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# Autodetecting setup.py script for building the Python extensions
import argparse
import importlib._bootstrap
import importlib.machinery
import importlib.util
import os
import re
import sys
import sysconfig
from globimport glob
from distutilsimport log
from distutils.command.build_extimport build_ext
from distutils.command.build_scriptsimport build_scripts
from distutils.command.installimport install
from distutils.command.install_libimport install_lib
from distutils.coreimport Extension, setup
from distutils.errorsimport CCompilerError, DistutilsError
from distutils.spawnimport find_executable
# Compile extensions used to test Python?
TEST_EXTENSIONS=True
# This global variable is used to hold the list of modules to be disabled.
DISABLED_MODULE_LIST= []
defget_platform():
# Cross compiling
if"_PYTHON_HOST_PLATFORM"in os.environ:
return os.environ["_PYTHON_HOST_PLATFORM"]
# Get value of sys.platform
if sys.platform.startswith('osf1'):
return'osf1'
return sys.platform
CROSS_COMPILING= ("_PYTHON_HOST_PLATFORM"in os.environ)
HOST_PLATFORM= get_platform()
MS_WINDOWS= (HOST_PLATFORM=='win32')
CYGWIN= (HOST_PLATFORM=='cygwin')
MACOS= (HOST_PLATFORM=='darwin')
VXWORKS= ('vxworks'inHOST_PLATFORM)
SUMMARY="""
Python is an interpreted, interactive, object-oriented programming
language. It is often compared to Tcl, Perl, Scheme or Java.
Python combines remarkable power with very clear syntax. It has
modules, classes, exceptions, very high level dynamic data types, and
dynamic typing. There are interfaces to many system calls and
libraries, as well as to various windowing systems (X11, Motif, Tk,
Mac, MFC). New built-in modules are easily written in C or C++. Python
is also usable as an extension language for applications that need a
programmable interface.
The Python implementation is portable: it runs on many brands of UNIX,
on Windows, DOS, Mac, Amiga... If your favorite system isn't
listed here, it may still be supported, if there's a C compiler for
it. Ask around on comp.lang.python -- or just try compiling Python
yourself.
"""
CLASSIFIERS="""
Development Status :: 6 - Mature
License :: OSI Approved :: Python Software Foundation License
Natural Language :: English
Programming Language :: C
Programming Language :: Python
Topic :: Software Development
"""
# Set common compiler and linker flags derived from the Makefile,
# reserved for building the interpreter and the stdlib modules.
# See bpo-21121 and bpo-35257
defset_compiler_flags(compiler_flags,compiler_py_flags_nodist):
flags= sysconfig.get_config_var(compiler_flags)
py_flags_nodist= sysconfig.get_config_var(compiler_py_flags_nodist)
sysconfig.get_config_vars()[compiler_flags]= flags+''+ py_flags_nodist
defadd_dir_to_list(dirlist,dir):
"""Add the directory 'dir' to the list 'dirlist' (after any relative
directories) if:
1) 'dir' is not already in 'dirlist'
2) 'dir' actually exists, and is a directory.
"""
ifdirisNoneornot os.path.isdir(dir)ordirin dirlist:
return
for i, pathinenumerate(dirlist):
ifnot os.path.isabs(path):
dirlist.insert(i+1,dir)
return
dirlist.insert(0,dir)
defsysroot_paths(make_vars,subdirs):
"""Get the paths of sysroot sub-directories.
* make_vars: a sequence of names of variables of the Makefile where
sysroot may be set.
* subdirs: a sequence of names of subdirectories used as the location for
headers or libraries.
"""
dirs= []
for var_namein make_vars:
var= sysconfig.get_config_var(var_name)
if varisnotNone:
m= re.search(r'--sysroot=([^"]\S*|"[^"]+")', var)
if misnotNone:
sysroot= m.group(1).strip('"')
for subdirin subdirs:
if os.path.isabs(subdir):
subdir= subdir[1:]
path= os.path.join(sysroot, subdir)
if os.path.isdir(path):
dirs.append(path)
break
return dirs
defmacosx_sdk_root():
"""
Return the directory of the current OSX SDK,
or '/' if no SDK was specified.
"""
cflags= sysconfig.get_config_var('CFLAGS')
m= re.search(r'-isysroot\s+(\S+)', cflags)
if misNone:
sysroot='/'
else:
sysroot= m.group(1)
return sysroot
defis_macosx_sdk_path(path):
"""
Returns True if 'path' can be located in an OSX SDK
"""
return ( (path.startswith('/usr/')andnot path.startswith('/usr/local'))
or path.startswith('/System/')
or path.startswith('/Library/') )
deffind_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
if the file couldn't be found at all.
'filename' is the name of a file, such as readline.h or libcrypto.a.
'std_dirs' is the list of standard system directories; if the
file is found in one of them, no additional directives are needed.
'paths' is a list of additional locations to check; if the file is
found in one of them, the resulting list will contain the directory.
"""
ifMACOS:
# Honor the MacOSX SDK setting when one was specified.
# An SDK is a directory with the same structure as a real
# system, but with only header files and libraries.
sysroot= macosx_sdk_root()
# Check the standard locations
fordirin std_dirs:
f= os.path.join(dir, filename)
ifMACOSand is_macosx_sdk_path(dir):
f= os.path.join(sysroot,dir[1:], filename)
if os.path.exists(f):return []
# Check the additional directories
fordirin paths:
f= os.path.join(dir, filename)
ifMACOSand is_macosx_sdk_path(dir):
f= os.path.join(sysroot,dir[1:], filename)
if os.path.exists(f):
return [dir]
# Not found anywhere
returnNone
deffind_library_file(compiler,libname,std_dirs,paths):
result= compiler.find_library_file(std_dirs+ paths, libname)
if resultisNone:
returnNone
ifMACOS:
sysroot= macosx_sdk_root()
# Check whether the found file is in one of the standard directories
dirname= os.path.dirname(result)
for pin std_dirs:
# Ensure path doesn't end with path separator
p= p.rstrip(os.sep)
ifMACOSand is_macosx_sdk_path(p):
# Note that, as of Xcode 7, Apple SDKs may contain textual stub
# libraries with .tbd extensions rather than the normal .dylib
# shared libraries installed in /. The Apple compiler tool
# chain handles this transparently but it can cause problems
# for programs that are being built with an SDK and searching
# for specific libraries. Distutils find_library_file() now
# knows to also search for and return .tbd files. But callers
# of find_library_file need to keep in mind that the base filename
# of the returned SDK library file might have a different extension
# from that of the library file installed on the running system,
# for example:
# /Applications/Xcode.app/Contents/Developer/Platforms/
# MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/
# usr/lib/libedit.tbd
# vs
# /usr/lib/libedit.dylib
if os.path.join(sysroot, p[1:])== dirname:
return [ ]
if p== dirname:
return [ ]
# Otherwise, it must have been in one of the additional directories,
# so we have to figure out which one.
for pin paths:
# Ensure path doesn't end with path separator
p= p.rstrip(os.sep)
ifMACOSand is_macosx_sdk_path(p):
if os.path.join(sysroot, p[1:])== dirname:
return [ p ]
if p== dirname:
return [p]
else:
assertFalse,"Internal error: Path not found in std_dirs or paths"
deffind_module_file(module,dirlist):
"""Find a module in a set of possible folders. If it is not found
return the unadorned filename"""
list= find_file(module, [], dirlist)
ifnotlist:
return module
iflen(list)>1:
log.info("WARNING: multiple copies of%s found", module)
return os.path.join(list[0], module)
classPyBuildExt(build_ext):
def__init__(self,dist):
build_ext.__init__(self, dist)
self.srcdir=None
self.lib_dirs=None
self.inc_dirs=None
self.config_h_vars=None
self.failed= []
self.failed_on_import= []
self.missing= []
if'-j'in os.environ.get('MAKEFLAGS',''):
self.parallel=True
defadd(self,ext):
self.extensions.append(ext)
defbuild_extensions(self):
self.srcdir= sysconfig.get_config_var('srcdir')
ifnotself.srcdir:
# Maybe running on Windows but not using CYGWIN?
raiseValueError("No source directory; cannot proceed.")
self.srcdir= os.path.abspath(self.srcdir)
# Detect which modules should be compiled
self.detect_modules()
# Remove modules that are present on the disabled list
extensions= [extfor extinself.extensions
if ext.namenotinDISABLED_MODULE_LIST]
# move ctypes to the end, it depends on other modules
ext_map=dict((ext.name, i)for i, extinenumerate(extensions))
if"_ctypes"in ext_map:
ctypes= extensions.pop(ext_map["_ctypes"])
extensions.append(ctypes)
self.extensions= extensions
# Fix up the autodetected modules, prefixing all the source files
# with Modules/.
moddirlist= [os.path.join(self.srcdir,'Modules')]
# Fix up the paths for scripts, too
self.distribution.scripts= [os.path.join(self.srcdir, filename)
for filenameinself.distribution.scripts]
# Python header files
headers= [sysconfig.get_config_h_filename()]
headers+= glob(os.path.join(sysconfig.get_path('include'),"*.h"))
# The sysconfig variables built by makesetup that list the already
# built modules and the disabled modules as configured by the Setup
# files.
sysconf_built= sysconfig.get_config_var('MODBUILT_NAMES').split()
sysconf_dis= sysconfig.get_config_var('MODDISABLED_NAMES').split()
mods_built= []
mods_disabled= []
for extinself.extensions:
ext.sources= [ find_module_file(filename, moddirlist)
for filenamein ext.sources ]
if ext.dependsisnotNone:
ext.depends= [find_module_file(filename, moddirlist)
for filenamein ext.depends]
else:
ext.depends= []
# re-compile extensions if a header file has been changed
ext.depends.extend(headers)
# If a module has already been built or has been disabled in the
# Setup files, don't build it here.
if ext.namein sysconf_built:
mods_built.append(ext)
if ext.namein sysconf_dis:
mods_disabled.append(ext)
mods_configured= mods_built+ mods_disabled
if mods_configured:
self.extensions= [xfor xinself.extensionsif xnotin
mods_configured]
# Remove the shared libraries built by a previous build.
for extin mods_configured:
fullpath=self.get_ext_fullpath(ext.name)
if os.path.exists(fullpath):
os.unlink(fullpath)
# When you run "make CC=altcc" or something similar, you really want
# those environment variables passed into the setup.py phase. Here's
# a small set of useful ones.
compiler= os.environ.get('CC')
args= {}
# unfortunately, distutils doesn't let us provide separate C and C++
# compilers
if compilerisnotNone:
(ccshared,cflags)= sysconfig.get_config_vars('CCSHARED','CFLAGS')
args['compiler_so']= compiler+''+ ccshared+''+ cflags
self.compiler.set_executables(**args)
build_ext.build_extensions(self)
for extinself.extensions:
self.check_extension_import(ext)
longest=max([len(e.name)for einself.extensions],default=0)
ifself.failedorself.failed_on_import:
all_failed=self.failed+self.failed_on_import
longest=max(longest,max([len(name)for namein all_failed]))
defprint_three_column(lst):
lst.sort(key=str.lower)
# guarantee zip() doesn't drop anything
whilelen(lst)%3:
lst.append("")
for e, f, ginzip(lst[::3], lst[1::3], lst[2::3]):
print("%-*s%-*s%-*s"% (longest, e, longest, f,
longest, g))
ifself.missing:
print()
print("Python build finished successfully!")
