python{39,310,311,312,313}: Allow using cc to resolve dynamic libraries (#328943)
This commit is contained in:
@@ -11,61 +11,6 @@ diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
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index 0c2510e..7fb98af 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 @@ elif os.name == "posix":
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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 @@ elif os.name == "posix":
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else:
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@@ -11,61 +11,6 @@ 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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@@ -11,61 +11,6 @@ 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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@@ -11,61 +11,6 @@ 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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@@ -11,61 +11,6 @@ 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 @@ elif os.name == "posix":
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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 @@ elif os.name == "posix":
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else:
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