github: Add Github Action to generate Doxygen

Add a Doxygen Github Action and the requisite Doxygen
config file to generate Doxygen documentation.  Documentation
is only generated for the "main" branch and is available here:

	https://seccomp.github.io/libseccomp/

Signed-off-by: Tom Hromatka <[email protected]>

.github/workflows/doxygen.yml

@@ -0,0 +1,38 @@
+#
+# Doxygen Workflow for libseccomp
+#
+# Copyright (c) 2022 Oracle and/or its affiliates.
+# Author: Tom Hromatka <[email protected]>
+#
+
+name: "Doxygen"
+on: ["push"]
+
+jobs:
+ doxygen:
+ name: Doxygen
+ # Only run Doxygen against the main branch
+ if: github.ref_name == 'main'
+ runs-on: ubuntu-latest
+
+ steps:
+ - uses: actions/checkout@v2
+ with:
+ submodules: false
+ - name: Initialize libseccomp
+ uses: ./.github/actions/setup
+ - name: Build libseccomp
+ run: |
+ ./configure
+ make check-build
+ - uses: mattnotmitt/doxygen-action@v1
+ with:
+ working-directory: "./"
+ doxyfile-path: "./doc/Doxygen"
+ - name: Deploy Doxygen
+ uses: peaceiris/actions-gh-pages@v3
+ with:
+ github_token: ${{ secrets.GITHUB_TOKEN }}
+ publish_dir: ./html
+ publish_branch: html
+ destination_dir: doxygen/${{ github.ref_name }}

.gitignore

@@ -30,3 +30,5 @@ tags
 /stamp-h1
 /cov-int
 /libseccomp-coverity_*.tar.gz
+/html/
+/latex/