print("The necessary bits to build these optional modules were not"
"found:")
print_three_column(self.missing)
print("To find the necessary bits, look in setup.py in"
" detect_modules() for the module's name.")
print()
if mods_built:
print()
print("The following modules found by detect_modules() in"
" setup.py, have been")
print("built by the Makefile instead, as configured by the"
" Setup files:")
print_three_column([ext.namefor extin mods_built])
print()
if mods_disabled:
print()
print("The following modules found by detect_modules() in"
" setup.py have not")
print("been built, they are *disabled* in the Setup files:")
print_three_column([ext.namefor extin mods_disabled])
print()
ifself.failed:
failed=self.failed[:]
print()
print("Failed to build these modules:")
print_three_column(failed)
print()
ifself.failed_on_import:
failed=self.failed_on_import[:]
print()
print("Following modules built successfully"
" but were removed because they could not be imported:")
print_three_column(failed)
print()
ifany('_ssl'in l
for lin (self.missing,self.failed,self.failed_on_import)):
print()
print("Could not build the ssl module!")
print("Python requires an OpenSSL 1.0.2 or 1.1 compatible"
"libssl with X509_VERIFY_PARAM_set1_host().")
print("LibreSSL 2.6.4 and earlier do not provide the necessary"
"APIs, https://github.com/libressl-portable/portable/issues/381")
print()
defbuild_extension(self,ext):
if ext.name=='_ctypes':
ifnotself.configure_ctypes(ext):
self.failed.append(ext.name)
return
try:
build_ext.build_extension(self, ext)
except (CCompilerError, DistutilsError)as why:
self.announce('WARNING: building of extension "%s" failed:%s'%
(ext.name, why))
self.failed.append(ext.name)
return
defcheck_extension_import(self,ext):
# Don't try to import an extension that has failed to compile
if ext.nameinself.failed:
self.announce(
'WARNING: skipping import check for failed build "%s"'%
ext.name,level=1)
return
# Workaround for Mac OS X: The Carbon-based modules cannot be
# reliably imported into a command-line Python
if'Carbon'in ext.extra_link_args:
self.announce(
'WARNING: skipping import check for Carbon-based "%s"'%
ext.name)
return
ifMACOSand (
sys.maxsize>2**32and'-arch'in ext.extra_link_args):
# Don't bother doing an import check when an extension was
# build with an explicit '-arch' flag on OSX. That's currently
# only used to build 32-bit only extensions in a 4-way
# universal build and loading 32-bit code into a 64-bit
# process will fail.
self.announce(
'WARNING: skipping import check for "%s"'%
ext.name)
return
# Workaround for Cygwin: Cygwin currently has fork issues when many
# modules have been imported
ifCYGWIN:
self.announce('WARNING: skipping import check for Cygwin-based "%s"'
% ext.name)
return
ext_filename= os.path.join(
self.build_lib,
self.get_ext_filename(self.get_ext_fullname(ext.name)))
# If the build directory didn't exist when setup.py was
# started, sys.path_importer_cache has a negative result
# cached. Clear that cache before trying to import.
sys.path_importer_cache.clear()
# Don't try to load extensions for cross builds
ifCROSS_COMPILING:
return
loader= importlib.machinery.ExtensionFileLoader(ext.name, ext_filename)
spec= importlib.util.spec_from_file_location(ext.name, ext_filename,
loader=loader)
try:
importlib._bootstrap._load(spec)
exceptImportErroras why:
self.failed_on_import.append(ext.name)
self.announce('*** WARNING: renaming "%s" since importing it'
' failed:%s'% (ext.name, why),level=3)
assertnotself.inplace
basename, tail= os.path.splitext(ext_filename)
newname= basename+"_failed"+ tail
if os.path.exists(newname):
os.remove(newname)
os.rename(ext_filename, newname)
except:
exc_type, why, tb= sys.exc_info()
self.announce('*** WARNING: importing extension "%s"'
'failed with%s:%s'% (ext.name, exc_type, why),
level=3)
self.failed.append(ext.name)
defadd_multiarch_paths(self):
# Debian/Ubuntu multiarch support.
# https://wiki.ubuntu.com/MultiarchSpec
cc= sysconfig.get_config_var('CC')
tmpfile= os.path.join(self.build_temp,'multiarch')
ifnot os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
ret= os.system(
'%s -print-multiarch >%s 2> /dev/null'% (cc, tmpfile))
multiarch_path_component=''
try:
if ret>>8==0:
withopen(tmpfile)as fp:
multiarch_path_component= fp.readline().strip()
finally:
os.unlink(tmpfile)
if multiarch_path_component!='':
add_dir_to_list(self.compiler.library_dirs,
'/usr/lib/'+ multiarch_path_component)
add_dir_to_list(self.compiler.include_dirs,
'/usr/include/'+ multiarch_path_component)
return
ifnot find_executable('dpkg-architecture'):
return
opt=''
ifCROSS_COMPILING:
opt='-t'+ sysconfig.get_config_var('HOST_GNU_TYPE')
tmpfile= os.path.join(self.build_temp,'multiarch')
ifnot os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
ret= os.system(
'dpkg-architecture%s -qDEB_HOST_MULTIARCH >%s 2> /dev/null'%
(opt, tmpfile))
try:
if ret>>8==0:
withopen(tmpfile)as fp:
multiarch_path_component= fp.readline().strip()
add_dir_to_list(self.compiler.library_dirs,
'/usr/lib/'+ multiarch_path_component)
add_dir_to_list(self.compiler.include_dirs,
'/usr/include/'+ multiarch_path_component)
finally:
os.unlink(tmpfile)
defadd_cross_compiling_paths(self):
cc= sysconfig.get_config_var('CC')
tmpfile= os.path.join(self.build_temp,'ccpaths')
ifnot os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
ret= os.system('%s -E -v - </dev/null 2>%s 1>/dev/null'% (cc, tmpfile))
is_gcc=False
is_clang=False
in_incdirs=False
try:
if ret>>8==0:
withopen(tmpfile)as fp:
for linein fp.readlines():
if line.startswith("gcc version"):
is_gcc=True
elif line.startswith("clang version"):
is_clang=True
elif line.startswith("#include <...>"):
in_incdirs=True
elif line.startswith("End of search list"):
in_incdirs=False
elif (is_gccor is_clang)and line.startswith("LIBRARY_PATH"):
for din line.strip().split("=")[1].split(":"):
d= os.path.normpath(d)
if'/gcc/'notin d:
add_dir_to_list(self.compiler.library_dirs,
d)
elif (is_gccor is_clang)and in_incdirsand'/gcc/'notin lineand'/clang/'notin line:
add_dir_to_list(self.compiler.include_dirs,
line.strip())
finally:
os.unlink(tmpfile)
defadd_ldflags_cppflags(self):
# Add paths specified in the environment variables LDFLAGS and
# CPPFLAGS for header and library files.
# We must get the values from the Makefile and not the environment
# directly since an inconsistently reproducible issue comes up where
# the environment variable is not set even though the value were passed
# into configure and stored in the Makefile (issue found on OS X 10.3).
for env_var, arg_name, dir_listin (
('LDFLAGS','-R',self.compiler.runtime_library_dirs),
('LDFLAGS','-L',self.compiler.library_dirs),
('CPPFLAGS','-I',self.compiler.include_dirs)):
env_val= sysconfig.get_config_var(env_var)
if env_val:
parser= argparse.ArgumentParser()
parser.add_argument(arg_name,dest="dirs",action="append")
options, _= parser.parse_known_args(env_val.split())
if options.dirs:
for directoryinreversed(options.dirs):
add_dir_to_list(dir_list, directory)
defconfigure_compiler(self):
# Ensure that /usr/local is always used, but the local build
# directories (i.e. '.' and 'Include') must be first. See issue
# 10520.
ifnotCROSS_COMPILING:
add_dir_to_list(self.compiler.library_dirs,'/usr/local/lib')
add_dir_to_list(self.compiler.include_dirs,'/usr/local/include')
# only change this for cross builds for 3.3, issues on Mageia
ifCROSS_COMPILING:
self.add_cross_compiling_paths()
self.add_multiarch_paths()
self.add_ldflags_cppflags()
definit_inc_lib_dirs(self):
if (notCROSS_COMPILINGand
os.path.normpath(sys.base_prefix)!='/usr'and
not sysconfig.get_config_var('PYTHONFRAMEWORK')):
# OSX note: Don't add LIBDIR and INCLUDEDIR to building a framework
# (PYTHONFRAMEWORK is set) to avoid # linking problems when
# building a framework with different architectures than
# the one that is currently installed (issue #7473)
add_dir_to_list(self.compiler.library_dirs,
sysconfig.get_config_var("LIBDIR"))
add_dir_to_list(self.compiler.include_dirs,
sysconfig.get_config_var("INCLUDEDIR"))
system_lib_dirs= ['/lib64','/usr/lib64','/lib','/usr/lib']
system_include_dirs= ['/usr/include']
# lib_dirs and inc_dirs are used to search for files;
# if a file is found in one of those directories, it can
# be assumed that no additional -I,-L directives are needed.
ifnotCROSS_COMPILING:
self.lib_dirs=self.compiler.library_dirs+ system_lib_dirs
self.inc_dirs=self.compiler.include_dirs+ system_include_dirs
else:
# Add the sysroot paths. 'sysroot' is a compiler option used to
# set the logical path of the standard system headers and
# libraries.
self.lib_dirs= (self.compiler.library_dirs+
sysroot_paths(('LDFLAGS','CC'), system_lib_dirs))
self.inc_dirs= (self.compiler.include_dirs+
sysroot_paths(('CPPFLAGS','CFLAGS','CC'),
system_include_dirs))
config_h= sysconfig.get_config_h_filename()
withopen(config_h)asfile:
self.config_h_vars= sysconfig.parse_config_h(file)
# OSF/1 and Unixware have some stuff in /usr/ccs/lib (like -ldb)
ifHOST_PLATFORMin ['osf1','unixware7','openunix8']:
self.lib_dirs+= ['/usr/ccs/lib']
# HP-UX11iv3 keeps files in lib/hpux folders.
ifHOST_PLATFORM=='hp-ux11':
self.lib_dirs+= ['/usr/lib/hpux64','/usr/lib/hpux32']
ifMACOS:
# This should work on any unixy platform ;-)
# If the user has bothered specifying additional -I and -L flags
# in OPT and LDFLAGS we might as well use them here.
#
#NOTE: using shlex.split would technically be more correct, but
# also gives a bootstrap problem. Let's hope nobody uses
# directories with whitespace in the name to store libraries.
cflags, ldflags= sysconfig.get_config_vars(
'CFLAGS','LDFLAGS')
for itemin cflags.split():
if item.startswith('-I'):
self.inc_dirs.append(item[2:])
for itemin ldflags.split():
if item.startswith('-L'):
self.lib_dirs.append(item[2:])
defdetect_simple_extensions(self):
#
# The following modules are all pretty straightforward, and compile
# on pretty much any POSIXish platform.
#
# array objects
self.add(Extension('array', ['arraymodule.c']))
# Context Variables
self.add(Extension('_contextvars', ['_contextvarsmodule.c']))
shared_math='Modules/_math.o'
# math library functions, e.g. sin()
self.add(Extension('math', ['mathmodule.c'],
extra_objects=[shared_math],
depends=['_math.h', shared_math],
libraries=['m']))
# complex math library functions
self.add(Extension('cmath', ['cmathmodule.c'],
extra_objects=[shared_math],
depends=['_math.h', shared_math],
libraries=['m']))
# time libraries: librt may be needed for clock_gettime()
time_libs= []
lib= sysconfig.get_config_var('TIMEMODULE_LIB')
if lib:
time_libs.append(lib)
# time operations and variables
self.add(Extension('time', ['timemodule.c'],
libraries=time_libs))
# libm is needed by delta_new() that uses round() and by accum() that
# uses modf().
self.add(Extension('_datetime', ['_datetimemodule.c'],
libraries=['m']))
# random number generator implemented in C
self.add(Extension("_random", ["_randommodule.c"]))
# bisect
self.add(Extension("_bisect", ["_bisectmodule.c"]))
# heapq
self.add(Extension("_heapq", ["_heapqmodule.c"]))
# C-optimized pickle replacement
self.add(Extension("_pickle", ["_pickle.c"]))
# atexit
self.add(Extension("atexit", ["atexitmodule.c"]))
# _json speedups
self.add(Extension("_json", ["_json.c"],
# pycore_accu.h requires Py_BUILD_CORE_BUILTIN
extra_compile_args=['-DPy_BUILD_CORE_BUILTIN']))
# profiler (_lsprof is for cProfile.py)
self.add(Extension('_lsprof', ['_lsprof.c','rotatingtree.c']))
# static Unicode character database
self.add(Extension('unicodedata', ['unicodedata.c'],
depends=['unicodedata_db.h','unicodename_db.h']))
# _opcode module
self.add(Extension('_opcode', ['_opcode.c']))
# asyncio speedups
self.add(Extension("_asyncio", ["_asynciomodule.c"]))
# _abc speedups
self.add(Extension("_abc", ["_abc.c"]))
# _queue module
self.add(Extension("_queue", ["_queuemodule.c"]))
# Modules with some UNIX dependencies -- on by default:
# (If you have a really backward UNIX, select and socket may not be
# supported...)
# fcntl(2) and ioctl(2)
libs= []
if (self.config_h_vars.get('FLOCK_NEEDS_LIBBSD',False)):
# May be necessary on AIX for flock function
libs= ['bsd']
self.add(Extension('fcntl', ['fcntlmodule.c'],
libraries=libs))
# pwd(3)
self.add(Extension('pwd', ['pwdmodule.c']))
# grp(3)
ifnotVXWORKS:
self.add(Extension('grp', ['grpmodule.c']))
# spwd, shadow passwords
if (self.config_h_vars.get('HAVE_GETSPNAM',False)or
self.config_h_vars.get('HAVE_GETSPENT',False)):
self.add(Extension('spwd', ['spwdmodule.c']))
else:
self.missing.append('spwd')
# select(2); not on ancient System V
self.add(Extension('select', ['selectmodule.c']))
# Fred Drake's interface to the Python parser
self.add(Extension('parser', ['parsermodule.c']))
# Memory-mapped files (also works on Win32).
self.add(Extension('mmap', ['mmapmodule.c']))
# Lance Ellinghaus's syslog module
# syslog daemon interface
self.add(Extension('syslog', ['syslogmodule.c']))
# Python interface to subinterpreter C-API.
self.add(Extension('_xxsubinterpreters', ['_xxsubinterpretersmodule.c']))
#
# Here ends the simple stuff. From here on, modules need certain
# libraries, are platform-specific, or present other surprises.
#
# Multimedia modules
# These don't work for 64-bit platforms!!!
# These represent audio samples or images as strings:
#
# Operations on audio samples
# According to #993173, this one should actually work fine on
# 64-bit platforms.
#
# audioop needs libm for floor() in multiple functions.
self.add(Extension('audioop', ['audioop.c'],
libraries=['m']))
# CSV files
self.add(Extension('_csv', ['_csv.c']))
# POSIX subprocess module helper.
self.add(Extension('_posixsubprocess', ['_posixsubprocess.c']))
defdetect_test_extensions(self):
# Python C API test module
self.add(Extension('_testcapi', ['_testcapimodule.c'],
depends=['testcapi_long.h']))
# Python PEP-3118 (buffer protocol) test module
self.add(Extension('_testbuffer', ['_testbuffer.c']))
# Test loading multiple modules from one compiled file (http://bugs.python.org/issue16421)
self.add(Extension('_testimportmultiple', ['_testimportmultiple.c']))
# Test multi-phase extension module init (PEP 489)
self.add(Extension('_testmultiphase', ['_testmultiphase.c']))
# Fuzz tests.
self.add(Extension('_xxtestfuzz',
['_xxtestfuzz/_xxtestfuzz.c',
'_xxtestfuzz/fuzzer.c']))
defdetect_readline_curses(self):
# readline
do_readline=self.compiler.find_library_file(self.lib_dirs,'readline')
readline_termcap_library=""
curses_library=""
# Cannot use os.popen here in py3k.
tmpfile= os.path.join(self.build_temp,'readline_termcap_lib')
ifnot os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
# Determine if readline is already linked against curses or tinfo.
if do_readline:
ifCROSS_COMPILING:
ret= os.system("%s -d%s | grep '(NEEDED)' >%s" \
% (sysconfig.get_config_var('READELF'),
do_readline, tmpfile))
elif find_executable('ldd'):
ret= os.system("ldd%s >%s"% (do_readline, tmpfile))
else:
ret=256
if ret>>8==0:
withopen(tmpfile)as fp:
for lnin fp:
if'curses'in ln:
readline_termcap_library= re.sub(
r'.*lib(n?cursesw?)\.so.*',r'\1', ln
).rstrip()
break
# termcap interface split out from ncurses
if'tinfo'in ln:
readline_termcap_library='tinfo'
break
if os.path.exists(tmpfile):
os.unlink(tmpfile)
# Issue 7384: If readline is already linked against curses,
# use the same library for the readline and curses modules.
if'curses'in readline_termcap_library:
curses_library= readline_termcap_library
elifself.compiler.find_library_file(self.lib_dirs,'ncursesw'):
curses_library='ncursesw'
elifself.compiler.find_library_file(self.lib_dirs,'ncurses'):
curses_library='ncurses'
elifself.compiler.find_library_file(self.lib_dirs,'curses'):
curses_library='curses'
ifMACOS:
os_release=int(os.uname()[2].split('.')[0])
dep_target= sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
if (dep_targetand
(tuple(int(n)for nin dep_target.split('.')[0:2])
< (10,5) ) ):
os_release=8
if os_release<9:
# MacOSX 10.4 has a broken readline. Don't try to build
# the readline module unless the user has installed a fixed
# readline package
if find_file('readline/rlconf.h',self.inc_dirs, [])isNone:
do_readline=False
if do_readline:
ifMACOSand os_release<9:
# In every directory on the search path search for a dynamic
# library and then a static library, instead of first looking
# for dynamic libraries on the entire path.
# This way a statically linked custom readline gets picked up
# before the (possibly broken) dynamic library in /usr/lib.
readline_extra_link_args= ('-Wl,-search_paths_first',)
else:
readline_extra_link_args= ()
readline_libs= ['readline']
if readline_termcap_library:
pass# Issue 7384: Already linked against curses or tinfo.
