mirror of
https://github.com/python/cpython.git
synced 2025-07-23 19:25:40 +00:00
bpo-45798: Move _decimal build setup into configure (GH-29541)
Settings for :mod:`decimal` internal C extension are now detected by :program:`configure`. The bundled `libmpdec` library is built in ``Makefile``. Signed-off-by: Christian Heimes <christian@python.org>
This commit is contained in:
Christian Heimes
GitHub
parent
4c792f39e6
commit
0486570f7b
7 changed files with 313 additions and 112 deletions
121
setup.py
121
setup.py
|
|
@ -7,6 +7,7 @@ import importlib.util
|
|||
import logging
|
||||
import os
|
||||
import re
|
||||
import shlex
|
||||
import sys
|
||||
import sysconfig
|
||||
import warnings
|
||||
|
|
@ -2016,117 +2017,27 @@ class PyBuildExt(build_ext):
|
|||
|
||||
def detect_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 = ['mpdec']
|
||||
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/mpalloc.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]
|
||||
elif MACOS:
|
||||
# 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 ppro and ('gcc' in cc or 'clang' in cc) and \
|
||||
not 'sunos' in HOST_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:
|
||||
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46491
|
||||
# https://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:
|
||||
# https://sourceware.org/ml/libc-alpha/2010-12/msg00009.html
|
||||
undef_macros.append('_FORTIFY_SOURCE')
|
||||
sources = ['_decimal/_decimal.c']
|
||||
depends = ['_decimal/docstrings.h']
|
||||
define_macros = []
|
||||
|
||||
cflags = sysconfig.get_config_var("DECIMAL_CFLAGS")
|
||||
extra_compile_args = shlex.split(cflags) if cflags else None
|
||||
# ldflags includes either system libmpdec or full path to
|
||||
# our static libmpdec.a.
|
||||
ldflags = sysconfig.get_config_var("DECIMAL_LDFLAGS")
|
||||
extra_link_args = shlex.split(ldflags) if ldflags else None
|
||||
|
||||
libmpdec_a = sysconfig.get_config_var("LIBMPDEC_A")
|
||||
if libmpdec_a:
|
||||
depends.append(libmpdec_a)
|
||||
|
||||
# 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,
|
||||
extra_link_args=extra_link_args,
|
||||
sources=sources,
|
||||
depends=depends))
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue