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From 084c6dd6352077e64f10cf7aa168f95d800f3819 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Mon, 9 Nov 2020 10:24:35 -0800
Subject: [PATCH] CPython: Don't use ldconfig

---
 Lib/ctypes/util.py | 77 ++--------------------------------------------
 1 file changed, 2 insertions(+), 75 deletions(-)

diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
index 0c2510e..7fb98af 100644
--- a/Lib/ctypes/util.py
+++ b/Lib/ctypes/util.py
@@ -268,34 +222,7 @@ elif os.name == "posix":
     else:
 
         def _findSoname_ldconfig(name):
-            import struct
-            if struct.calcsize('l') == 4:
-                machine = os.uname().machine + '-32'
-            else:
-                machine = os.uname().machine + '-64'
-            mach_map = {
-                'x86_64-64': 'libc6,x86-64',
-                'ppc64-64': 'libc6,64bit',
-                'sparc64-64': 'libc6,64bit',
-                's390x-64': 'libc6,64bit',
-                'ia64-64': 'libc6,IA-64',
-                }
-            abi_type = mach_map.get(machine, 'libc6')
-
-            # XXX assuming GLIBC's ldconfig (with option -p)
-            regex = r'\s+(lib%s\.[^\s]+)\s+\(%s'
-            regex = os.fsencode(regex % (re.escape(name), abi_type))
-            try:
-                with subprocess.Popen(['/sbin/ldconfig', '-p'],
-                                      stdin=subprocess.DEVNULL,
-                                      stderr=subprocess.DEVNULL,
-                                      stdout=subprocess.PIPE,
-                                      env={'LC_ALL': 'C', 'LANG': 'C'}) as p:
-                    res = re.search(regex, p.stdout.read())
-                    if res:
-                        return os.fsdecode(res.group(1))
-            except OSError:
-                pass
+            return None
 
         def _findLib_ld(name):
             # See issue #9998 for why this is needed
-- 
2.28.0