elif curses_library:
readline_libs.append(curses_library)
elifself.compiler.find_library_file(self.lib_dirs+
['/usr/lib/termcap'],
'termcap'):
readline_libs.append('termcap')
self.add(Extension('readline', ['readline.c'],
library_dirs=['/usr/lib/termcap'],
extra_link_args=readline_extra_link_args,
libraries=readline_libs))
else:
self.missing.append('readline')
# Curses support, requiring the System V version of curses, often
# provided by the ncurses library.
curses_defines= []
curses_includes= []
panel_library='panel'
if curses_library=='ncursesw':
curses_defines.append(('HAVE_NCURSESW','1'))
ifnotCROSS_COMPILING:
curses_includes.append('/usr/include/ncursesw')
# Bug 1464056: If _curses.so links with ncursesw,
# _curses_panel.so must link with panelw.
panel_library='panelw'
ifMACOS:
# On OS X, there is no separate /usr/lib/libncursesw nor
# libpanelw. If we are here, we found a locally-supplied
# version of libncursesw. There should also be a
# libpanelw. _XOPEN_SOURCE defines are usually excluded
# for OS X but we need _XOPEN_SOURCE_EXTENDED here for
# ncurses wide char support
curses_defines.append(('_XOPEN_SOURCE_EXTENDED','1'))
elifMACOSand curses_library=='ncurses':
# Building with the system-suppied combined libncurses/libpanel
curses_defines.append(('HAVE_NCURSESW','1'))
curses_defines.append(('_XOPEN_SOURCE_EXTENDED','1'))
curses_enabled=True
if curses_library.startswith('ncurses'):
curses_libs= [curses_library]
self.add(Extension('_curses', ['_cursesmodule.c'],
include_dirs=curses_includes,
define_macros=curses_defines,
libraries=curses_libs))
elif curses_library=='curses'andnotMACOS:
# OSX has an old Berkeley curses, not good enough for
# the _curses module.
if (self.compiler.find_library_file(self.lib_dirs,'terminfo')):
curses_libs= ['curses','terminfo']
elif (self.compiler.find_library_file(self.lib_dirs,'termcap')):
curses_libs= ['curses','termcap']
else:
curses_libs= ['curses']
self.add(Extension('_curses', ['_cursesmodule.c'],
define_macros=curses_defines,
libraries=curses_libs))
else:
curses_enabled=False
self.missing.append('_curses')
# If the curses module is enabled, check for the panel module
if (curses_enabledand
self.compiler.find_library_file(self.lib_dirs, panel_library)):
self.add(Extension('_curses_panel', ['_curses_panel.c'],
include_dirs=curses_includes,
define_macros=curses_defines,
libraries=[panel_library,*curses_libs]))
else:
self.missing.append('_curses_panel')
defdetect_crypt(self):
# crypt module.
ifself.compiler.find_library_file(self.lib_dirs,'crypt'):
libs= ['crypt']
else:
libs= []
ifnotVXWORKS:
self.add(Extension('_crypt', ['_cryptmodule.c'],
libraries=libs))
elifself.compiler.find_library_file(self.lib_dirs,'OPENSSL'):
libs= ['OPENSSL']
self.add(Extension('_crypt', ['_cryptmodule.c'],
libraries=libs))
defdetect_socket(self):
# socket(2)
ifnotVXWORKS:
self.add(Extension('_socket', ['socketmodule.c'],
depends=['socketmodule.h']))
elifself.compiler.find_library_file(self.lib_dirs,'net'):
libs= ['net']
self.add(Extension('_socket', ['socketmodule.c'],
depends=['socketmodule.h'],
libraries=libs))
defdetect_dbm_gdbm(self):
# Modules that provide persistent dictionary-like semantics. You will
# probably want to arrange for at least one of them to be available on
# your machine, though none are defined by default because of library
# dependencies. The Python module dbm/__init__.py provides an
# implementation independent wrapper for these; dbm/dumb.py provides
# similar functionality (but slower of course) implemented in Python.
# Sleepycat^WOracle Berkeley DB interface.
# http://www.oracle.com/database/berkeley-db/db/index.html
#
# This requires the Sleepycat^WOracle DB code. The supported versions
# are set below. Visit the URL above to download
# a release. Most open source OSes come with one or more
# versions of BerkeleyDB already installed.
max_db_ver= (5,3)
min_db_ver= (3,3)
db_setup_debug=False# verbose debug prints from this script?
defallow_db_ver(db_ver):
"""Returns a boolean if the given BerkeleyDB version is acceptable.
Args:
db_ver: A tuple of the version to verify.
"""
ifnot (min_db_ver<= db_ver<= max_db_ver):
returnFalse
returnTrue
defgen_db_minor_ver_nums(major):
if major==4:
for xinrange(max_db_ver[1]+1):
if allow_db_ver((4, x)):
yield x
elif major==3:
for xin (3,):
if allow_db_ver((3, x)):
yield x
else:
raiseValueError("unknown major BerkeleyDB version", major)
# construct a list of paths to look for the header file in on
# top of the normal inc_dirs.
db_inc_paths= [
'/usr/include/db4',
'/usr/local/include/db4',
'/opt/sfw/include/db4',
'/usr/include/db3',
'/usr/local/include/db3',
'/opt/sfw/include/db3',
# Fink defaults (http://fink.sourceforge.net/)
'/sw/include/db4',
'/sw/include/db3',
]
# 4.x minor number specific paths
for xin gen_db_minor_ver_nums(4):
db_inc_paths.append('/usr/include/db4%d'% x)
db_inc_paths.append('/usr/include/db4.%d'% x)
db_inc_paths.append('/usr/local/BerkeleyDB.4.%d/include'% x)
db_inc_paths.append('/usr/local/include/db4%d'% x)
db_inc_paths.append('/pkg/db-4.%d/include'% x)
db_inc_paths.append('/opt/db-4.%d/include'% x)
# MacPorts default (http://www.macports.org/)
db_inc_paths.append('/opt/local/include/db4%d'% x)
# 3.x minor number specific paths
for xin gen_db_minor_ver_nums(3):
db_inc_paths.append('/usr/include/db3%d'% x)
db_inc_paths.append('/usr/local/BerkeleyDB.3.%d/include'% x)
db_inc_paths.append('/usr/local/include/db3%d'% x)
db_inc_paths.append('/pkg/db-3.%d/include'% x)
db_inc_paths.append('/opt/db-3.%d/include'% x)
ifCROSS_COMPILING:
db_inc_paths= []
# Add some common subdirectories for Sleepycat DB to the list,
# based on the standard include directories. This way DB3/4 gets
# picked up when it is installed in a non-standard prefix and
# the user has added that prefix into inc_dirs.
std_variants= []
for dninself.inc_dirs:
std_variants.append(os.path.join(dn,'db3'))
std_variants.append(os.path.join(dn,'db4'))
for xin gen_db_minor_ver_nums(4):
std_variants.append(os.path.join(dn,"db4%d"%x))
std_variants.append(os.path.join(dn,"db4.%d"%x))
for xin gen_db_minor_ver_nums(3):
std_variants.append(os.path.join(dn,"db3%d"%x))
std_variants.append(os.path.join(dn,"db3.%d"%x))
db_inc_paths= std_variants+ db_inc_paths
db_inc_paths= [pfor pin db_inc_pathsif os.path.exists(p)]
db_ver_inc_map= {}
ifMACOS:
sysroot= macosx_sdk_root()
classdb_found(Exception):pass
try:
# See whether there is a Sleepycat header in the standard
# search path.
for dinself.inc_dirs+ db_inc_paths:
f= os.path.join(d,"db.h")
ifMACOSand is_macosx_sdk_path(d):
f= os.path.join(sysroot, d[1:],"db.h")
if db_setup_debug:print("db: looking for db.h in", f)
if os.path.exists(f):
withopen(f,'rb')asfile:
f=file.read()
m= re.search(br"#define\WDB_VERSION_MAJOR\W(\d+)", f)
if m:
db_major=int(m.group(1))
m= re.search(br"#define\WDB_VERSION_MINOR\W(\d+)", f)
db_minor=int(m.group(1))
db_ver= (db_major, db_minor)
# Avoid 4.6 prior to 4.6.21 due to a BerkeleyDB bug
if db_ver== (4,6):
m= re.search(br"#define\WDB_VERSION_PATCH\W(\d+)", f)
db_patch=int(m.group(1))
if db_patch<21:
print("db.h:", db_ver,"patch", db_patch,
"being ignored (4.6.x must be >= 4.6.21)")
continue
if ( (db_vernotin db_ver_inc_map)and
allow_db_ver(db_ver) ):
# save the include directory with the db.h version
# (first occurrence only)
db_ver_inc_map[db_ver]= d
if db_setup_debug:
print("db.h: found", db_ver,"in", d)
else:
# we already found a header for this library version
if db_setup_debug:print("db.h: ignoring", d)
else:
# ignore this header, it didn't contain a version number
if db_setup_debug:
print("db.h: no version number version in", d)
db_found_vers=list(db_ver_inc_map.keys())
db_found_vers.sort()
while db_found_vers:
db_ver= db_found_vers.pop()
db_incdir= db_ver_inc_map[db_ver]
# check lib directories parallel to the location of the header
db_dirs_to_check= [
db_incdir.replace("include",'lib64'),
db_incdir.replace("include",'lib'),
]
ifnotMACOS:
db_dirs_to_check=list(filter(os.path.isdir, db_dirs_to_check))
else:
# Same as other branch, but takes OSX SDK into account
tmp= []
for dnin db_dirs_to_check:
if is_macosx_sdk_path(dn):
if os.path.isdir(os.path.join(sysroot, dn[1:])):
tmp.append(dn)
else:
if os.path.isdir(dn):
tmp.append(dn)
db_dirs_to_check= tmp
db_dirs_to_check= tmp
# Look for a version specific db-X.Y before an ambiguous dbX
#XXX should we -ever- look for a dbX name? Do any
# systems really not name their library by version and
# symlink to more general names?
for dblibin (('db-%d.%d'% db_ver),
('db%d%d'% db_ver),
('db%d'% db_ver[0])):
dblib_file=self.compiler.find_library_file(
db_dirs_to_check+self.lib_dirs, dblib )
if dblib_file:
dblib_dir= [ os.path.abspath(os.path.dirname(dblib_file)) ]
raise db_found
else:
if db_setup_debug:print("db lib:", dblib,"not found")
except db_found:
if db_setup_debug:
print("bsddb using BerkeleyDB lib:", db_ver, dblib)
print("bsddb lib dir:", dblib_dir," inc dir:", db_incdir)
dblibs= [dblib]
# Only add the found library and include directories if they aren't
# already being searched. This avoids an explicit runtime library
# dependency.
if db_incdirinself.inc_dirs:
db_incs=None
else:
db_incs= [db_incdir]
if dblib_dir[0]inself.lib_dirs:
dblib_dir=None
else:
if db_setup_debug:print("db: no appropriate library found")
db_incs=None
dblibs= []
dblib_dir=None
dbm_setup_debug=False# verbose debug prints from this script?
