Updated detection of pybind11_mkdoc being present

Author: themarpe

.github/workflows/main.yml

@@ -49,7 +49,6 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           sudo apt install libusb-1.0-0-dev
-          python -m pip install clang==14.0 --force-reinstall
           python -m pip install -r docs/requirements_mkdoc.txt
       - name: Configure project
         run: cmake -S . -B build -DDEPTHAI_PYTHON_FORCE_DOCSTRINGS=ON -DDEPTHAI_PYTHON_DOCSTRINGS_OUTPUT="$PWD/docstrings/depthai_python_docstring.hpp"

cmake/pybind11-mkdoc.cmake

@@ -28,7 +28,7 @@ function(pybind11_mkdoc_setup_internal target output_path mkdoc_headers enforce)
 
     # Execute module pybind11_mkdoc to check if present
     message(STATUS "Checking for pybind11_mkdoc")
-    execute_process(COMMAND ${PYTHON_EXECUTABLE} -m ${PYBIND11_MKDOC_MODULE_NAME} RESULT_VARIABLE error OUTPUT_QUIET ERROR_QUIET)
+    execute_process(COMMAND ${PYTHON_EXECUTABLE} -m ${PYBIND11_MKDOC_MODULE_NAME} --help RESULT_VARIABLE error OUTPUT_QUIET ERROR_QUIET)
     if(error)
         set(message "Checking for pybind11_mkdoc - not found, docstrings not available")
         if(NOT enforce)