Merge pull request #100 from lebarsfa/master

Solve doxygen problem on Windows

.github/workflows/vcmatrix.yml

@@ -56,7 +56,7 @@ jobs:
       if: runner.os=='Windows'
     - run: choco install -y -r --no-progress eigen --version=3.4.0 ${{ matrix.cfg.choco_flags }}
       if: runner.os=='Windows'
-    - run: choco install -y -r --no-progress doxygen.install --version=1.9.6 & choco install -y -r --no-progress graphviz & pip install --upgrade wheel setuptools sphinx breathe sphinx-issues sphinx-tabs sphinx_rtd_theme sphinx-reredirects
+    - run: wget https://packages.ensta-bretagne.fr/choco/doxygen.install.1.9.6.nupkg --no-check-certificate -nv & choco upgrade -y -r --no-progress -s . doxygen.install --version=1.9.6 & del /f /q doxygen.install.1.9.6.nupkg & choco install -y -r --no-progress graphviz & pip install --upgrade wheel setuptools sphinx breathe sphinx-issues sphinx-tabs sphinx_rtd_theme sphinx-reredirects
       if: runner.os=='Windows'
     - run: |
         wget https://github.com/lebarsfa/ibex-lib/releases/download/ibex-2.8.9.20231007/ibex.2.8.9.20231007.nupkg --no-check-certificate -nv

doc/CMakeLists.txt

@@ -10,15 +10,21 @@ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/mathjax_stmaryrd.js
 # Technical API documentation (Doxygen)
 
   if(WITH_PYTHON)
-
-    find_package(Doxygen)
+    
+    find_package(Doxygen 1.0.0...1.9.6)
 
     if(NOT DOXYGEN_FOUND)
 
       message(STATUS "Doxygen not found, not able to generate/install the API documentation.")
 
     else()
 
+      if(NOT DOXYGEN_DIR)
+        message(STATUS "Doxygen ${DOXYGEN_VERSION} found.")
+      else()
+        message(STATUS "Doxygen ${DOXYGEN_VERSION} found in ${DOXYGEN_DIR}.")
+      endif()
+
       # Includes CMake commands in config file:
       configure_file(api/Doxyfile.in api/Doxyfile)