dbm_order= ['gdbm']
# The standard Unix dbm module:
ifnotCYGWIN:
config_args= [arg.strip("'")
for argin sysconfig.get_config_var("CONFIG_ARGS").split()]
dbm_args= [argfor argin config_args
if arg.startswith('--with-dbmliborder=')]
if dbm_args:
dbm_order= [arg.split('=')[-1]for argin dbm_args][-1].split(":")
else:
dbm_order="ndbm:gdbm:bdb".split(":")
dbmext=None
for candin dbm_order:
if cand=="ndbm":
if find_file("ndbm.h",self.inc_dirs, [])isnotNone:
# Some systems have -lndbm, others have -lgdbm_compat,
# others don't have either
ifself.compiler.find_library_file(self.lib_dirs,
'ndbm'):
ndbm_libs= ['ndbm']
elifself.compiler.find_library_file(self.lib_dirs,
'gdbm_compat'):
ndbm_libs= ['gdbm_compat']
else:
ndbm_libs= []
if dbm_setup_debug:print("building dbm using ndbm")
dbmext= Extension('_dbm', ['_dbmmodule.c'],
define_macros=[
('HAVE_NDBM_H',None),
],
libraries=ndbm_libs)
break
elif cand=="gdbm":
ifself.compiler.find_library_file(self.lib_dirs,'gdbm'):
gdbm_libs= ['gdbm']
ifself.compiler.find_library_file(self.lib_dirs,
'gdbm_compat'):
gdbm_libs.append('gdbm_compat')
if find_file("gdbm/ndbm.h",self.inc_dirs, [])isnotNone:
if dbm_setup_debug:print("building dbm using gdbm")
dbmext= Extension(
'_dbm', ['_dbmmodule.c'],
define_macros=[
('HAVE_GDBM_NDBM_H',None),
],
libraries= gdbm_libs)
break
if find_file("gdbm-ndbm.h",self.inc_dirs, [])isnotNone:
if dbm_setup_debug:print("building dbm using gdbm")
dbmext= Extension(
'_dbm', ['_dbmmodule.c'],
define_macros=[
('HAVE_GDBM_DASH_NDBM_H',None),
],
libraries= gdbm_libs)
break
elif cand=="bdb":
if dblibs:
if dbm_setup_debug:print("building dbm using bdb")
dbmext= Extension('_dbm', ['_dbmmodule.c'],
library_dirs=dblib_dir,
runtime_library_dirs=dblib_dir,
include_dirs=db_incs,
define_macros=[
('HAVE_BERKDB_H',None),
('DB_DBM_HSEARCH',None),
],
libraries=dblibs)
break
if dbmextisnotNone:
self.add(dbmext)
else:
self.missing.append('_dbm')
# Anthony Baxter's gdbm module. GNU dbm(3) will require -lgdbm:
if ('gdbm'in dbm_orderand
self.compiler.find_library_file(self.lib_dirs,'gdbm')):
self.add(Extension('_gdbm', ['_gdbmmodule.c'],
libraries=['gdbm']))
else:
self.missing.append('_gdbm')
defdetect_sqlite(self):
# The sqlite interface
sqlite_setup_debug=False# verbose debug prints from this script?
# We hunt for #define SQLITE_VERSION "n.n.n"
# We need to find >= sqlite version 3.0.8
sqlite_incdir= sqlite_libdir=None
sqlite_inc_paths= ['/usr/include',
'/usr/include/sqlite',
'/usr/include/sqlite3',
'/usr/local/include',
'/usr/local/include/sqlite',
'/usr/local/include/sqlite3',
]
ifCROSS_COMPILING:
sqlite_inc_paths= []
MIN_SQLITE_VERSION_NUMBER= (3,0,8)
MIN_SQLITE_VERSION=".".join([str(x)
for xinMIN_SQLITE_VERSION_NUMBER])
# Scan the default include directories before the SQLite specific
# ones. This allows one to override the copy of sqlite on OSX,
# where /usr/include contains an old version of sqlite.
ifMACOS:
sysroot= macosx_sdk_root()
for d_inself.inc_dirs+ sqlite_inc_paths:
d= d_
ifMACOSand is_macosx_sdk_path(d):
d= os.path.join(sysroot, d[1:])
f= os.path.join(d,"sqlite3.h")
if os.path.exists(f):
if sqlite_setup_debug:print("sqlite: found%s"%f)
withopen(f)asfile:
incf=file.read()
m= re.search(
r'\s*.*#\s*.*define\s.*SQLITE_VERSION\W*"([\d\.]*)"', incf)
if m:
sqlite_version= m.group(1)
sqlite_version_tuple=tuple([int(x)
for xin sqlite_version.split(".")])
if sqlite_version_tuple>=MIN_SQLITE_VERSION_NUMBER:
# we win!
if sqlite_setup_debug:
print("%s/sqlite3.h: version%s"%(d, sqlite_version))
sqlite_incdir= d
break
else:
if sqlite_setup_debug:
print("%s: version%d is too old, need >=%s"%(d,
sqlite_version,MIN_SQLITE_VERSION))
elif sqlite_setup_debug:
print("sqlite:%s had no SQLITE_VERSION"%(f,))
if sqlite_incdir:
sqlite_dirs_to_check= [
os.path.join(sqlite_incdir,'..','lib64'),
os.path.join(sqlite_incdir,'..','lib'),
os.path.join(sqlite_incdir,'..','..','lib64'),
os.path.join(sqlite_incdir,'..','..','lib'),
]
sqlite_libfile=self.compiler.find_library_file(
sqlite_dirs_to_check+self.lib_dirs,'sqlite3')
if sqlite_libfile:
sqlite_libdir= [os.path.abspath(os.path.dirname(sqlite_libfile))]
if sqlite_incdirand sqlite_libdir:
sqlite_srcs= ['_sqlite/cache.c',
'_sqlite/connection.c',
'_sqlite/cursor.c',
'_sqlite/microprotocols.c',
'_sqlite/module.c',
'_sqlite/prepare_protocol.c',
'_sqlite/row.c',
'_sqlite/statement.c',
'_sqlite/util.c', ]
sqlite_defines= []
ifnotMS_WINDOWS:
sqlite_defines.append(('MODULE_NAME','"sqlite3"'))
else:
sqlite_defines.append(('MODULE_NAME','\\"sqlite3\\"'))
# Enable support for loadable extensions in the sqlite3 module
# if --enable-loadable-sqlite-extensions configure option is used.
if'--enable-loadable-sqlite-extensions'notin sysconfig.get_config_var("CONFIG_ARGS"):
sqlite_defines.append(("SQLITE_OMIT_LOAD_EXTENSION","1"))
ifMACOS:
# In every directory on the search path search for a dynamic
# library and then a static library, instead of first looking
# for dynamic libraries on the entire path.
# This way a statically linked custom sqlite gets picked up
# before the dynamic library in /usr/lib.
sqlite_extra_link_args= ('-Wl,-search_paths_first',)
else:
sqlite_extra_link_args= ()
include_dirs= ["Modules/_sqlite"]
# Only include the directory where sqlite was found if it does
# not already exist in set include directories, otherwise you
# can end up with a bad search path order.
if sqlite_incdirnotinself.compiler.include_dirs:
include_dirs.append(sqlite_incdir)
# avoid a runtime library path for a system library dir
if sqlite_libdirand sqlite_libdir[0]inself.lib_dirs:
sqlite_libdir=None
self.add(Extension('_sqlite3', sqlite_srcs,
define_macros=sqlite_defines,
include_dirs=include_dirs,
library_dirs=sqlite_libdir,
extra_link_args=sqlite_extra_link_args,
libraries=["sqlite3",]))
else:
self.missing.append('_sqlite3')
defdetect_platform_specific_exts(self):
# Unix-only modules
ifnotMS_WINDOWS:
ifnotVXWORKS:
# Steen Lumholt's termios module
self.add(Extension('termios', ['termios.c']))
# Jeremy Hylton's rlimit interface
self.add(Extension('resource', ['resource.c']))
else:
self.missing.extend(['resource','termios'])
# Platform-specific libraries
ifHOST_PLATFORM.startswith(('linux','freebsd','gnukfreebsd')):
self.add(Extension('ossaudiodev', ['ossaudiodev.c']))
else:
self.missing.append('ossaudiodev')
ifMACOS:
self.add(Extension('_scproxy', ['_scproxy.c'],
extra_link_args=[
'-framework','SystemConfiguration',
'-framework','CoreFoundation']))
defdetect_compress_exts(self):
# Andrew Kuchling's zlib module. Note that some versions of zlib
# 1.1.3 have security problems. See CERT Advisory CA-2002-07:
# http://www.cert.org/advisories/CA-2002-07.html
#
# zlib 1.1.4 is fixed, but at least one vendor (RedHat) has decided to
# patch its zlib 1.1.3 package instead of upgrading to 1.1.4. For
# now, we still accept 1.1.3, because we think it's difficult to
# exploit this in Python, and we'd rather make it RedHat's problem
# than our problem <wink>.
#
# You can upgrade zlib to version 1.1.4 yourself by going to
# http://www.gzip.org/zlib/
zlib_inc= find_file('zlib.h', [],self.inc_dirs)
have_zlib=False
if zlib_incisnotNone:
zlib_h= zlib_inc[0]+'/zlib.h'
version='"0.0.0"'
version_req='"1.1.3"'
ifMACOSand is_macosx_sdk_path(zlib_h):
zlib_h= os.path.join(macosx_sdk_root(), zlib_h[1:])
withopen(zlib_h)as fp:
while1:
line= fp.readline()
ifnot line:
break
if line.startswith('#define ZLIB_VERSION'):
version= line.split()[2]
break
if version>= version_req:
if (self.compiler.find_library_file(self.lib_dirs,'z')):
ifMACOS:
zlib_extra_link_args= ('-Wl,-search_paths_first',)
else:
zlib_extra_link_args= ()
self.add(Extension('zlib', ['zlibmodule.c'],
libraries=['z'],
extra_link_args=zlib_extra_link_args))
have_zlib=True
else:
self.missing.append('zlib')
else:
self.missing.append('zlib')
else:
self.missing.append('zlib')
# Helper module for various ascii-encoders. Uses zlib for an optimized
# crc32 if we have it. Otherwise binascii uses its own.
if have_zlib:
extra_compile_args= ['-DUSE_ZLIB_CRC32']
libraries= ['z']
extra_link_args= zlib_extra_link_args
else:
extra_compile_args= []
libraries= []
extra_link_args= []
self.add(Extension('binascii', ['binascii.c'],
extra_compile_args=extra_compile_args,
libraries=libraries,
extra_link_args=extra_link_args))
# Gustavo Niemeyer's bz2 module.
if (self.compiler.find_library_file(self.lib_dirs,'bz2')):
ifMACOS:
bz2_extra_link_args= ('-Wl,-search_paths_first',)
else:
bz2_extra_link_args= ()
self.add(Extension('_bz2', ['_bz2module.c'],
libraries=['bz2'],
extra_link_args=bz2_extra_link_args))
else:
self.missing.append('_bz2')
# LZMA compression support.
ifself.compiler.find_library_file(self.lib_dirs,'lzma'):
self.add(Extension('_lzma', ['_lzmamodule.c'],
libraries=['lzma']))
else:
self.missing.append('_lzma')
defdetect_expat_elementtree(self):
