find_program(SPHINX_EXECUTABLE NAMES sphinx-build
   HINTS
   $ENV{SPHINX_DIR}
   PATH_SUFFIXES bin
   DOC "Sphinx documentation generator"
)

include(FindPackageHandleStandardArgs)

find_package_handle_standard_args(Sphinx DEFAULT_MSG
   SPHINX_EXECUTABLE
)

mark_as_advanced(
  SPHINX_EXECUTABLE
)