Action to deploy documentation to gh-pages

.github/workflows/deploy_docs.yml

@@ -0,0 +1,35 @@
+
+name: Deploy documentation
+on:
+  # Every push onto the main branch regerenates the documentation
+  push:
+    branches:
+      - 'master'
+
+jobs:
+
+  do-deploy:
+    runs-on: ubuntu-latest
+    name: 'Build documentation on Linux'
+    steps:
+
+    - uses: actions/checkout@v2
+
+    - name: Install dependencies
+      run: |
+        sudo apt update -qq
+        sudo apt install -y make autoconf python3-sphinx
+
+    - name: Make Documentation
+      run: |
+        cd Documentation
+        make html
+
+    - name: Deploy to GitHub Pages
+      uses: crazy-max/ghaction-github-pages@v2
+      with:
+        target_branch: gh-pages
+        build_dir: Documentation/_build/html
+        jekyll: false
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Documentation/.gitignore

@@ -1 +1,2 @@
 _build/
+!Makefile

Documentation/Makefile

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+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line.
+SPHINXOPTS    =
+SPHINXBUILD   = sphinx-build
+SPHINXPROJ    = IcarusVerilog
+SOURCEDIR     = .
+BUILDDIR      = _build
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+.PHONY: help Makefile
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)