# Interface to the Expat XML parser
#
# Expat was written by James Clark and is now maintained by a group of
# developers on SourceForge; see www.libexpat.org for more information.
# The pyexpat module was written by Paul Prescod after a prototype by
# Jack Jansen. The Expat source is included in Modules/expat/. Usage
# of a system shared libexpat.so is possible with --with-system-expat
# configure option.
#
# More information on Expat can be found at www.libexpat.org.
#
if'--with-system-expat'in sysconfig.get_config_var("CONFIG_ARGS"):
expat_inc= []
define_macros= []
extra_compile_args= []
expat_lib= ['expat']
expat_sources= []
expat_depends= []
else:
expat_inc= [os.path.join(self.srcdir,'Modules','expat')]
define_macros= [
('HAVE_EXPAT_CONFIG_H','1'),
# bpo-30947: Python uses best available entropy sources to
# call XML_SetHashSalt(), expat entropy sources are not needed
('XML_POOR_ENTROPY','1'),
]
extra_compile_args= []
expat_lib= []
expat_sources= ['expat/xmlparse.c',
'expat/xmlrole.c',
'expat/xmltok.c']
expat_depends= ['expat/ascii.h',
'expat/asciitab.h',
'expat/expat.h',
'expat/expat_config.h',
'expat/expat_external.h',
'expat/internal.h',
'expat/latin1tab.h',
'expat/utf8tab.h',
'expat/xmlrole.h',
'expat/xmltok.h',
'expat/xmltok_impl.h'
]
cc= sysconfig.get_config_var('CC').split()[0]
ret= os.system(
'"%s" -Werror -Wimplicit-fallthrough -E -xc /dev/null >/dev/null 2>&1'% cc)
if ret>>8==0:
extra_compile_args.append('-Wno-implicit-fallthrough')
self.add(Extension('pyexpat',
define_macros=define_macros,
extra_compile_args=extra_compile_args,
include_dirs=expat_inc,
libraries=expat_lib,
sources=['pyexpat.c']+ expat_sources,
depends=expat_depends))
# Fredrik Lundh's cElementTree module. Note that this also
# uses expat (via the CAPI hook in pyexpat).
if os.path.isfile(os.path.join(self.srcdir,'Modules','_elementtree.c')):
define_macros.append(('USE_PYEXPAT_CAPI',None))
self.add(Extension('_elementtree',
define_macros=define_macros,
include_dirs=expat_inc,
libraries=expat_lib,
sources=['_elementtree.c'],
depends=['pyexpat.c',*expat_sources,
*expat_depends]))
else:
self.missing.append('_elementtree')
defdetect_multibytecodecs(self):
# Hye-Shik Chang's CJKCodecs modules.
self.add(Extension('_multibytecodec',
['cjkcodecs/multibytecodec.c']))
for locin ('kr','jp','cn','tw','hk','iso2022'):
self.add(Extension('_codecs_%s'% loc,
['cjkcodecs/_codecs_%s.c'% loc]))
defdetect_multiprocessing(self):
# Richard Oudkerk's multiprocessing module
ifMS_WINDOWS:
multiprocessing_srcs= ['_multiprocessing/multiprocessing.c',
'_multiprocessing/semaphore.c']
else:
multiprocessing_srcs= ['_multiprocessing/multiprocessing.c']
if (sysconfig.get_config_var('HAVE_SEM_OPEN')andnot
sysconfig.get_config_var('POSIX_SEMAPHORES_NOT_ENABLED')):
multiprocessing_srcs.append('_multiprocessing/semaphore.c')
if (sysconfig.get_config_var('HAVE_SHM_OPEN')and
sysconfig.get_config_var('HAVE_SHM_UNLINK')):
posixshmem_srcs= ['_multiprocessing/posixshmem.c']
libs= []
if sysconfig.get_config_var('SHM_NEEDS_LIBRT'):
# need to link with librt to get shm_open()
libs.append('rt')
self.add(Extension('_posixshmem', posixshmem_srcs,
define_macros={},
libraries=libs,
include_dirs=["Modules/_multiprocessing"]))
self.add(Extension('_multiprocessing', multiprocessing_srcs,
include_dirs=["Modules/_multiprocessing"]))
defdetect_uuid(self):
# Build the _uuid module if possible
uuid_incs= find_file("uuid.h",self.inc_dirs, ["/usr/include/uuid"])
if uuid_incsisnotNone:
ifself.compiler.find_library_file(self.lib_dirs,'uuid'):
uuid_libs= ['uuid']
else:
uuid_libs= []
self.add(Extension('_uuid', ['_uuidmodule.c'],
libraries=uuid_libs,
include_dirs=uuid_incs))
else:
self.missing.append('_uuid')
defdetect_modules(self):
self.configure_compiler()
self.init_inc_lib_dirs()
self.detect_simple_extensions()
ifTEST_EXTENSIONS:
self.detect_test_extensions()
self.detect_readline_curses()
self.detect_crypt()
self.detect_socket()
self.detect_openssl_hashlib()
self.detect_dbm_gdbm()
self.detect_sqlite()
self.detect_platform_specific_exts()
self.detect_nis()
self.detect_compress_exts()
self.detect_expat_elementtree()
self.detect_multibytecodecs()
self.detect_decimal()
self.detect_ctypes()
self.detect_multiprocessing()
ifnotself.detect_tkinter():
self.missing.append('_tkinter')
self.detect_uuid()
## # Uncomment these lines if you want to play with xxmodule.c
## self.add(Extension('xx', ['xxmodule.c']))
if'd'notin sysconfig.get_config_var('ABIFLAGS'):
self.add(Extension('xxlimited', ['xxlimited.c'],
define_macros=[('Py_LIMITED_API','0x03050000')]))
defdetect_tkinter_explicitly(self):
# Build _tkinter using explicit locations for Tcl/Tk.
#
# This is enabled when both arguments are given to ./configure:
#
# --with-tcltk-includes="-I/path/to/tclincludes \
# -I/path/to/tkincludes"
# --with-tcltk-libs="-L/path/to/tcllibs -ltclm.n \
# -L/path/to/tklibs -ltkm.n"
#
# These values can also be specified or overridden via make:
# make TCLTK_INCLUDES="..." TCLTK_LIBS="..."
#
# This can be useful for building and testing tkinter with multiple
# versions of Tcl/Tk. Note that a build of Tk depends on a particular
# build of Tcl so you need to specify both arguments and use care when
# overriding.
# The _TCLTK variables are created in the Makefile sharedmods target.
tcltk_includes= os.environ.get('_TCLTK_INCLUDES')
tcltk_libs= os.environ.get('_TCLTK_LIBS')
ifnot (tcltk_includesand tcltk_libs):
# Resume default configuration search.
returnFalse
extra_compile_args= tcltk_includes.split()
extra_link_args= tcltk_libs.split()
self.add(Extension('_tkinter', ['_tkinter.c','tkappinit.c'],
define_macros=[('WITH_APPINIT',1)],
extra_compile_args= extra_compile_args,
extra_link_args= extra_link_args))
returnTrue
defdetect_tkinter_darwin(self):
# The _tkinter module, using frameworks. Since frameworks are quite
# different the UNIX search logic is not sharable.
from os.pathimport join, exists
framework_dirs= [
'/Library/Frameworks',
'/System/Library/Frameworks/',
join(os.getenv('HOME'),'/Library/Frameworks')
]
sysroot= macosx_sdk_root()
# Find the directory that contains the Tcl.framework and Tk.framework
# bundles.
#XXX distutils should support -F!
for Fin framework_dirs:
# both Tcl.framework and Tk.framework should be present
for fwin'Tcl','Tk':
if is_macosx_sdk_path(F):
ifnot exists(join(sysroot, F[1:], fw+'.framework')):
break
else:
ifnot exists(join(F, fw+'.framework')):
break
else:
# ok, F is now directory with both frameworks. Continure
# building
break
else:
# Tk and Tcl frameworks not found. Normal "unix" tkinter search
# will now resume.
returnFalse
# For 8.4a2, we must add -I options that point inside the Tcl and Tk
# frameworks. In later release we should hopefully be able to pass
# the -F option to gcc, which specifies a framework lookup path.
#
include_dirs= [
join(F, fw+'.framework', H)
for fwin ('Tcl','Tk')
for Hin ('Headers','Versions/Current/PrivateHeaders')
]
# For 8.4a2, the X11 headers are not included. Rather than include a
# complicated search, this is a hard-coded path. It could bail out
# if X11 libs are not found...
include_dirs.append('/usr/X11R6/include')
frameworks= ['-framework','Tcl','-framework','Tk']
# All existing framework builds of Tcl/Tk don't support 64-bit
# architectures.
cflags= sysconfig.get_config_vars('CFLAGS')[0]
archs= re.findall(r'-arch\s+(\w+)', cflags)
tmpfile= os.path.join(self.build_temp,'tk.arch')
ifnot os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
# Note: cannot use os.popen or subprocess here, that
# requires extensions that are not available here.
if is_macosx_sdk_path(F):
os.system("file%s/Tk.framework/Tk | grep 'for architecture' >%s"%(os.path.join(sysroot, F[1:]), tmpfile))
else:
os.system("file%s/Tk.framework/Tk | grep 'for architecture' >%s"%(F, tmpfile))
withopen(tmpfile)as fp:
detected_archs= []
for lnin fp:
a= ln.split()[-1]
if ain archs:
detected_archs.append(ln.split()[-1])
os.unlink(tmpfile)
for ain detected_archs:
frameworks.append('-arch')
frameworks.append(a)
self.add(Extension('_tkinter', ['_tkinter.c','tkappinit.c'],
define_macros=[('WITH_APPINIT',1)],
include_dirs=include_dirs,
libraries=[],
extra_compile_args=frameworks[2:],
extra_link_args=frameworks))
returnTrue
defdetect_tkinter(self):
