ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/external/subpack/lang/python/python3/patches/024-musl-find_library.patch b/external/subpack/lang/python/python3/patches/024-musl-find_library.patch
new file mode 100644
index 0000000..f986a7a
--- /dev/null
+++ b/external/subpack/lang/python/python3/patches/024-musl-find_library.patch
@@ -0,0 +1,74 @@
+https://bugs.python.org/issue21622
+
+Based on the patch from Alpine Linux
+https://git.alpinelinux.org/aports/tree/main/python2/musl-find_library.patch
+
+--- a/Lib/ctypes/util.py
++++ b/Lib/ctypes/util.py
+@@ -92,6 +92,8 @@ elif sys.platform.startswith("aix"):
+ elif os.name == "posix":
+ # Andreas Degert's find functions, using gcc, /sbin/ldconfig, objdump
+ import re, tempfile
++ from glob import glob
++ musl_ldso = glob('/lib/ld-musl-*.so.1')
+
+ def _is_elf(filename):
+ "Return True if the given file is an ELF file"
+@@ -265,6 +267,57 @@ elif os.name == "posix":
+ def find_library(name, is64 = False):
+ return _get_soname(_findLib_crle(name, is64) or _findLib_gcc(name))
+
++ elif musl_ldso and os.path.isfile(musl_ldso[0]):
++
++ def _is_elf(filepath):
++ try:
++ with open(filepath, 'rb') as fh:
++ return fh.read(4) == b'\x7fELF'
++ except:
++ return False
++
++ def find_library(name):
++ # absolute name?
++ if os.path.isabs(name):
++ if _is_elf(name):
++ return name
++ else:
++ return None
++
++ # special case for unified standard libs
++ stdlibs = ['libcrypt.so', 'libdl.so', 'libm.so', 'libpthread.so', 'libresolv.so', 'librt.so', 'libutil.so', 'libxnet.so']
++ if name in stdlibs:
++ name = 'libc.so'
++ elif ('lib' + name + '.so') in stdlibs:
++ name = 'c'
++
++ paths = []
++ # read path list from /etc/ld-musl-$(ARCH).path
++ path_list = musl_ldso[0].replace('/lib/', '/etc/').replace('.so.1', '.path')
++ try:
++ with open(path_list, 'r') as fh:
++ paths = [path for line in fh for path in line.rstrip('\n').split(':') if path]
++ except:
++ paths = []
++ # default path list if /etc/ld-musl-$(ARCH).path is empty or does not exist
++ if not paths:
++ paths = ['/lib', '/usr/local/lib', '/usr/lib']
++
++ # prepend paths from LD_LIBRARY_PATH
++ 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):