babeltrace(1): print value with colors
[babeltrace.git] / m4 / check_sphinx.m4
1 # check_sphinx.m4 -- check for Sphinx Python package
2 #
3 # Copyright (C) 2015 - Philippe Proulx <pproulx@efficios.com>
4 #
5 # This file is free software; the Free Software Foundation gives
6 # unlimited permission to copy and/or distribute it, with or without
7 # modifications, as long as this notice is preserved.
8
9 # Sphinx ships with a script named "sphinx-build", which is usually
10 # installed in "/usr/bin". Unfortunately, this script uses
11 # "/usr/bin/python" as its interpreter. Since "/usr/bin/python" can
12 # be either Python 2 or Python 3, depending on the distribution, and
13 # since we absolutely need the Python 3 Sphinx package for Babeltrace
14 # because it needs to import our bindings for autodocumentation,
15 # there's no way to tell if "sphinx-build" is actually using Python 2
16 # or Python 3.
17 #
18 # This macro checks if the Sphinx package ("sphinx") is installed
19 # and visible from the interpreter designated by the PYTHON variable.
20 # It sets PYTHON_SPHINX_EXISTS to "yes" if Sphinx is found for the
21 # given Python interpreter, otherwise "no".
22
23 # AM_CHECK_PYTHON_SPHINX(PYTHON)
24 # ---------------------------------------------------------------------------
25 AC_DEFUN([AM_CHECK_PYTHON_SPHINX],
26 [prog="
27 try:
28 import sphinx
29 print('yes')
30 except ImportError:
31 print('no')"
32 PYTHON_SPHINX_EXISTS=`${$1} -c "$prog"`])
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