diff options
-rw-r--r-- | Doc/whatsnew/3.8.rst | 22 | ||||
-rw-r--r-- | Lib/_osx_support.py | 78 | ||||
-rw-r--r-- | Lib/ctypes/macholib/dyld.py | 12 | ||||
-rw-r--r-- | Lib/ctypes/test/test_macholib.py | 15 | ||||
-rw-r--r-- | Lib/distutils/tests/test_build_ext.py | 8 | ||||
-rw-r--r-- | Lib/distutils/unixccompiler.py | 2 | ||||
-rw-r--r-- | Lib/sysconfig.py | 12 | ||||
-rw-r--r-- | Lib/test/test_bytes.py | 1 | ||||
-rw-r--r-- | Lib/test/test_platform.py | 7 | ||||
-rw-r--r-- | Lib/test/test_unicode.py | 2 | ||||
-rwxr-xr-x | Mac/BuildScript/build-installer.py | 108 | ||||
-rw-r--r-- | Mac/BuildScript/resources/ReadMe.rtf | 12 | ||||
-rw-r--r-- | Mac/README.rst | 4 | ||||
-rw-r--r-- | Mac/Tools/pythonw.c | 12 | ||||
-rw-r--r-- | Misc/ACKS | 4 | ||||
-rw-r--r-- | Misc/NEWS.d/next/macOS/2021-04-10-17-01-18.bpo-41100.N9FhqU.rst | 9 | ||||
-rw-r--r-- | Modules/_ctypes/callbacks.c | 39 | ||||
-rw-r--r-- | Modules/_ctypes/callproc.c | 127 | ||||
-rw-r--r-- | Modules/_ctypes/ctypes.h | 8 | ||||
-rw-r--r-- | Modules/_ctypes/malloc_closure.c | 23 | ||||
-rw-r--r-- | Modules/_decimal/libmpdec/mpdecimal.h | 3 | ||||
-rw-r--r-- | Modules/getpath.c | 4 | ||||
-rwxr-xr-x | configure | 43 | ||||
-rw-r--r-- | configure.ac | 24 | ||||
-rw-r--r-- | pyconfig.h.in | 3 | ||||
-rw-r--r-- | setup.py | 122 |
26 files changed, 547 insertions, 157 deletions
diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst index d4a9ee7..6c30ac1 100644 --- a/Doc/whatsnew/3.8.rst +++ b/Doc/whatsnew/3.8.rst @@ -2273,3 +2273,25 @@ IPv4 address sent from the remote server when setting up a passive data channel. We reuse the ftp server IP address instead. For unusual code requiring the old behavior, set a ``trust_server_pasv_ipv4_address`` attribute on your FTP instance to ``True``. (See :issue:`43285`) + +Notable changes in Python 3.8.10 +================================ + +macOS 11.0 (Big Sur) and Apple Silicon Mac support +-------------------------------------------------- + +As of 3.8.10, Python now supports building and running on macOS 11 +(Big Sur) and on Apple Silicon Macs (based on the ``ARM64`` architecture). +A new universal build variant, ``universal2``, is now available to natively +support both ``ARM64`` and ``Intel 64`` in one set of executables. +Note that support for "weaklinking", building binaries targeted for newer +versions of macOS that will also run correctly on older versions by +testing at runtime for missing features, is not included in this backport +from Python 3.9; to support a range of macOS versions, continue to target +for and build on the oldest version in the range. + +(Originally contributed by Ronald Oussoren and Lawrence D'Anna in :issue:`41100`, +with fixes by FX Coudert and Eli Rykoff, and backported to 3.8 by Maxime Bélanger +and Ned Deily) + + diff --git a/Lib/_osx_support.py b/Lib/_osx_support.py index e9efce7..9b127c2 100644 --- a/Lib/_osx_support.py +++ b/Lib/_osx_support.py @@ -52,7 +52,7 @@ def _find_executable(executable, path=None): return executable -def _read_output(commandstring): +def _read_output(commandstring, capture_stderr=False): """Output from successful command execution or None""" # Similar to os.popen(commandstring, "r").read(), # but without actually using os.popen because that @@ -67,7 +67,10 @@ def _read_output(commandstring): os.getpid(),), "w+b") with contextlib.closing(fp) as fp: - cmd = "%s 2>/dev/null >'%s'" % (commandstring, fp.name) + if capture_stderr: + cmd = "%s >'%s' 2>&1" % (commandstring, fp.name) + else: + cmd = "%s 2>/dev/null >'%s'" % (commandstring, fp.name) return fp.read().decode('utf-8').strip() if not os.system(cmd) else None @@ -110,6 +113,26 @@ def _get_system_version(): return _SYSTEM_VERSION +_SYSTEM_VERSION_TUPLE = None +def _get_system_version_tuple(): + """ + Return the macOS system version as a tuple + + The return value is safe to use to compare + two version numbers. + """ + global _SYSTEM_VERSION_TUPLE + if _SYSTEM_VERSION_TUPLE is None: + osx_version = _get_system_version() + if osx_version: + try: + _SYSTEM_VERSION_TUPLE = tuple(int(i) for i in osx_version.split('.')) + except ValueError: + _SYSTEM_VERSION_TUPLE = () + + return _SYSTEM_VERSION_TUPLE + + def _remove_original_values(_config_vars): """Remove original unmodified values for testing""" # This is needed for higher-level cross-platform tests of get_platform. @@ -125,6 +148,33 @@ def _save_modified_value(_config_vars, cv, newvalue): _config_vars[_INITPRE + cv] = oldvalue _config_vars[cv] = newvalue + +_cache_default_sysroot = None +def _default_sysroot(cc): + """ Returns the root of the default SDK for this system, or '/' """ + global _cache_default_sysroot + + if _cache_default_sysroot is not None: + return _cache_default_sysroot + + contents = _read_output('%s -c -E -v - </dev/null' % (cc,), True) + in_incdirs = False + for line in contents.splitlines(): + if line.startswith("#include <...>"): + in_incdirs = True + elif line.startswith("End of search list"): + in_incdirs = False + elif in_incdirs: + line = line.strip() + if line == '/usr/include': + _cache_default_sysroot = '/' + elif line.endswith(".sdk/usr/include"): + _cache_default_sysroot = line[:-12] + if _cache_default_sysroot is None: + _cache_default_sysroot = '/' + + return _cache_default_sysroot + def _supports_universal_builds(): """Returns True if universal builds are supported on this system""" # As an approximation, we assume that if we are running on 10.4 or above, @@ -132,14 +182,18 @@ def _supports_universal_builds(): # builds, in particular -isysroot and -arch arguments to the compiler. This # is in support of allowing 10.4 universal builds to run on 10.3.x systems. - osx_version = _get_system_version() - if osx_version: - try: - osx_version = tuple(int(i) for i in osx_version.split('.')) - except ValueError: - osx_version = '' + osx_version = _get_system_version_tuple() return bool(osx_version >= (10, 4)) if osx_version else False +def _supports_arm64_builds(): + """Returns True if arm64 builds are supported on this system""" + # There are two sets of systems supporting macOS/arm64 builds: + # 1. macOS 11 and later, unconditionally + # 2. macOS 10.15 with Xcode 12.2 or later + # For now the second category is ignored. + osx_version = _get_system_version_tuple() + return osx_version >= (11, 0) if osx_version else False + def _find_appropriate_compiler(_config_vars): """Find appropriate C compiler for extension module builds""" @@ -331,6 +385,12 @@ def compiler_fixup(compiler_so, cc_args): except ValueError: break + elif not _supports_arm64_builds(): + # Look for "-arch arm64" and drop that + for idx in reversed(range(len(compiler_so))): + if compiler_so[idx] == '-arch' and compiler_so[idx+1] == "arm64": + del compiler_so[idx:idx+2] + if 'ARCHFLAGS' in os.environ and not stripArch: # User specified different -arch flags in the environ, # see also distutils.sysconfig @@ -481,6 +541,8 @@ def get_platform_osx(_config_vars, osname, release, machine): if len(archs) == 1: machine = archs[0] + elif archs == ('arm64', 'x86_64'): + machine = 'universal2' elif archs == ('i386', 'ppc'): machine = 'fat' elif archs == ('i386', 'x86_64'): diff --git a/Lib/ctypes/macholib/dyld.py b/Lib/ctypes/macholib/dyld.py index 9d86b05..1c3f8fd 100644 --- a/Lib/ctypes/macholib/dyld.py +++ b/Lib/ctypes/macholib/dyld.py @@ -6,6 +6,11 @@ import os from ctypes.macholib.framework import framework_info from ctypes.macholib.dylib import dylib_info from itertools import * +try: + from _ctypes import _dyld_shared_cache_contains_path +except ImportError: + def _dyld_shared_cache_contains_path(*args): + raise NotImplementedError __all__ = [ 'dyld_find', 'framework_find', @@ -122,8 +127,15 @@ def dyld_find(name, executable_path=None, env=None): dyld_executable_path_search(name, executable_path), dyld_default_search(name, env), ), env): + if os.path.isfile(path): return path + try: + if _dyld_shared_cache_contains_path(path): + return path + except NotImplementedError: + pass + raise ValueError("dylib %s could not be found" % (name,)) def framework_find(fn, executable_path=None, env=None): diff --git a/Lib/ctypes/test/test_macholib.py b/Lib/ctypes/test/test_macholib.py index 6b35269..a1bac26 100644 --- a/Lib/ctypes/test/test_macholib.py +++ b/Lib/ctypes/test/test_macholib.py @@ -45,19 +45,22 @@ def find_lib(name): class MachOTest(unittest.TestCase): @unittest.skipUnless(sys.platform == "darwin", 'OSX-specific test') def test_find(self): - - self.assertEqual(find_lib('pthread'), - '/usr/lib/libSystem.B.dylib') + # On Mac OS 11, system dylibs are only present in the shared cache, + # so symlinks like libpthread.dylib -> libSystem.B.dylib will not + # be resolved by dyld_find + self.assertIn(find_lib('pthread'), + ('/usr/lib/libSystem.B.dylib', '/usr/lib/libpthread.dylib')) result = find_lib('z') # Issue #21093: dyld default search path includes $HOME/lib and # /usr/local/lib before /usr/lib, which caused test failures if # a local copy of libz exists in one of them. Now ignore the head # of the path. - self.assertRegex(result, r".*/lib/libz\..*.*\.dylib") + self.assertRegex(result, r".*/lib/libz.*\.dylib") - self.assertEqual(find_lib('IOKit'), - '/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit') + self.assertIn(find_lib('IOKit'), + ('/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit', + '/System/Library/Frameworks/IOKit.framework/IOKit')) if __name__ == "__main__": unittest.main() diff --git a/Lib/distutils/tests/test_build_ext.py b/Lib/distutils/tests/test_build_ext.py index 5e47e07..808c0dc 100644 --- a/Lib/distutils/tests/test_build_ext.py +++ b/Lib/distutils/tests/test_build_ext.py @@ -492,12 +492,16 @@ class BuildExtTestCase(TempdirManager, # format the target value as defined in the Apple # Availability Macros. We can't use the macro names since # at least one value we test with will not exist yet. - if target[1] < 10: + if target[:2] < (10, 10): # for 10.1 through 10.9.x -> "10n0" target = '%02d%01d0' % target else: # for 10.10 and beyond -> "10nn00" - target = '%02d%02d00' % target + if len(target) >= 2: + target = '%02d%02d00' % target + else: + # 11 and later can have no minor version (11 instead of 11.0) + target = '%02d0000' % target deptarget_ext = Extension( 'deptarget', [deptarget_c], diff --git a/Lib/distutils/unixccompiler.py b/Lib/distutils/unixccompiler.py index 4d7a6de..f0792de 100644 --- a/Lib/distutils/unixccompiler.py +++ b/Lib/distutils/unixccompiler.py @@ -290,7 +290,7 @@ class UnixCCompiler(CCompiler): cflags = sysconfig.get_config_var('CFLAGS') m = re.search(r'-isysroot\s*(\S+)', cflags) if m is None: - sysroot = '/' + sysroot = _osx_support._default_sysroot(sysconfig.get_config_var('CC')) else: sysroot = m.group(1) diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py index 9caf158..3f702d7 100644 --- a/Lib/sysconfig.py +++ b/Lib/sysconfig.py @@ -18,6 +18,11 @@ __all__ = [ 'parse_config_h', ] +# Keys for get_config_var() that are never converted to Python integers. +_ALWAYS_STR = { + 'MACOSX_DEPLOYMENT_TARGET', +} + _INSTALL_SCHEMES = { 'posix_prefix': { 'stdlib': '{installed_base}/lib/python{py_version_short}', @@ -242,6 +247,9 @@ def _parse_makefile(filename, vars=None): notdone[n] = v else: try: + if n in _ALWAYS_STR: + raise ValueError + v = int(v) except ValueError: # insert literal `$' @@ -300,6 +308,8 @@ def _parse_makefile(filename, vars=None): notdone[name] = value else: try: + if name in _ALWAYS_STR: + raise ValueError value = int(value) except ValueError: done[name] = value.strip() @@ -461,6 +471,8 @@ def parse_config_h(fp, vars=None): if m: n, v = m.group(1, 2) try: + if n in _ALWAYS_STR: + raise ValueError v = int(v) except ValueError: pass diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py index c2ec120..e288c7e 100644 --- a/Lib/test/test_bytes.py +++ b/Lib/test/test_bytes.py @@ -963,6 +963,7 @@ class BytesTest(BaseBytesTest, unittest.TestCase): c_char_p) PyBytes_FromFormat = pythonapi.PyBytes_FromFormat + PyBytes_FromFormat.argtypes = (c_char_p,) PyBytes_FromFormat.restype = py_object # basic tests diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py index 3084663..4739e84 100644 --- a/Lib/test/test_platform.py +++ b/Lib/test/test_platform.py @@ -209,7 +209,10 @@ class PlatformTest(unittest.TestCase): # On Snow Leopard, sw_vers reports 10.6.0 as 10.6 if len_diff > 0: expect_list.extend(['0'] * len_diff) - self.assertEqual(result_list, expect_list) + # For compatibility with older binaries, macOS 11.x may report + # itself as '10.16' rather than '11.x.y'. + if result_list != ['10', '16']: + self.assertEqual(result_list, expect_list) # res[1] claims to contain # (version, dev_stage, non_release_version) @@ -217,7 +220,7 @@ class PlatformTest(unittest.TestCase): self.assertEqual(res[1], ('', '', '')) if sys.byteorder == 'little': - self.assertIn(res[2], ('i386', 'x86_64')) + self.assertIn(res[2], ('i386', 'x86_64', 'arm64')) else: self.assertEqual(res[2], 'PowerPC') diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py index 1d6aabd..d97180d 100644 --- a/Lib/test/test_unicode.py +++ b/Lib/test/test_unicode.py @@ -2454,11 +2454,13 @@ class CAPITest(unittest.TestCase): def test_from_format(self): support.import_module('ctypes') from ctypes import ( + c_char_p, pythonapi, py_object, sizeof, c_int, c_long, c_longlong, c_ssize_t, c_uint, c_ulong, c_ulonglong, c_size_t, c_void_p) name = "PyUnicode_FromFormat" _PyUnicode_FromFormat = getattr(pythonapi, name) + _PyUnicode_FromFormat.argtypes = (c_char_p,) _PyUnicode_FromFormat.restype = py_object def PyUnicode_FromFormat(format, *args): diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py index 8e1fdd8..b07def1 100755 --- a/Mac/BuildScript/build-installer.py +++ b/Mac/BuildScript/build-installer.py @@ -116,7 +116,8 @@ WORKDIR = "/tmp/_py" DEPSRC = os.path.join(WORKDIR, 'third-party') DEPSRC = os.path.expanduser('~/Universal/other-sources') -universal_opts_map = { '32-bit': ('i386', 'ppc',), +universal_opts_map = { 'universal2': ('arm64', 'x86_64'), + '32-bit': ('i386', 'ppc',), '64-bit': ('x86_64', 'ppc64',), 'intel': ('i386', 'x86_64'), 'intel-32': ('i386',), @@ -124,6 +125,7 @@ universal_opts_map = { '32-bit': ('i386', 'ppc',), '3-way': ('ppc', 'i386', 'x86_64'), 'all': ('i386', 'ppc', 'x86_64', 'ppc64',) } default_target_map = { + 'universal2': '10.9', '64-bit': '10.5', '3-way': '10.5', 'intel': '10.5', @@ -151,6 +153,9 @@ DEPTARGET = '10.5' def getDeptargetTuple(): return tuple([int(n) for n in DEPTARGET.split('.')[0:2]]) +def getBuildTuple(): + return tuple([int(n) for n in platform.mac_ver()[0].split('.')[0:2]]) + def getTargetCompilers(): target_cc_map = { '10.4': ('gcc-4.0', 'g++-4.0'), @@ -190,6 +195,34 @@ EXPECTED_SHARED_LIBS = {} def internalTk(): return getDeptargetTuple() >= (10, 6) +# Do we use 8.6.8 when building our own copy +# of Tcl/Tk or a modern version. +# We use the old version when buildin on +# old versions of macOS due to build issues. +def useOldTk(): + return getBuildTuple() < (10, 15) + + +def tweak_tcl_build(basedir, archList): + with open("Makefile", "r") as fp: + contents = fp.readlines() + + # For reasons I don't understand the tcl configure script + # decides that some stdlib symbols aren't present, before + # deciding that strtod is broken. + new_contents = [] + for line in contents: + if line.startswith("COMPAT_OBJS"): + # note: the space before strtod.o is intentional, + # the detection of a broken strtod results in + # "fixstrod.o" on this line. + for nm in ("strstr.o", "strtoul.o", " strtod.o"): + line = line.replace(nm, "") + new_contents.append(line) + + with open("Makefile", "w") as fp: + fp.writelines(new_contents) + # List of names of third party software built with this installer. # The names will be inserted into the rtf version of the License. THIRD_PARTY_LIBS = [] @@ -219,11 +252,26 @@ def library_recipes(): ]) if internalTk(): + if useOldTk(): + tcl_tk_ver='8.6.8' + tcl_checksum='81656d3367af032e0ae6157eff134f89' + + tk_checksum='5e0faecba458ee1386078fb228d008ba' + tk_patches = ['tk868_on_10_8_10_9.patch'] + + else: + tcl_tk_ver='8.6.11' + tcl_checksum='8a4c004f48984a03a7747e9ba06e4da4' + + tk_checksum='c7ee71a2d05bba78dfffd76528dc17c6' + tk_patches = [ ] + + result.extend([ dict( - name="Tcl 8.6.8", - url="ftp://ftp.tcl.tk/pub/tcl//tcl8_6/tcl8.6.8-src.tar.gz", - checksum='81656d3367af032e0ae6157eff134f89', + name="Tcl %s"%(tcl_tk_ver,), + url="ftp://ftp.tcl.tk/pub/tcl//tcl8_6/tcl%s-src.tar.gz"%(tcl_tk_ver,), + checksum=tcl_checksum, buildDir="unix", configure_pre=[ '--enable-shared', @@ -231,18 +279,17 @@ def library_recipes(): '--libdir=/Library/Frameworks/Python.framework/Versions/%s/lib'%(getVersion(),), ], useLDFlags=False, + buildrecipe=tweak_tcl_build, install='make TCL_LIBRARY=%(TCL_LIBRARY)s && make install TCL_LIBRARY=%(TCL_LIBRARY)s DESTDIR=%(DESTDIR)s'%{ "DESTDIR": shellQuote(os.path.join(WORKDIR, 