pyrox.dev
1From 85991e0d7f0e631240f3f6233bd65d1128a66dec Mon Sep 17 00:00:00 2001
2From: Frederik Rietdijk <fridh@fridh.nl>
3Date: Thu, 14 Sep 2017 10:00:31 +0200
4Subject: [PATCH] ctypes.util: support LD_LIBRARY_PATH
5
6Backports support for LD_LIBRARY_PATH from 3.6
7---
8 Lib/ctypes/util.py | 26 +++++++++++++++++++++++++-
9 1 file changed, 25 insertions(+), 1 deletion(-)
10
11diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
12index 780cd5d21b..d7ac15070f 100644
13--- a/Lib/ctypes/util.py
14+++ b/Lib/ctypes/util.py
15@@ -181,8 +181,32 @@ elif os.name == "posix":
16 def _findSoname_ldconfig(name):
17 return None
18
19+ def _findLib_ld(name):
20+ # See issue #9998 for why this is needed
21+ expr = r'[^\(\)\s]*lib%s\.[^\(\)\s]*' % re.escape(name)
22+ cmd = ['ld', '-t']
23+ libpath = os.environ.get('LD_LIBRARY_PATH')
24+ if libpath:
25+ for d in libpath.split(':'):
26+ cmd.extend(['-L', d])
27+ cmd.extend(['-o', os.devnull, '-l%s' % name])
28+ result = None
29+ try:
30+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
31+ stderr=subprocess.PIPE,
32+ universal_newlines=True)
33+ out, _ = p.communicate()
34+ res = re.search(expr, os.fsdecode(out))
35+ if res:
36+ result = res.group(0)
37+ except Exception as e:
38+ pass # result will be None
39+ return result
40+
41 def find_library(name):
42- return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name))
43+ # See issue #9998
44+ return _findSoname_ldconfig(name) or \
45+ _get_soname(_findLib_gcc(name) or _findLib_ld(name))
46
47 ################################################################
48 # test code
49--
502.14.1
51