python3: fix find_library with musl (via Alpine)

This commit is contained in:
Alessio Sergi 2016-11-17 16:52:52 +01:00
parent 93305fd847
commit a28fd5497d
2 changed files with 45 additions and 1 deletions

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@ -0,0 +1,44 @@
--- Lib/ctypes/util.py.orig
+++ Lib/ctypes/util.py
@@ -204,6 +204,41 @@
def find_library(name, is64 = False):
return _get_soname(_findLib_crle(name, is64) or _findLib_gcc(name))
+ elif True:
+
+ # Patched for Alpine Linux / musl - search manually system paths
+ def _is_elf(filepath):
+ try:
+ with open(filepath, 'rb') as fh:
+ return fh.read(4) == b'\x7fELF'
+ except:
+ return False
+
+ def find_library(name):
+ from glob import glob
+ # absolute name?
+ if os.path.isabs(name):
+ return name
+ # special case for libm, libcrypt and libpthread and musl
+ if name in ['m', 'crypt', 'pthread']:
+ name = 'c'
+ elif name in ['libm.so', 'libcrypt.so', 'libpthread.so']:
+ name = 'libc.so'
+ # search in standard locations (musl order)
+ paths = ['/lib', '/usr/local/lib', '/usr/lib']
+ if 'LD_LIBRARY_PATH' in os.environ:
+ paths = os.environ['LD_LIBRARY_PATH'].split(':') + paths
+ for d in paths:
+ f = os.path.join(d, name)
+ if _is_elf(f):
+ return os.path.basename(f)
+
+ prefix = os.path.join(d, 'lib'+name)
+ for suffix in ['.so', '.so.*']:
+ for f in glob('{0}{1}'.format(prefix, suffix)):
+ if _is_elf(f):
+ return os.path.basename(f)
+
else:
def _findSoname_ldconfig(name):

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@ -1,7 +1,7 @@
# Template file for 'python3'
pkgname=python3
version=3.5.2
revision=2
revision=3
wrksrc="Python-${version}"
short_desc="Interpreted, interactive, object-oriented programming language (${version%.*} series)"
maintainer="Juan RP <xtraeme@voidlinux.eu>"