fix issue #453
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parent
672b6df474
commit
4f26548e3a
@ -241,27 +241,42 @@ endif ()
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# ----------------------------------------------------------------------------
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# determine Sphinx version
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# some quick experiments by @ploxiln
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# - sphinx 1.7 and later have the version output format like "sphinx-build 1.7.2"
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# - sphinx 1.2 through 1.6 have the version output format like "Sphinx (sphinx-build) 1.2.2"
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# - sphinx 1.1 and before do not have a "--version" flag, but it causes the help output like "-h" does which includes version like "Sphinx v1.0.2"
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if (Sphinx-build_EXECUTABLE)
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# intentionally use invalid -h option here as the help that is shown then
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# will include the Sphinx version information
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if (Sphinx_PYTHON_EXECUTABLE)
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execute_process (
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COMMAND "${Sphinx_PYTHON_EXECUTABLE}" ${Sphinx_PYTHON_OPTIONS} "${Sphinx-build_EXECUTABLE}" -h
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COMMAND "${Sphinx_PYTHON_EXECUTABLE}" ${Sphinx_PYTHON_OPTIONS} "${Sphinx-build_EXECUTABLE}" --version
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OUTPUT_VARIABLE _Sphinx_VERSION
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ERROR_VARIABLE _Sphinx_VERSION
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)
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elseif (UNIX)
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execute_process (
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COMMAND "${Sphinx-build_EXECUTABLE}" -h
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COMMAND "${Sphinx-build_EXECUTABLE}" --version
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OUTPUT_VARIABLE _Sphinx_VERSION
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ERROR_VARIABLE _Sphinx_VERSION
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)
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endif ()
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# The sphinx version can also contain a "b" instead of the last dot.
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# For example "Sphinx v1.2b1" so we cannot just split on "."
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if (_Sphinx_VERSION MATCHES "Sphinx v([0-9]+\\.[0-9]+(\\.|b)[0-9]+)")
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# For example "Sphinx v1.2b1" or "Sphinx 1.7.0b2" so we cannot just split on "."
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if (_Sphinx_VERSION MATCHES "sphinx-build ([0-9]+\\.[0-9]+(\\.|a?|b?)([0-9]*)(b?)([0-9]*))")
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set (Sphinx_VERSION_STRING "${CMAKE_MATCH_1}")
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set (_SPHINX_VERSION_FOUND)
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elseif (_Sphinx_VERSION MATCHES "Sphinx v([0-9]+\\.[0-9]+(\\.|b?)([0-9]*)(b?)([0-9]*))")
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set (Sphinx_VERSION_STRING "${CMAKE_MATCH_1}")
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set (_SPHINX_VERSION_FOUND)
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elseif (_Sphinx_VERSION MATCHES "Sphinx \\(sphinx-build\\) ([0-9]+\\.[0-9]+(\\.|a?|b?)([0-9]*)(b?)([0-9]*))")
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set (Sphinx_VERSION_STRING "${CMAKE_MATCH_1}")
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set (_SPHINX_VERSION_FOUND)
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endif ()
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endif ()
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if(_SPHINX_VERSION_FOUND)
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string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.|b)[0-9]+" "\\1" Sphinx_VERSION_MAJOR ${Sphinx_VERSION_STRING})
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string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.|b)[0-9]+" "\\1" Sphinx_VERSION_MINOR ${Sphinx_VERSION_STRING})
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string(REGEX REPLACE "[0-9]+\\.[0-9]+(\\.|b)([0-9]+)" "\\1" Sphinx_VERSION_PATCH ${Sphinx_VERSION_STRING})
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@ -270,7 +285,6 @@ if (Sphinx-build_EXECUTABLE)
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if (Sphinx_VERSION_PATCH EQUAL 0)
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string (REGEX REPLACE "\\.0$" "" Sphinx_VERSION_STRING "${Sphinx_VERSION_STRING}")
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endif ()
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endif()
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endif ()
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# ----------------------------------------------------------------------------
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