'libraries')), "TCL_LIBRARY": shellQuote('/Library/Frameworks/Python.framework/Versions/%s/lib/tcl8.6'%(getVersion())), }, ), dict( - name="Tk 8.6.8", - url="ftp://ftp.tcl.tk/pub/tcl//tcl8_6/tk8.6.8-src.tar.gz", - checksum='5e0faecba458ee1386078fb228d008ba', - patches=[ - "tk868_on_10_8_10_9.patch", - ], + name="Tk %s"%(tcl_tk_ver,), + url="ftp://ftp.tcl.tk/pub/tcl//tcl8_6/tk%s-src.tar.gz"%(tcl_tk_ver,), + checksum=tk_checksum, + patches=tk_patches, buildDir="unix", configure_pre=[ '--enable-aqua', @@ -537,8 +584,8 @@ def checkEnvironment(): Check that we're running on a supported system. """ - if sys.version_info[0:2] < (2, 5): - fatal("This script must be run with Python 2.5 (or later)") + if sys.version_info[0:2] < (2, 7): + fatal("This script must be run with Python 2.7 (or later)") if platform.system() != 'Darwin': fatal("This script should be run on a macOS 10.5 (or later) system") @@ -606,9 +653,6 @@ def checkEnvironment(): base_path = base_path + ':' + OLD_DEVELOPER_TOOLS os.environ['PATH'] = base_path print("Setting default PATH: %s"%(os.environ['PATH'])) - # Ensure we have access to sphinx-build. - # You may have to create a link in /usr/bin for it. - runCommand('sphinx-build --version') def parseOptions(args=None): """ @@ -801,6 +845,7 @@ def build_universal_openssl(basedir, archList): arch_opts = { "i386": ["darwin-i386-cc"], "x86_64": ["darwin64-x86_64-cc", "enable-ec_nistp_64_gcc_128"], + "arm64": ["darwin64-arm64-cc"], "ppc": ["darwin-ppc-cc"], "ppc64": ["darwin64-ppc-cc"], } @@ -1566,8 +1611,39 @@ def buildDMG(): if os.path.exists(outdir): shutil.rmtree(outdir) + # We used to use the deployment target as the last characters of the + # installer file name. With the introduction of weaklinked installer + # variants, we may have two variants with the same file name, i.e. + # both ending in '10.9'. To avoid this, we now use the major/minor + # version numbers of the macOS version we are building on. + # Also, as of macOS 11, operating system version numbering has + # changed from three components to two, i.e. + # 10.14.1, 10.14.2, ... + # 10.15.1, 10.15.2, ... + # 11.1, 11.2, ... + # 12.1, 12.2, ... + # (A further twist is that, when running on macOS 11, binaries built + # on older systems may be shown an operating system version of 10.16 + # instead of 11. We should not run into that situation here.) + # Also we should use "macos" instead of "macosx" going forward. + # + # To maintain compability for legacy variants, the file name for + # builds on macOS 10.15 and earlier remains: + # python-3.x.y-macosx10.z.{dmg->pkg} + # e.g. python-3.9.4-macosx10.9.{dmg->pkg} + # and for builds on macOS 11+: + # python-3.x.y-macosz.{dmg->pkg} + # e.g. python-3.9.4-macos11.{dmg->pkg} + + build_tuple = getBuildTuple() + if build_tuple[0] < 11: + os_name = 'macosx' + build_system_version = '%s.%s' % build_tuple + else: + os_name = 'macos' + build_system_version = str(build_tuple[0]) imagepath = os.path.join(outdir, - 'python-%s-macosx%s'%(getFullVersion(),DEPTARGET)) + 'python-%s-%s%s'%(getFullVersion(),os_name,build_system_version)) if INCLUDE_TIMESTAMP: imagepath = imagepath + '-%04d-%02d-%02d'%(time.localtime()[:3]) imagepath = imagepath + '.dmg' diff --git a/Mac/BuildScript/resources/ReadMe.rtf b/Mac/BuildScript/resources/ReadMe.rtf index b070506..cc08304 100644 --- a/Mac/BuildScript/resources/ReadMe.rtf +++ b/Mac/BuildScript/resources/ReadMe.rtf @@ -1,4 +1,4 @@ -{\rtf1\ansi\ansicpg1252\cocoartf2513 +{\rtf1\ansi\ansicpg1252\cocoartf2580 \cocoatextscaling0\cocoaplatform0{\fonttbl\f0\fswiss\fcharset0 Helvetica;\f1\fswiss\fcharset0 Helvetica-Bold;\f2\fmodern\fcharset0 CourierNewPSMT; \f3\fswiss\fcharset0 Helvetica-Oblique;} {\colortbl;\red255\green255\blue255;} @@ -10,16 +10,12 @@ \ \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0 -\f1\b \cf0 \ul \ulc0 macOS 11 Big Sur not fully supported\ +\f1\b \cf0 \ul \ulc0 macOS 11 (Big Sur) and Apple Silicon Mac support [new in 3.8.10]\ \f0\b0 \ulnone \ -Python 3.8.7 is not yet fully supported on macOS 11 Big Sur. It will install on macOS 11 Big Sur and will run on Apple Silicon Macs using Rosetta 2 translation. But a few features do not work correctly, most noticeably those involving searching for system libraries such as -\f2 ctypes.util.find_library() -\f0 and in -\f2 Distutils -\f0 . Python 3.9.1 or later provides full support for Big Sur and Apple Silicon Macs, including building natively on Apple Silicon Macs and support for +As of Python 3.8.10, Python is now supported on macOS 11 Big Sur. The binaries included in this installer install on macOS releases from macOS 10.9 through macOS 11 Big Sur and will run on Apple Silicon Macs using Rosetta 2 translation. Starting with Python 3.9.1, we provide a new \f2 universal2 -\f0 binaries\ +\f0 installer variant which includes binaries that run natively on both Apple Silicon Macs and Intel-based Macs. \ \ \f1\b \ul Certificate verification and OpenSSL\ diff --git a/Mac/README.rst b/Mac/README.rst index ec7d873..f63a424 100644 --- a/Mac/README.rst +++ b/Mac/README.rst @@ -120,6 +120,8 @@ support ppc (Xcode 4 on 10.6 and later systems). The flavor can be specified using the configure option ``--with-universal-archs=VALUE``. The following values are available: + * ``universal2``: ``arm64``, ``x86_64`` + * ``intel``: ``i386``, ``x86_64`` * ``intel-32``: ``i386`` @@ -155,6 +157,8 @@ following combinations of SDKs and universal-archs flavors are available: * 10.15 and later SDKs support ``intel-64`` only + * 11.0 and later SDKs support ``universal2`` + The makefile for a framework build will also install ``python3.x-32`` binaries when the universal