ci pip: enable documentation with python-lxml

Author: nim65s

.github/workflows/macos-linux-pip.yml

@@ -26,9 +26,11 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
+      - if: matrix.os == 'ubuntu'
+        run: sudo apt update && sudo apt install -qqy doxygen graphviz
       - run: python -m pip install -U pip
-      - run: python -m pip install cmeel-assimp cmeel-octomap cmeel-qhull eigenpy[build]
+      - run: python -m pip install cmeel-assimp cmeel-octomap cmeel-qhull eigenpy[build] lxml pylatexenc
       - run: echo "CMAKE_PREFIX_PATH=$(cmeel cmake)" >> $GITHUB_ENV
-      - run: cmake -B build -S . -DHPP_FCL_HAS_QHULL=ON
+      - run: cmake -B build -S . -DHPP_FCL_HAS_QHULL=ON -DINSTALL_DOCUMENTATION=ON
       - run: cmake --build build -j 4
       - run: cmake --build build -t test