CI

.github/workflows/emscripten.yml

@@ -0,0 +1,23 @@
+name: REBOUND (emscripten)
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    name: Compiling with emscripten
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download and install emscripten
+        run: |
+          git clone https://github.com/emscripten-core/emsdk.git
+          emsdk/emsdk install latest
+          emsdk/emsdk activate latest
+      - name: Compile all C examples (OPENGL=1)
+        run: |
+          bash docs/c_examples/compile_emcc.bash 1
+      - name: Compile all C examples (OPENGL=0)
+        run: |
+          bash docs/c_examples/compile_emcc.bash 0

docs/c_examples/compile_emcc.bash

@@ -1,18 +1,28 @@
 #!/bin/bash
 
 source emsdk/emsdk_env.sh
+READTHEDOCS_OUTPUT="${READTHEDOCS_OUTPUT:-.}"
+OPENGL="${1:-1}"
+
+echo "Compiling C examples with emscripten."
+echo "Output dir: $READTHEDOCS_OUTPUT"
+echo "OPENGL: $OPENGL"
+echo ""
 
-for dir in examples/*
+for dir in examples/*/
 do
-    echo $dir
+    echo "Working on $dir ..."
     opengl_enabled=$(cat $dir/Makefile | grep -c "export OPENGL=1")
     mpi_enabled=$(cat $dir/Makefile | grep -c "export MPI=1")
-    if [ $opengl_enabled -eq 1 ] && [ $mpi_enabled -eq 0 ]; then
-        echo "Creating dir... "
-        echo $READTHEDOCS_OUTPUT/html/emscripten_c_$dir/
+    if [ $opengl_enabled -eq $OPENGL ] && [ $mpi_enabled -eq 0 ]; then
         mkdir -p $READTHEDOCS_OUTPUT/html/emscripten_c_$dir/
-        emcc -O3 -Isrc/ src/*.c $dir/problem.c -DOPENGL=1 -sSTACK_SIZE=655360 -s USE_GLFW=3 -s FULL_ES3=1 -sASYNCIFY --shell-file docs/c_examples/shell_rebound.html -o $READTHEDOCS_OUTPUT/html/emscripten_c_$dir/index.html
         echo "Compiling... "
+        if [ $OPENGL -eq 1 ]; then
+            emcc -O3 -Isrc/ src/*.c $dir/problem.c -DOPENGL=1 -sSTACK_SIZE=655360 -s USE_GLFW=3 -s FULL_ES3=1 -sASYNCIFY --shell-file docs/c_examples/shell_rebound.html -o $READTHEDOCS_OUTPUT/html/emscripten_c_$dir/index.html || exit 1
+        else
+            emcc -O3 -Isrc/ src/*.c $dir/problem.c -sSTACK_SIZE=655360 -sASYNCIFY -o $READTHEDOCS_OUTPUT/html/emscripten_c_$dir/index.html || exit 1
+        fi
+        echo "Done. "
     else
         echo "Skipping."
     fi