architecture includes at least one 32-bit architecture (that is, for all flavors but ``64-bit`` and ``intel-64``). diff --git a/Mac/Tools/pythonw.c b/Mac/Tools/pythonw.c index c8bd3ba..78813e8 100644 --- a/Mac/Tools/pythonw.c +++ b/Mac/Tools/pythonw.c @@ -95,9 +95,6 @@ setup_spawnattr(posix_spawnattr_t* spawnattr) size_t count; cpu_type_t cpu_types[1]; short flags = 0; -#ifdef __LP64__ - int ch; -#endif if ((errno = posix_spawnattr_init(spawnattr)) != 0) { err(2, "posix_spawnattr_int"); @@ -119,10 +116,16 @@ setup_spawnattr(posix_spawnattr_t* spawnattr) #elif defined(__ppc__) cpu_types[0] = CPU_TYPE_POWERPC; + #elif defined(__i386__) cpu_types[0] = CPU_TYPE_X86; + +#elif defined(__arm64__) + cpu_types[0] = CPU_TYPE_ARM64; + #else # error "Unknown CPU" + #endif if (posix_spawnattr_setbinpref_np(spawnattr, count, @@ -220,7 +223,8 @@ main(int argc, char **argv) { /* We're weak-linking to posix-spawnv to ensure that * an executable build on 10.5 can work on 10.4. */ - if (posix_spawn != NULL) { + + if (&posix_spawn != NULL) { posix_spawnattr_t spawnattr = NULL; setup_spawnattr(&spawnattr); @@ -133,6 +133,7 @@ Michał Bednarski Ian Beer Stefan Behnel Reimer Behrends +Maxime Bélanger Ben Bell Thomas Bellman Alexander “Саша” Belopolsky @@ -344,6 +345,7 @@ Mircea Cosbuc David Costanzo Scott Cotton Greg Couch +FX Coudert David Cournapeau Julien Courteau Steve Cousins @@ -377,6 +379,7 @@ Lars Damerow Evan Dandrea Eric Daniel Scott David Daniels +Lawrence D'Anna Ben Darnell Kushal Das Jonathan Dasteel @@ -1457,6 +1460,7 @@ Mark Russell Rusty Russell Nick Russo James Rutherford +Eli Rykoff Chris Ryland Bernt Røskar Brenna Constantina S. diff --git a/Misc/NEWS.d/next/macOS/2021-04-10-17-01-18.bpo-41100.N9FhqU.rst b/Misc/NEWS.d/next/macOS/2021-04-10-17-01-18.bpo-41100.N9FhqU.rst new file mode 100644 index 0000000..e087df9 --- /dev/null +++ b/Misc/NEWS.d/next/macOS/2021-04-10-17-01-18.bpo-41100.N9FhqU.rst @@ -0,0 +1,9 @@ +As of 3.8.10, Python now supports building and running on macOS 11 +(Big Sur) and on Apple Silicon Macs (based on the ``ARM64`` architecture). +A new universal build variant, ``universal2``, is also available to natively +support both ``ARM64`` and ``Intel 64`` in one set of executables. +This backport from Python 3.9 does not include support for "weaklinking"; +to support a range of macOS versions, continue to target +for and build on the oldest version in the range; for 3.8.x, the +``universal2`` variant is only useful on macOS 11 or later. + diff --git a/Modules/_ctypes/callbacks.c b/Modules/_ctypes/callbacks.c index 2a364d6..b826ee3 100644 --- a/Modules/_ctypes/callbacks.c +++ b/Modules/_ctypes/callbacks.c @@ -1,6 +1,8 @@ #include "Python.h" #include "frameobject.h" +#include <stdbool.h> + #include <ffi.h> #ifdef MS_WIN32 #include <windows.h> @@ -18,7 +20,7 @@ CThunkObject_dealloc(PyObject *myself) Py_XDECREF(self->callable); Py_XDECREF(self->restype); if (self->pcl_write) - ffi_closure_free(self->pcl_write); + Py_ffi_closure_free(self->pcl_write); PyObject_GC_Del(self); } @@ -361,8 +363,7 @@ CThunkObject *_ctypes_alloc_callback(PyObject *callable, assert(CThunk_CheckExact((PyObject *)p)); - p->pcl_write = ffi_closure_alloc(sizeof(ffi_closure), - &p->pcl_exec); + p->pcl_write = Py_ffi_closure_alloc(sizeof(ffi_closure), &p->pcl_exec); if (p->pcl_write == NULL) { PyErr_NoMemory(); goto error; @@ -408,13 +409,35 @@ CThunkObject *_ctypes_alloc_callback(PyObject *callable, "ffi_prep_cif failed with %d", result); goto error; } -#if defined(X86_DARWIN) || defined(POWERPC_DARWIN) - result = ffi_prep_closure(p->pcl_write, &p->cif, closure_fcn, p); +#if HAVE_FFI_PREP_CLOSURE_LOC +# if USING_APPLE_OS_LIBFFI +# define HAVE_FFI_PREP_CLOSURE_LOC_RUNTIME __builtin_available(macos 10.15, ios 13, watchos 6, tvos 13, *) +# else +# define HAVE_FFI_PREP_CLOSURE_LOC_RUNTIME 1 +# endif + if (HAVE_FFI_PREP_CLOSURE_LOC_RUNTIME) { + result = ffi_prep_closure_loc(p->pcl_write, &p->cif, closure_fcn, + p, + p->pcl_exec); + } else +#endif + { +#if USING_APPLE_OS_LIBFFI && defined(__arm64__) + PyErr_Format(PyExc_NotImplementedError, "ffi_prep_closure_loc() is missing"); + goto error; #else - result = ffi_prep_closure_loc(p->pcl_write, &p->cif, closure_fcn, - p, - p->pcl_exec); +#ifdef MACOSX + #pragma clang diagnostic push + #pragma clang diagnostic ignored "-Wdeprecated-declarations" #endif + result = ffi_prep_closure(p->pcl_write, &p->cif, closure_fcn, p); + +#ifdef MACOSX + #pragma clang diagnostic pop +#endif + +#endif + } if (result != FFI_OK) { PyErr_Format(PyExc_RuntimeError, "ffi_prep_closure failed with %d", result); diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c index de75918..e326cd8 100644 --- a/Modules/_ctypes/callproc.c +++ b/Modules/_ctypes/callproc.c @@ -57,6 +57,8 @@ #include "Python.h" #include "structmember.h" +#include <stdbool.h> + #ifdef MS_WIN32 #include <windows.h> #include <tchar.h> @@ -64,6 +66,10 @@ #include "ctypes_dlfcn.h" #endif +#ifdef __APPLE__ +#include <mach-o/dyld.h> +#endif + #ifdef MS_WIN32 #include <malloc.h> #endif @@ -800,7 +806,8 @@ static int _call_function_pointer(int flags, ffi_type **atypes, ffi_type *restype, void *resmem, - int argcount) + int argcount, + int argtypecount) { PyThreadState *_save = NULL; /* For Py_BLOCK_THREADS and Py_UNBLOCK_THREADS */ PyObject *error_object = NULL; @@ -823,14 +830,70 @@ static int _call_function_pointer(int flags, if ((flags & FUNCFLAG_CDECL) == 0) cc = FFI_STDCALL; #endif - if (FFI_OK != ffi_prep_cif(&cif, - cc, - argcount, - restype, - atypes)) { - PyErr_SetString(PyExc_RuntimeError, - "ffi_prep_cif failed"); - return -1; + +# if USING_APPLE_OS_LIBFFI +# define HAVE_FFI_PREP_CIF_VAR_RUNTIME __builtin_available(macos 10.15, ios 13, watchos 6, tvos 13, *) +# elif HAVE_FFI_PREP_CIF_VAR +# define HAVE_FFI_PREP_CIF_VAR_RUNTIME true +# else +# define HAVE_FFI_PREP_CIF_VAR_RUNTIME false +# endif + + /* Even on Apple-arm64 the calling convention for variadic functions conincides + * with the standard calling convention in the case that the function called + * only with its fixed arguments. Thus, we do not need a special flag to be + * set on variadic functions. We treat a function as variadic if it is called + * with a nonzero number of variadic arguments */ + bool is_variadic = (argtypecount != 0 && argcount > argtypecount); + (void) is_variadic; + +#if defined(__APPLE__) && defined(__arm64__) + if (is_variadic) { + if (HAVE_FFI_PREP_CIF_VAR_RUNTIME) { + } else { + PyErr_SetString(PyExc_NotImplementedError, "ffi_prep_cif_var() is missing"); + return -1; + } + } +#endif + +#if HAVE_FFI_PREP_CIF_VAR + if (is_variadic) { + if (HAVE_FFI_PREP_CIF_VAR_RUNTIME) { + if (FFI_OK != ffi_prep_cif_var(&cif, + cc, + argtypecount, + argcount, + restype, + atypes)) { + PyErr_SetString(PyExc_RuntimeError, + "ffi_prep_cif_var failed"); + return -1; + } + } else { + if (FFI_OK != ffi_prep_cif(&cif, + cc, + argcount, + restype, + atypes)) { + PyErr_SetString(PyExc_RuntimeError, + "ffi_prep_cif failed"); + return -1; + } + } + } else +#endif + + { + if (FFI_OK != ffi_prep_cif(&cif, + cc, + argcount, + restype, + atypes)) { + PyErr_SetString(PyExc_RuntimeError, + "ffi_prep_cif failed"); + return -1; + } } if (flags & (FUNCFLAG_USE_ERRNO | FUNCFLAG_USE_LASTERROR)) { @@ -1200,9 +1263,8 @@ PyObject *_ctypes_callproc(PPROC pProc, if (-1 == _call_function_pointer(flags, pProc, avalues, atypes, rtype, resbuf, - Py_SAFE_DOWNCAST(argcount, - Py_ssize_t, - int))) + Py_SAFE_DOWNCAST(argcount, Py_ssize_t, int), + Py_SAFE_DOWNCAST(argtype_count, Py_ssize_t, int))) goto cleanup; #ifdef WORDS_BIGENDIAN @@ -1386,6 +1448,42 @@ copy_com_pointer(PyObject *self, PyObject *args) } #else +#ifdef HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH +static PyObject *py_dyld_shared_cache_contains_path(PyObject *self, PyObject *args) +{ + PyObject *name, *name2; + char *name_str; + + if (__builtin_available(macOS 11.0, iOS 14.0, tvOS 14.0, watchOS 7.0, *)) { + int r; + + if (!PyArg_ParseTuple(args, "O", &name)) + return NULL; + + if (name == Py_None) + Py_RETURN_FALSE; + + if (PyUnicode_FSConverter(name, &name2) == 0) + return NULL; + name_str = PyBytes_AS_STRING(name2); + + r = _dyld_shared_cache_contains_path(name_str); + Py_DECREF(name2); + + if (r) { + Py_RETURN_TRUE; + } else { + Py_RETURN_FALSE; + } + + } else { + PyErr_SetString(PyExc_NotImplementedError, "_dyld_shared_cache_contains_path symbol is missing"); + return NULL; + } + + } +#endif + static PyObject *py_dl_open(PyObject *self, PyObject *args) { PyObject *name, *name2; @@ -1876,6 +1974,8 @@ buffer_info(PyObject *self, PyObject *arg) return Py_BuildValue("siN", dict->format, dict->ndim, shape); } + + PyMethodDef _ctypes_module_methods[] = { {"get_errno", get_errno, METH_NOARGS}, {"set_errno", set_errno, METH_VARARGS}, @@ -1898,6 +1998,9 @@ PyMethodDef _ctypes_module_methods[] = { {"dlclose", py_dl_close, METH_VARARGS, "dlclose a library"}, {"dlsym", py_dl_sym, METH_VARARGS, "find symbol in shared library"}, #endif +#ifdef HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH + {"_dyld_shared_cache_contains_path", py_dyld_shared_cache_contains_path, METH_VARARGS, "check if path is in the shared cache"}, +#endif {"alignment", align_func, METH_O, alignment_doc}, {"sizeof", sizeof_func, METH_O, sizeof_doc}, {"byref", byref, METH_VARARGS, byref_doc}, diff --git a/Modules/_ctypes/ctypes.h b/Modules/_ctypes/ctypes.h index e58f852..0bed85e 100644 --- a/Modules/_ctypes/ctypes.h +++ b/Modules/_ctypes/ctypes.h @@ -366,6 +366,14 @@ PyObject *_ctypes_get_errobj(int **pspace); extern PyObject *ComError; #endif +#if USING_MALLOC_CLOSURE_DOT_C +void Py_ffi_closure_free(void *p); +void *Py_ffi_closure_alloc(size_t size, void** codeloc); +#else +#define Py_ffi_closure_free ffi_closure_free +#define Py_ffi_closure_alloc ffi_closure_alloc +#endif + /* Local Variables: compile-command: "python setup.py -q build install --home ~" diff --git a/Modules/_ctypes/malloc_closure.c b/Modules/_ctypes/malloc_closure.c index f9cdb33..788bae6 100644 --- a/Modules/_ctypes/malloc_closure.c +++ b/Modules/_ctypes/malloc_closure.c @@ -89,16 +89,35 @@ static void more_core(void) /******************************************************************/ /* put the item back into the free list */ -void ffi_closure_free(void *p) +void Py_ffi_closure_free(void *p) { +#if HAVE_FFI_CLOSURE_ALLOC +#if USING_APPLE_OS_LIBFFI + if (__builtin_available(macos 10.15, ios 13, watchos 6, tvos 13, *)) { +#endif + ffi_closure_free(p); + return; +#if USING_APPLE_OS_LIBFFI + } +#endif +#endif ITEM *item = (ITEM *)p; item->next = free_list; free_list = item; } /* return one item from the free list, allocating more if needed */ -void *ffi_closure_alloc(size_t ignored, void** codeloc) +void *Py_ffi_closure_alloc(size_t size, void** codeloc) { +#if HAVE_FFI_CLOSURE_ALLOC +#if USING_APPLE_OS_LIBFFI + if (__builtin_available(macos 10.15, ios 13, watchos 6, tvos 13, *)) { +#endif + return ffi_closure_alloc(size, codeloc); +#if USING_APPLE_OS_LIBFFI + } +#endif +#endif ITEM *item; if (!free_list) more_core(); diff --git a/Modules/_decimal/libmpdec/mpdecimal.h b/Modules/_decimal/libmpdec/mpdecimal.h index a67dd9b..3e9c818 100644 --- a/Modules/_decimal/libmpdec/mpdecimal.h +++ b/Modules/_decimal/libmpdec/mpdecimal.h @@ -135,6 +135,9 @@ const char *mpd_version(void); #elif defined(__x86_64__) #define CONFIG_64 #define ASM + #elif defined(__arm64__) + #define CONFIG_64 + #define ANSI #else #error "unknown architecture for universal build." #endif diff --git a/Modules/getpath.c b/Modules/getpath.c index b727f66..63815c5 100644 --- a/Modules/getpath.c +++ b/Modules/getpath.c @@ -777,11 +777,7 @@ calculate_program_full_path(PyCalculatePath *calculate, _PyPathConfig *pathconfi #ifdef __APPLE__ char execpath[MAXPATHLEN + 1]; -#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 uint32_t nsexeclength = Py_ARRAY_LENGTH(execpath) - 1; -#else - unsigned long nsexeclength = Py_ARRAY_LENGTH(execpath) - 1; -#endif #endif /* If there is no slash in the argv0 path, then we have to @@ -1492,7 +1492,7 @@ Optional Packages: --with-universal-archs=ARCH select architectures for universal build ("32-bit", "64-bit", "3-way", "intel", "intel-32", "intel-64", - or "all") + "universal2", or "all") --with-framework-name=FRAMEWORK specify an alternate name of the framework built with --enable-framework @@ -6905,7 +6905,7 @@ fi -# The -arch flags for universal builds on OSX +# The -arch flags for universal builds on macOS UNIVERSAL_ARCH_FLAGS= @@ -7391,6 +7391,11 @@ $as_echo "$CC" >&6; } LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386" ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc" ;; + universal2) + UNIVERSAL_ARCH_FLAGS="-arch arm64 -arch x86_64" + LIPO_32BIT_FLAGS="" + ARCH_RUN_32BIT="true" + ;; intel) UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64" LIPO_32BIT_FLAGS="-extract i386" @@ -7412,7 +7417,7 @@ $as_echo "$CC" >&6; } ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc" ;; *) - as_fn_error $? "proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" "$LINENO" 5 + as_fn_error $? "proper usage is --with-universal-arch=universal2|32-bit|64-bit|all|intel|3-way" "$LINENO" 5 ;; esac @@ -9266,7 +9271,7 @@ fi MACOSX_DEFAULT_ARCH="ppc" ;; *) - as_fn_error $? "Unexpected output of 'arch' on OSX" "$LINENO" 5 + as_fn_error $? "Unexpected output of 'arch' on macOS" "$LINENO" 5 ;; esac else @@ -9276,9 +9281,12 @@ fi ;; ppc) MACOSX_DEFAULT_ARCH="ppc64" + ;; + arm64) + MACOSX_DEFAULT_ARCH="arm64" ;; *) - as_fn_error $? "Unexpected output of 'arch' on OSX" "$LINENO" 5 + as_fn_error $? "Unexpected output of 'arch' on macOS" "$LINENO" 5 ;; esac @@ -11837,6 +11845,31 @@ $as_echo "no" >&6; } fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _dyld_shared_cache_contains_path" >&5 +$as_echo_n "checking for _dyld_shared_cache_contains_path... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <mach-o/dyld.h> +int +main () +{ +void *x=_dyld_shared_cache_contains_path + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +$as_echo "#define HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: checking for memfd_create" >&5 $as_echo_n "checking for memfd_create... " >&6; } diff --git a/configure.ac b/configure.ac index 040ddfc..0182ecc 100644 --- a/configure.ac +++ b/configure.ac @@ -219,7 +219,7 @@ fi AC_SUBST(LIPO_32BIT_FLAGS) AC_MSG_CHECKING(for --with-universal-archs) AC_ARG_WITH(universal-archs, - AS_HELP_STRING([--with-universal-archs=ARCH], [select architectures for universal build ("32-bit", "64-bit", "3-way", "intel", "intel-32", "intel-64", or "all")]), + AS_HELP_STRING([--with-universal-archs=ARCH], [select architectures for universal build ("32-bit", "64-bit", "3-way", "intel", "intel-32", "intel-64", "universal2", or "all")]), [ UNIVERSAL_ARCHS="$withval" ], @@ -1569,7 +1569,7 @@ AC_SUBST(BASECFLAGS) AC_SUBST(CFLAGS_NODIST) AC_SUBST(LDFLAGS_NODIST) -# The -arch flags for universal builds on OSX +# The -arch flags for universal builds on macOS UNIVERSAL_ARCH_FLAGS= AC_SUBST(UNIVERSAL_ARCH_FLAGS) @@ -1850,6 +1850,11 @@ yes) LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386" ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc" ;; + universal2) + UNIVERSAL_ARCH_FLAGS="-arch arm64 -arch x86_64" + LIPO_32BIT_FLAGS="" + ARCH_RUN_32BIT="true" + ;; intel) UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64" LIPO_32BIT_FLAGS="-extract i386" @@ -1871,7 +1876,7 @@ yes) ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc" ;; *) - AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way]) + AC_MSG_ERROR([proper usage is --with-universal-arch=universal2|32-bit|64-bit|all|intel|3-way]) ;; esac @@ -2445,7 +2450,7 @@ case $ac_sys_system/$ac_sys_release in MACOSX_DEFAULT_ARCH="ppc" ;; *) - AC_MSG_ERROR([Unexpected output of 'arch' on OSX]) + AC_MSG_ERROR([Unexpected output of 'arch' on macOS]) ;; esac else @@ -2455,9 +2460,12 @@ case $ac_sys_system/$ac_sys_release in ;; ppc) MACOSX_DEFAULT_ARCH="ppc64" + ;; + arm64) + MACOSX_DEFAULT_ARCH="arm64" ;; *) - AC_MSG_ERROR([Unexpected output of 'arch' on OSX]) + AC_MSG_ERROR([Unexpected output of 'arch' on macOS]) ;; esac @@ -3680,6 +3688,12 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) ]) +AC_MSG_CHECKING(for _dyld_shared_cache_contains_path) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <mach-o/dyld.h>]], [[void *x=_dyld_shared_cache_contains_path]])], + [AC_DEFINE(HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH, 1, Define if you have the '_dyld_shared_cache_contains_path' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) AC_MSG_CHECKING(for memfd_create) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ diff --git a/pyconfig.h.in b/pyconfig.h.in index 4263a71..41cfe07 100644 --- a/pyconfig.h.in +++ b/pyconfig.h.in @@ -772,6 +772,9 @@ /* Define if you have the 'prlimit' functions. */ #undef HAVE_PRLIMIT +/* Define if you have the '_dyld_shared_cache_contains_path' function. */ +#undef HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH + /* Define to 1 if you have the <process.h> header file. */ #undef HAVE_PROCESS_H @@ -9,6 +9,7 @@ import re import sys import sysconfig from glob import glob, escape +import _osx_support from distutils import log from distutils.command.build_ext import build_ext @@ -150,31 +151,8 @@ def macosx_sdk_root(): if m is not None: MACOS_SDK_ROOT = m.group(1) else: - MACOS_SDK_ROOT = '/' - cc = sysconfig.get_config_var('CC') - tmpfile = '/tmp/setup_sdk_root.