message: Update src/cmake/modules/GUDHI_doxygen_target.cmake
diff: @@ -44,6 +44,7 @@ if(DOXYGEN_FOUND)
  set(GUDHI_DOXYGEN_UTILS_PATH "utilities/*")
  endif()
  + message("++ Doxygen version ${DOXYGEN_VERSION}")
  if (DOXYGEN_VERSION VERSION_LESS 1.9.2)
  set(GUDHI_DOXYGEN_MATHJAX_VERSION "MATHJAX_VERSION = MathJax_2")
  set(GUDHI_DOXYGEN_MATHJAX_EXTENSIONS "TeX/AMSmath TeX/AMSsymbols")
  