51 lines
1.9 KiB
Diff
51 lines
1.9 KiB
Diff
From 918201682127ed8a270a4bd1a448b490019e4ada Mon Sep 17 00:00:00 2001
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From: Frederik Rietdijk <fridh@fridh.nl>
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Date: Thu, 14 Sep 2017 10:00:31 +0200
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Subject: [PATCH] ctypes.util: support LD_LIBRARY_PATH
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Backports support for LD_LIBRARY_PATH from 3.6
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---
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Lib/ctypes/util.py | 26 +++++++++++++++++++++++++-
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1 file changed, 25 insertions(+), 1 deletion(-)
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diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
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index e9957d7951..9926f6c881 100644
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--- a/Lib/ctypes/util.py
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+++ b/Lib/ctypes/util.py
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@@ -219,8 +219,32 @@ elif os.name == "posix":
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def _findSoname_ldconfig(name):
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return None
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+ def _findLib_ld(name):
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+ # See issue #9998 for why this is needed
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+ expr = r'[^\(\)\s]*lib%s\.[^\(\)\s]*' % re.escape(name)
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+ cmd = ['ld', '-t']
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+ libpath = os.environ.get('LD_LIBRARY_PATH')
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+ if libpath:
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+ for d in libpath.split(':'):
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+ cmd.extend(['-L', d])
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+ cmd.extend(['-o', os.devnull, '-l%s' % name])
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+ result = None
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+ try:
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+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
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+ stderr=subprocess.PIPE,
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+ universal_newlines=True)
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+ out, _ = p.communicate()
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+ res = re.search(expr, os.fsdecode(out))
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+ if res:
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+ result = res.group(0)
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+ except Exception as e:
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+ pass # result will be None
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+ return result
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+
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def find_library(name):
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- return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name))
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+ # See issue #9998
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+ return _findSoname_ldconfig(name) or \
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+ _get_soname(_findLib_gcc(name) or _findLib_ld(name))
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################################################################
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# test code
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--
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2.14.1
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