# The _tkinter module.
# Check whether --with-tcltk-includes and --with-tcltk-libs were
# configured or passed into the make target. If so, use these values
# to build tkinter and bypass the searches for Tcl and TK in standard
# locations.
ifself.detect_tkinter_explicitly():
returnTrue
# Rather than complicate the code below, detecting and building
# AquaTk is a separate method. Only one Tkinter will be built on
# Darwin - either AquaTk, if it is found, or X11 based Tk.
if (MACOSandself.detect_tkinter_darwin()):
returnTrue
# Assume we haven't found any of the libraries or include files
# The versions with dots are used on Unix, and the versions without
# dots on Windows, for detection by cygwin.
tcllib= tklib= tcl_includes= tk_includes=None
for versionin ['8.6','86','8.5','85','8.4','84','8.3','83',
'8.2','82','8.1','81','8.0','80']:
tklib=self.compiler.find_library_file(self.lib_dirs,
'tk'+ version)
tcllib=self.compiler.find_library_file(self.lib_dirs,
'tcl'+ version)
if tkliband tcllib:
# Exit the loop when we've found the Tcl/Tk libraries
break
# Now check for the header files
if tkliband tcllib:
# Check for the include files on Debian and {Free,Open}BSD, where
# they're put in /usr/include/{tcl,tk}X.Y
dotversion= version
if'.'notin dotversionand"bsd"inHOST_PLATFORM.lower():
# OpenBSD and FreeBSD use Tcl/Tk library names like libtcl83.a,
# but the include subdirs are named like .../include/tcl8.3.
dotversion= dotversion[:-1]+'.'+ dotversion[-1]
tcl_include_sub= []
tk_include_sub= []
fordirinself.inc_dirs:
tcl_include_sub+= [dir+ os.sep+"tcl"+ dotversion]
tk_include_sub+= [dir+ os.sep+"tk"+ dotversion]
tk_include_sub+= tcl_include_sub
tcl_includes= find_file('tcl.h',self.inc_dirs, tcl_include_sub)
tk_includes= find_file('tk.h',self.inc_dirs, tk_include_sub)
if (tcllibisNoneor tklibisNoneor
tcl_includesisNoneor tk_includesisNone):
self.announce("INFO: Can't locate Tcl/Tk libs and/or headers",2)
returnFalse
# OK... everything seems to be present for Tcl/Tk.
include_dirs= []
libs= []
defs= []
added_lib_dirs= []
fordirin tcl_includes+ tk_includes:
ifdirnotin include_dirs:
include_dirs.append(dir)
# Check for various platform-specific directories
ifHOST_PLATFORM=='sunos5':
include_dirs.append('/usr/openwin/include')
added_lib_dirs.append('/usr/openwin/lib')
elif os.path.exists('/usr/X11R6/include'):
include_dirs.append('/usr/X11R6/include')
added_lib_dirs.append('/usr/X11R6/lib64')
added_lib_dirs.append('/usr/X11R6/lib')
elif os.path.exists('/usr/X11R5/include'):
include_dirs.append('/usr/X11R5/include')
added_lib_dirs.append('/usr/X11R5/lib')
else:
# Assume default location for X11
include_dirs.append('/usr/X11/include')
added_lib_dirs.append('/usr/X11/lib')
# If Cygwin, then verify that X is installed before proceeding
ifCYGWIN:
x11_inc= find_file('X11/Xlib.h', [], include_dirs)
if x11_incisNone:
returnFalse
# Check for BLT extension
ifself.compiler.find_library_file(self.lib_dirs+ added_lib_dirs,
'BLT8.0'):
defs.append( ('WITH_BLT',1) )
libs.append('BLT8.0')
elifself.compiler.find_library_file(self.lib_dirs+ added_lib_dirs,
'BLT'):
defs.append( ('WITH_BLT',1) )
libs.append('BLT')
# Add the Tcl/Tk libraries
libs.append('tk'+ version)
libs.append('tcl'+ version)
ifHOST_PLATFORMin ['aix3','aix4']:
libs.append('ld')
# Finally, link with the X11 libraries (not appropriate on cygwin)
ifnotCYGWIN:
libs.append('X11')
#XXX handle these, but how to detect?
# *** Uncomment and edit for PIL (TkImaging) extension only:
# -DWITH_PIL -I../Extensions/Imaging/libImaging tkImaging.c \
# *** Uncomment and edit for TOGL extension only:
# -DWITH_TOGL togl.c \
# *** Uncomment these for TOGL extension only:
# -lGL -lGLU -lXext -lXmu \
self.add(Extension('_tkinter', ['_tkinter.c','tkappinit.c'],
define_macros=[('WITH_APPINIT',1)]+ defs,
include_dirs=include_dirs,
libraries=libs,
library_dirs=added_lib_dirs))
returnTrue
defconfigure_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 pin ['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)
returnTrue
defconfigure_ctypes(self,ext):
ifnotself.use_system_libffi:
ifMACOS:
returnself.configure_ctypes_darwin(ext)
print('INFO: Could not locate ffi libs and/or headers')
returnFalse
returnTrue
defdetect_ctypes(self):
# Thomas Heller's _ctypes module
self.use_system_libffi=False
include_dirs= []
extra_compile_args= []
extra_link_args= []
sources= ['_ctypes/_ctypes.c',
'_ctypes/callbacks.c',
'_ctypes/callproc.c',
'_ctypes/stgdict.c',
'_ctypes/cfield.c']
depends= ['_ctypes/ctypes.h']
ifMACOS:
sources.append('_ctypes/malloc_closure.c')
sources.append('_ctypes/darwin/dlfcn_simple.c')
extra_compile_args.append('-DMACOSX')
include_dirs.append('_ctypes/darwin')
#XXX Is this still needed?
# extra_link_args.extend(['-read_only_relocs', 'warning'])
elifHOST_PLATFORM=='sunos5':
#XXX This shouldn't be necessary; it appears that some
# of the assembler code is non-PIC (i.e. it has relocations
# when it shouldn't. The proper fix would be to rewrite
# the assembler code to be PIC.
# This only works with GCC; the Sun compiler likely refuses
# this option. If you want to compile ctypes with the Sun
# compiler, please research a proper solution, instead of
# finding some -z option for the Sun compiler.
extra_link_args.append('-mimpure-text')
elifHOST_PLATFORM.startswith('hp-ux'):
extra_link_args.append('-fPIC')
ext= Extension('_ctypes',
include_dirs=include_dirs,
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args,
libraries=[],
sources=sources,
depends=depends)
self.add(ext)
ifTEST_EXTENSIONS:
# function my_sqrt() needs libm for sqrt()
self.add(Extension('_ctypes_test',
sources=['_ctypes/_ctypes_test.c'],
libraries=['m']))
ffi_inc_dirs=self.inc_dirs.copy()
ifMACOS:
if'--with-system-ffi'notin 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")]
ifnot ffi_incor ffi_inc[0]=='':
ffi_inc= find_file('ffi.h', [], ffi_inc_dirs)
if ffi_incisnotNone:
ffi_h= ffi_inc[0]+'/ffi.h'
ifnot os.path.exists(ffi_h):
ffi_inc=None
print('Header file{} does not exist'.format(ffi_h))
ffi_lib=None
if ffi_incisnotNone:
for lib_namein ('ffi','ffi_pic'):
if (self.compiler.find_library_file(self.lib_dirs, lib_name)):
ffi_lib= lib_name
break
if ffi_incand ffi_lib:
ext.include_dirs.extend(ffi_inc)
ext.libraries.append(ffi_lib)
self.use_system_libffi=True
if sysconfig.get_config_var('HAVE_LIBDL'):
# for dlopen, see bpo-32647
ext.libraries.append('dl')
defdetect_decimal(self):
# Stefan Krah's _decimal module
extra_compile_args= []
undef_macros= []
if'--with-system-libmpdec'in sysconfig.get_config_var("CONFIG_ARGS"):
include_dirs= []
libraries= [':libmpdec.so.2']
sources= ['_decimal/_decimal.c']
depends= ['_decimal/docstrings.h']
else:
include_dirs= [os.path.abspath(os.path.join(self.srcdir,
'Modules',
'_decimal',
'libmpdec'))]
libraries= ['m']
sources= [
'_decimal/_decimal.c',
'_decimal/libmpdec/basearith.c',
'_decimal/libmpdec/constants.c',
'_decimal/libmpdec/context.c',
'_decimal/libmpdec/convolute.c',
'_decimal/libmpdec/crt.c',
'_decimal/libmpdec/difradix2.c',
'_decimal/libmpdec/fnt.c',
'_decimal/libmpdec/fourstep.c',
'_decimal/libmpdec/io.c',
'_decimal/libmpdec/memory.c',
'_decimal/libmpdec/mpdecimal.c',
'_decimal/libmpdec/numbertheory.c',
'_decimal/libmpdec/sixstep.c',
'_decimal/libmpdec/transpose.c',
]
depends= [
'_decimal/docstrings.h',
'_decimal/libmpdec/basearith.h',
'_decimal/libmpdec/bits.h',
'_decimal/libmpdec/constants.h',
'_decimal/libmpdec/convolute.h',
'_decimal/libmpdec/crt.h',
'_decimal/libmpdec/difradix2.h',
'_decimal/libmpdec/fnt.h',
'_decimal/libmpdec/fourstep.h',
'_decimal/libmpdec/io.h',
'_decimal/libmpdec/mpalloc.h',
'_decimal/libmpdec/mpdecimal.h',
'_decimal/libmpdec/numbertheory.h',
'_decimal/libmpdec/sixstep.h',
'_decimal/libmpdec/transpose.h',
'_decimal/libmpdec/typearith.h',
'_decimal/libmpdec/umodarith.h',
]
config= {
'x64': [('CONFIG_64','1'), ('ASM','1')],
'uint128': [('CONFIG_64','1'), ('ANSI','1'), ('HAVE_UINT128_T','1')],
'ansi64': [('CONFIG_64','1'), ('ANSI','1')],
'ppro': [('CONFIG_32','1'), ('PPRO','1'), ('ASM','1')],
'ansi32': [('CONFIG_32','1'), ('ANSI','1')],
'ansi-legacy': [('CONFIG_32','1'), ('ANSI','1'),
('LEGACY_COMPILER','1')],
'universal': [('UNIVERSAL','1')]
}
cc= sysconfig.get_config_var('CC')
sizeof_size_t= sysconfig.get_config_var('SIZEOF_SIZE_T')
machine= os.environ.get('PYTHON_DECIMAL_WITH_MACHINE')
if machine:
# Override automatic configuration to facilitate testing.
define_macros= config[machine]
elifMACOS:
# Universal here means: build with the same options Python
# was built with.
define_macros= config['universal']
elif sizeof_size_t==8:
if sysconfig.get_config_var('HAVE_GCC_ASM_FOR_X64'):
define_macros= config['x64']
elif sysconfig.get_config_var('HAVE_GCC_UINT128_T'):
define_macros= config['uint128']
else:
define_macros= config['ansi64']
elif sizeof_size_t==4:
ppro= sysconfig.get_config_var('HAVE_GCC_ASM_FOR_X87')
if pproand ('gcc'in ccor'clang'in cc)and \
not'sunos'inHOST_PLATFORM:
