This commit is contained in:
AllenX2018 2019-10-10 16:16:10 +08:00
parent 672b6df474
commit 4f26548e3a

View File

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