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35 find_program(SPHINX_EXECUTABLE NAMES sphinx-build sphinx-build2
39 DOC "Sphinx documentation generator"
41 mark_as_advanced(SPHINX_EXECUTABLE)
43 # Detect Sphinx version
44 if (SPHINX_EXECUTABLE AND NOT DEFINED SPHINX_EXECUTABLE_VERSION)
46 COMMAND ${SPHINX_EXECUTABLE} --version
47 ERROR_VARIABLE SPHINX_VERSION_OUTPUT_VARIABLE
48 OUTPUT_VARIABLE SPHINX_VERSION_OUTPUT_VARIABLE
49 RESULT_VARIABLE SPHINX_VERSION_RESULT_VARIABLE
51 OUTPUT_STRIP_TRAILING_WHITESPACE
54 # Detect the sphinx version. First try to match the error message
55 # from old versions that didn't even support --version, then try
56 # to detect more modern sphinx versions. If nothing is found, then
57 # the cache variable is set to an empty value.
59 if(SPHINX_VERSION_OUTPUT_VARIABLE MATCHES "Sphinx v([0-9\.]+)\n.*")
60 set(_version ${CMAKE_MATCH_1})
61 elseif (SPHINX_VERSION_OUTPUT_VARIABLE MATCHES ".*build[ )]*(.*)")
62 set(_version ${CMAKE_MATCH_1})
65 set(SPHINX_EXECUTABLE_VERSION ${_version} CACHE INTERNAL "Version of ${SPHINX_EXECUTABLE}")
69 if (NOT Sphinx_pygments_FOUND)
70 # Check if pygments module is available via the Unix error code (ie. 0
72 execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c"
74 RESULT_VARIABLE _pygments_status
77 if (_pygments_status EQUAL 0)
78 set(Sphinx_pygments_FOUND TRUE CACHE BOOL "Whether pygments module is available for Sphinx")
82 include(FindPackageHandleStandardArgs)
84 find_package_handle_standard_args(Sphinx
85 REQUIRED_VARS SPHINX_EXECUTABLE
86 VERSION_VAR SPHINX_EXECUTABLE_VERSION