forked from mirrors/nixpkgs
108 lines
3.9 KiB
Diff
108 lines
3.9 KiB
Diff
From 5330b6af9f832af59aa5c61d9ef6971053a8e709 Mon Sep 17 00:00:00 2001
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From: Jonathan Ringer <jonringer117@gmail.com>
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Date: Mon, 9 Nov 2020 10:24:35 -0800
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Subject: [PATCH] CPython: Don't use ldconfig
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---
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Lib/ctypes/util.py | 77 ++--------------------------------------------
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1 file changed, 2 insertions(+), 75 deletions(-)
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diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
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index 0c2510e161..7fb98af308 100644
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--- a/Lib/ctypes/util.py
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+++ b/Lib/ctypes/util.py
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@@ -100,53 +100,7 @@ def _is_elf(filename):
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return thefile.read(4) == elf_header
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def _findLib_gcc(name):
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- # Run GCC's linker with the -t (aka --trace) option and examine the
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- # library name it prints out. The GCC command will fail because we
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- # haven't supplied a proper program with main(), but that does not
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- # matter.
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- expr = os.fsencode(r'[^\(\)\s]*lib%s\.[^\(\)\s]*' % re.escape(name))
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-
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- c_compiler = shutil.which('gcc')
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- if not c_compiler:
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- c_compiler = shutil.which('cc')
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- if not c_compiler:
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- # No C compiler available, give up
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- return None
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-
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- temp = tempfile.NamedTemporaryFile()
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- try:
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- args = [c_compiler, '-Wl,-t', '-o', temp.name, '-l' + name]
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-
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- env = dict(os.environ)
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- env['LC_ALL'] = 'C'
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- env['LANG'] = 'C'
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- try:
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- proc = subprocess.Popen(args,
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- stdout=subprocess.PIPE,
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- stderr=subprocess.STDOUT,
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- env=env)
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- except OSError: # E.g. bad executable
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- return None
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- with proc:
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- trace = proc.stdout.read()
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- finally:
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- try:
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- temp.close()
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- except FileNotFoundError:
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- # Raised if the file was already removed, which is the normal
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- # behaviour of GCC if linking fails
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- pass
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- res = re.findall(expr, trace)
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- if not res:
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- return None
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-
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- for file in res:
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- # Check if the given file is an elf file: gcc can report
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- # some files that are linker scripts and not actual
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- # shared objects. See bpo-41976 for more details
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- if not _is_elf(file):
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- continue
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- return os.fsdecode(file)
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+ return None
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if sys.platform == "sunos5":
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@@ -268,34 +222,7 @@ def find_library(name, is64 = False):
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else:
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def _findSoname_ldconfig(name):
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- import struct
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- if struct.calcsize('l') == 4:
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- machine = os.uname().machine + '-32'
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- else:
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- machine = os.uname().machine + '-64'
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- mach_map = {
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- 'x86_64-64': 'libc6,x86-64',
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- 'ppc64-64': 'libc6,64bit',
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- 'sparc64-64': 'libc6,64bit',
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- 's390x-64': 'libc6,64bit',
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- 'ia64-64': 'libc6,IA-64',
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- }
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- abi_type = mach_map.get(machine, 'libc6')
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-
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- # XXX assuming GLIBC's ldconfig (with option -p)
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- regex = r'\s+(lib%s\.[^\s]+)\s+\(%s'
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- regex = os.fsencode(regex % (re.escape(name), abi_type))
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- try:
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- with subprocess.Popen(['/sbin/ldconfig', '-p'],
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- stdin=subprocess.DEVNULL,
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- stderr=subprocess.DEVNULL,
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- stdout=subprocess.PIPE,
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- env={'LC_ALL': 'C', 'LANG': 'C'}) as p:
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- res = re.search(regex, p.stdout.read())
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- if res:
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- return os.fsdecode(res.group(1))
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- except OSError:
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- pass
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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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--
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2.33.1
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