# solaris: problems with register allocation.
# icc >= 11.0 works as well.
define_macros= config['ppro']
extra_compile_args.append('-Wno-unknown-pragmas')
else:
define_macros= config['ansi32']
else:
raise DistutilsError("_decimal: unsupported architecture")
# Workarounds for toolchain bugs:
if sysconfig.get_config_var('HAVE_IPA_PURE_CONST_BUG'):
# Some versions of gcc miscompile inline asm:
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46491
# http://gcc.gnu.org/ml/gcc/2010-11/msg00366.html
extra_compile_args.append('-fno-ipa-pure-const')
if sysconfig.get_config_var('HAVE_GLIBC_MEMMOVE_BUG'):
# _FORTIFY_SOURCE wrappers for memmove and bcopy are incorrect:
# http://sourceware.org/ml/libc-alpha/2010-12/msg00009.html
undef_macros.append('_FORTIFY_SOURCE')
# Uncomment for extra functionality:
#define_macros.append(('EXTRA_FUNCTIONALITY', 1))
self.add(Extension('_decimal',
include_dirs=include_dirs,
libraries=libraries,
define_macros=define_macros,
undef_macros=undef_macros,
extra_compile_args=extra_compile_args,
sources=sources,
depends=depends))
defdetect_openssl_hashlib(self):
# Detect SSL support for the socket module (via _ssl)
config_vars= sysconfig.get_config_vars()
defsplit_var(name,sep):
# poor man's shlex, the re module is not available yet.
value= config_vars.get(name)
ifnot value:
return ()
# This trick works because ax_check_openssl uses --libs-only-L,
# --libs-only-l, and --cflags-only-I.
value=''+ value
sep=''+ sep
return [v.strip()for vin value.split(sep)if v.strip()]
openssl_includes= split_var('OPENSSL_INCLUDES','-I')
openssl_libdirs= split_var('OPENSSL_LDFLAGS','-L')
openssl_libs= split_var('OPENSSL_LIBS','-l')
ifnot openssl_libs:
# libssl and libcrypto not found
returnNone,None
# Find OpenSSL includes
ssl_incs= find_file(
'openssl/ssl.h',self.inc_dirs, openssl_includes
)
if ssl_incsisNone:
returnNone,None
# OpenSSL 1.0.2 uses Kerberos for KRB5 ciphers
krb5_h= find_file(
'krb5.h',self.inc_dirs,
['/usr/kerberos/include']
)
if krb5_h:
ssl_incs.extend(krb5_h)
if config_vars.get("HAVE_X509_VERIFY_PARAM_SET1_HOST"):
self.add(Extension('_ssl', ['_ssl.c'],
include_dirs=openssl_includes,
library_dirs=openssl_libdirs,
libraries=openssl_libs,
depends=['socketmodule.h']))
else:
self.missing.append('_ssl')
self.add(Extension('_hashlib', ['_hashopenssl.c'],
depends=['hashlib.h'],
include_dirs=openssl_includes,
library_dirs=openssl_libdirs,
libraries=openssl_libs))
# We always compile these even when OpenSSL is available (issue #14693).
# It's harmless and the object code is tiny (40-50 KiB per module,
# only loaded when actually used).
self.add(Extension('_sha256', ['sha256module.c'],
depends=['hashlib.h']))
self.add(Extension('_sha512', ['sha512module.c'],
depends=['hashlib.h']))
self.add(Extension('_md5', ['md5module.c'],
depends=['hashlib.h']))
self.add(Extension('_sha1', ['sha1module.c'],
depends=['hashlib.h']))
blake2_deps= glob(os.path.join(self.srcdir,
'Modules/_blake2/impl/*'))
blake2_deps.append('hashlib.h')
self.add(Extension('_blake2',
['_blake2/blake2module.c',
'_blake2/blake2b_impl.c',
'_blake2/blake2s_impl.c'],
depends=blake2_deps))
sha3_deps= glob(os.path.join(self.srcdir,
'Modules/_sha3/kcp/*'))
sha3_deps.append('hashlib.h')
self.add(Extension('_sha3',
['_sha3/sha3module.c'],
depends=sha3_deps))
defdetect_nis(self):
ifMS_WINDOWSorCYGWINorHOST_PLATFORM=='qnx6':
self.missing.append('nis')
return
libs= []
library_dirs= []
includes_dirs= []
# bpo-32521: glibc has deprecated Sun RPC for some time. Fedora 28
# moved headers and libraries to libtirpc and libnsl. The headers
# are in tircp and nsl sub directories.
rpcsvc_inc= find_file(
'rpcsvc/yp_prot.h',self.inc_dirs,
[os.path.join(inc_dir,'nsl')for inc_dirinself.inc_dirs]
)
rpc_inc= find_file(
'rpc/rpc.h',self.inc_dirs,
[os.path.join(inc_dir,'tirpc')for inc_dirinself.inc_dirs]
)
if rpcsvc_incisNoneor rpc_incisNone:
# not found
self.missing.append('nis')
return
includes_dirs.extend(rpcsvc_inc)
includes_dirs.extend(rpc_inc)
ifself.compiler.find_library_file(self.lib_dirs,'nsl'):
libs.append('nsl')
else:
# libnsl-devel: check for libnsl in nsl/ subdirectory
nsl_dirs= [os.path.join(lib_dir,'nsl')for lib_dirinself.lib_dirs]
libnsl=self.compiler.find_library_file(nsl_dirs,'nsl')
if libnslisnotNone:
library_dirs.append(os.path.dirname(libnsl))
libs.append('nsl')
ifself.compiler.find_library_file(self.lib_dirs,'tirpc'):
libs.append('tirpc')
self.add(Extension('nis', ['nismodule.c'],
libraries=libs,
library_dirs=library_dirs,
include_dirs=includes_dirs))
classPyBuildInstall(install):
# Suppress the warning about installation into the lib_dynload
# directory, which is not in sys.path when running Python during
# installation:
definitialize_options (self):
install.initialize_options(self)
self.warn_dir=0
# Customize subcommands to not install an egg-info file for Python
sub_commands= [('install_lib', install.has_lib),
('install_headers', install.has_headers),
('install_scripts', install.has_scripts),
('install_data', install.has_data)]
classPyBuildInstallLib(install_lib):
# Do exactly what install_lib does but make sure correct access modes get
# set on installed directories and files. All installed files with get
# mode 644 unless they are a shared library in which case they will get
# mode 755. All installed directories will get mode 755.
# this is works for EXT_SUFFIX too, which ends with SHLIB_SUFFIX
shlib_suffix= sysconfig.get_config_var("SHLIB_SUFFIX")
definstall(self):
outfiles= install_lib.install(self)
self.set_file_modes(outfiles,0o644,0o755)
self.set_dir_modes(self.install_dir,0o755)
return outfiles
defset_file_modes(self,files,defaultMode,sharedLibMode):
ifnot files:return
for filenamein files:
if os.path.islink(filename):continue
mode= defaultMode
if filename.endswith(self.shlib_suffix): mode= sharedLibMode
log.info("changing mode of%s to%o", filename, mode)
ifnotself.dry_run: os.chmod(filename, mode)
defset_dir_modes(self,dirname,mode):
for dirpath, dirnames, fnamesin os.walk(dirname):
if os.path.islink(dirpath):
continue
log.info("changing mode of%s to%o", dirpath, mode)
ifnotself.dry_run: os.chmod(dirpath, mode)
classPyBuildScripts(build_scripts):
defcopy_scripts(self):
outfiles, updated_files= build_scripts.copy_scripts(self)
fullversion='-{0[0]}.{0[1]}'.format(sys.version_info)
minoronly='.{0[1]}'.format(sys.version_info)
newoutfiles= []
newupdated_files= []
for filenamein outfiles:
if filename.endswith('2to3'):
newfilename= filename+ fullversion
else:
newfilename= filename+ minoronly
log.info('renaming%s to%s', filename, newfilename)
os.rename(filename, newfilename)
newoutfiles.append(newfilename)
if filenamein updated_files:
newupdated_files.append(newfilename)
return newoutfiles, newupdated_files
defmain():
set_compiler_flags('CFLAGS','PY_CFLAGS_NODIST')
set_compiler_flags('LDFLAGS','PY_LDFLAGS_NODIST')
classDummyProcess:
"""Hack for parallel build"""
ProcessPoolExecutor=None
sys.modules['concurrent.futures.process']= DummyProcess
# turn off warnings when deprecated modules are imported
import warnings
warnings.filterwarnings("ignore",category=DeprecationWarning)
setup(# PyPI Metadata (PEP 301)
name="Python",
version= sys.version.split()[0],
url="http://www.python.org/%d.%d"% sys.version_info[:2],
maintainer="Guido van Rossum and the Python community",
maintainer_email="python-dev@python.org",
description="A high-level object-oriented programming language",
long_description=SUMMARY.strip(),
license="PSF license",
classifiers= [xfor xinCLASSIFIERS.split("\n")if x],
platforms= ["Many"],
# Build info
cmdclass= {'build_ext': PyBuildExt,
'build_scripts': PyBuildScripts,
'install': PyBuildInstall,
'install_lib': PyBuildInstallLib},
# The struct module is defined here, because build_ext won't be
# called unless there's at least one extension module defined.
ext_modules=[Extension('_struct', ['_struct.c'])],
# If you change the scripts installed here, you also need to
# check the PyBuildScripts command above, and change the links
# created by the bininstall target in Makefile.pre.in
scripts= ["Tools/scripts/pydoc3","Tools/scripts/idle3",
"Tools/scripts/2to3"]
)
# --install-platlib
if__name__=='__main__':
main()
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