%d' % os.getpid() - try: - os.unlink(tmpfile) - except: - pass - ret = os.system('%s -E -v - </dev/null 2>%s 1>/dev/null' % (cc, tmpfile)) - in_incdirs = False - try: - if ret >> 8 == 0: - with open(tmpfile) as fp: - for line in fp.readlines(): - if line.startswith("#include <...>"): - in_incdirs = True - elif line.startswith("End of search list"): - in_incdirs = False - elif in_incdirs: - line = line.strip() - if line == '/usr/include': - MACOS_SDK_ROOT = '/' - elif line.endswith(".sdk/usr/include"): - MACOS_SDK_ROOT = line[:-12] - finally: - os.unlink(tmpfile) + MACOS_SDK_ROOT = _osx_support._default_sysroot( + sysconfig.get_config_var('CC')) return MACOS_SDK_ROOT @@ -188,6 +166,13 @@ def is_macosx_sdk_path(path): or path.startswith('/Library/') ) +def grep_headers_for(function, headers): + for header in headers: + with open(header, 'r', errors='surrogateescape') as f: + if function in f.read(): + return True + return False + def find_file(filename, std_dirs, paths): """Searches for the directory where a given file is located, and returns a possibly-empty list of additional directories, or None @@ -1956,43 +1941,17 @@ class PyBuildExt(build_ext): library_dirs=added_lib_dirs)) return True - def configure_ctypes_darwin(self, ext): - # Darwin (OS X) uses preconfigured files, in - # the Modules/_ctypes/libffi_osx directory. - ffi_srcdir = os.path.abspath(os.path.join(self.srcdir, 'Modules', - '_ctypes', 'libffi_osx')) - sources = [os.path.join(ffi_srcdir, p) - for p in ['ffi.c', - 'x86/darwin64.S', - 'x86/x86-darwin.S', - 'x86/x86-ffi_darwin.c', - 'x86/x86-ffi64.c', - 'powerpc/ppc-darwin.S', - 'powerpc/ppc-darwin_closure.S', - 'powerpc/ppc-ffi_darwin.c', - 'powerpc/ppc64-darwin_closure.S', - ]] - - # Add .S (preprocessed assembly) to C compiler source extensions. - self.compiler.src_extensions.append('.S') - - include_dirs = [os.path.join(ffi_srcdir, 'include'), - os.path.join(ffi_srcdir, 'powerpc')] - ext.include_dirs.extend(include_dirs) - ext.sources.extend(sources) - return True - def configure_ctypes(self, ext): - if not self.use_system_libffi: - if MACOS: - return self.configure_ctypes_darwin(ext) - print('INFO: Could not locate ffi libs and/or headers') - return False return True def detect_ctypes(self): # Thomas Heller's _ctypes module - self.use_system_libffi = False + + if (not sysconfig.get_config_var("LIBFFI_INCLUDEDIR") and MACOS): + self.use_system_libffi = True + else: + self.use_system_libffi = '--with-system-ffi' in sysconfig.get_config_var("CONFIG_ARGS") + include_dirs = [] extra_compile_args = [] extra_link_args = [] @@ -2005,11 +1964,9 @@ class PyBuildExt(build_ext): if MACOS: sources.append('_ctypes/malloc_closure.c') - sources.append('_ctypes/darwin/dlfcn_simple.c') + extra_compile_args.append('-DUSING_MALLOC_CLOSURE_DOT_C=1') extra_compile_args.append('-DMACOSX') include_dirs.append('_ctypes/darwin') - # XXX Is this still needed? - # extra_link_args.extend(['-read_only_relocs', 'warning']) elif HOST_PLATFORM == 'sunos5': # XXX This shouldn't be necessary; it appears that some @@ -2039,31 +1996,48 @@ class PyBuildExt(build_ext): sources=['_ctypes/_ctypes_test.c'], libraries=['m'])) + ffi_inc = sysconfig.get_config_var("LIBFFI_INCLUDEDIR") + ffi_lib = None + ffi_inc_dirs = self.inc_dirs.copy() if MACOS: - if '--with-system-ffi' not in sysconfig.get_config_var("CONFIG_ARGS"): - return - # OS X 10.5 comes with libffi.dylib; the include files are - # in /usr/include/ffi - ffi_inc_dirs.append('/usr/include/ffi') - - ffi_inc = [sysconfig.get_config_var("LIBFFI_INCLUDEDIR")] - if not ffi_inc or ffi_inc[0] == '': - ffi_inc = find_file('ffi.h', [], ffi_inc_dirs) - if ffi_inc is not None: - ffi_h = ffi_inc[0] + '/ffi.h' + ffi_in_sdk = os.path.join(macosx_sdk_root(), "usr/include/ffi") + + if not ffi_inc: + if os.path.exists(ffi_in_sdk): + ext.extra_compile_args.append("-DUSING_APPLE_OS_LIBFFI=1") + ffi_inc = ffi_in_sdk + ffi_lib = 'ffi' + else: + # OS X 10.5 comes with libffi.dylib; the include files are + # in /usr/include/ffi + ffi_inc_dirs.append('/usr/include/ffi') + + if not ffi_inc: + found = find_file('ffi.h', [], ffi_inc_dirs) + if found: + ffi_inc = found[0] + if ffi_inc: + ffi_h = ffi_inc + '/ffi.h' if not os.path.exists(ffi_h): ffi_inc = None print('Header file {} does not exist'.format(ffi_h)) - ffi_lib = None - if ffi_inc is not None: + if ffi_lib is None and ffi_inc: for lib_name in ('ffi', 'ffi_pic'): if (self.compiler.find_library_file(self.lib_dirs, lib_name)): ffi_lib = lib_name break if ffi_inc and ffi_lib: - ext.include_dirs.extend(ffi_inc) + ffi_headers = glob(os.path.join(ffi_inc, '*.h')) + if grep_headers_for('ffi_prep_cif_var', ffi_headers): + ext.extra_compile_args.append("-DHAVE_FFI_PREP_CIF_VAR=1") + if grep_headers_for('ffi_prep_closure_loc', ffi_headers): + ext.extra_compile_args.append("-DHAVE_FFI_PREP_CLOSURE_LOC=1") + if grep_headers_for('ffi_closure_alloc', ffi_headers): + ext.extra_compile_args.append("-DHAVE_FFI_CLOSURE_ALLOC=1") + + ext.include_dirs.append(ffi_inc) ext.libraries.append(ffi_lib) self.use_system_libffi = True |