Detect Python packages directory on configure
[babeltrace.git] / m4 / python_modules.m4
1 # python_modules.m4 -- Get the Python modules install path
2 #
3 # Copyright (C) 2014 - Jérémie Galarneau <jeremie.galarneau@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 # While extra Python modules are generaly installed in the Python
10 # interpreter's "site-packages" directory, Debian prefers using the
11 # "dist-packages" nomenclature. This macro uses the interpreter
12 # designated by the PYTHON variable to check the interpreter's PATH
13 # and sets the PYTHON_MODULES_PATH by taking the prefix into account.
14
15 # AM_PATH_PYTHON_MODULES(PYTHON)
16 # ---------------------------------------------------------------------------
17 AC_DEFUN([AM_PATH_PYTHON_MODULES],
18 [prog="import sys
19 for path in sys.path:
20 if path.endswith(\"-packages\"):
21 print(path[[path.find(\"/lib\"):]])
22 break"
23 PYTHON_MODULES_PATH=`${$1} -c "$prog"`])
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