nixpkgs/pkgs/development/interpreters/python/cpython/3.12/no-ldconfig.patch
Audrey Dutcher 66d41e75e8 python{39,310,311,312,313}: Allow using cc to resolve dynamic libraries
This patch hasn't been complete since an alternate case was added to
cpython which allows using ld(1) to resolve libraries. In addition to
this, the stated reason for the patch, to improve startup times by
preventing cpython from invoking gcc to resolve libuuid, has not been an
issue since that logic was removed in cpython 3.9. Finally, this patch
creates a disparity between Linux and other operating systems (I am
working on FreeBSD right now) since the ld(1) case is system gated.

Since it no longer accomplishes its stated purpose, is no longer needed,
and creates platform disparities, we should remove it.

I've left the half of this patch which prevents /sbin/ldconfig from
being invoked, since no nix-compiled program should ever be invoking
absolute paths like this.
2024-07-20 23:56:42 -07:00

53 lines
1.9 KiB
Diff

From 5330b6af9f832af59aa5c61d9ef6971053a8e709 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 0c2510e161..7fb98af308 100644
--- a/Lib/ctypes/util.py
+++ b/Lib/ctypes/util.py
@@ -268,34 +222,7 @@ def find_library(name, is64 = False):
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
--
2.33.1