exit 1
 	cd ..
 done
+cd ..
+cd elixir
+ELIXIR_EXAMPLES="$(/bin/ls | grep -v README.md)"
+for i in ${ELIXIR_EXAMPLES}; do
+	cd $i
+	rm -rf _build
+	mix deps.get && mix atomvm.packbeam || exit 1
+	cd ..
+done
+cd ..
+cd demos
+DEMO_EXAMPLES="$(/bin/ls | grep -v README.md)"
+for i in ${DEMO_EXAMPLES}; do
+	cd $i
+	rm -rf _build
+	if [ -f mix.exs ]; then
+		mix deps.get && mix atomvm.packbeam || exit 1
+	else
+		${REBAR} atomvm packbeam -l || exit 1
+	fi
+	cd ..
+done

elixir/LEDC_Example/mix.exs

@@ -23,6 +23,7 @@ defmodule LedcExample.MixProject do
 
   def project do
     [
+      app: :LedcExample,
       version: "0.1.0",
       elixir: "~> 1.13",
       start_permanent: Mix.env() == :prod,