2 # This file is part of the GROMACS molecular simulation package.
4 # Copyright (c) 2015,2018,2019, by the GROMACS development team, led by
5 # Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
6 # and including many others, as listed in the AUTHORS file in the
7 # top-level source directory and at http://www.gromacs.org.
9 # GROMACS is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU Lesser General Public License
11 # as published by the Free Software Foundation; either version 2.1
12 # of the License, or (at your option) any later version.
14 # GROMACS is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 # Lesser General Public License for more details.
19 # You should have received a copy of the GNU Lesser General Public
20 # License along with GROMACS; if not, see
21 # http://www.gnu.org/licenses, or write to the Free Software Foundation,
22 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 # If you want to redistribute modifications to GROMACS, please
25 # consider that scientific software is very special. Version
26 # control is crucial - bugs must be traceable. We will be happy to
27 # consider code for inclusion in the official distribution, but
28 # derived work must not be called official GROMACS. Details are found
29 # in the README & COPYING files - if they are missing, get the
30 # official version at http://www.gromacs.org.
32 # To help us fund GROMACS development, we humbly ask that you cite
33 # the research papers on the package. Check out http://www.gromacs.org.
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 ${SPHINX_EXECUTABLE}")
68 set(_find_deps_options)
69 if (Sphinx_FIND_QUIETLY)
70 set(_find_deps_options ERROR_QUIET)
73 if (NOT Sphinx_pygments_FOUND)
74 # Check if pygments module is available via the Unix error code (ie. 0
76 execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c"
78 RESULT_VARIABLE _pygments_status
81 if (_pygments_status EQUAL 0)
82 set(Sphinx_pygments_FOUND TRUE CACHE BOOL "Whether pygments module is available for Sphinx")
86 include(FindPackageHandleStandardArgs)
88 find_package_handle_standard_args(Sphinx
89 REQUIRED_VARS SPHINX_EXECUTABLE
90 VERSION_VAR SPHINX_EXECUTABLE_VERSION