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# $Header: /var/local/cvsroot/4Suite/Ft/Lib/DistExt/__init__.py,v 1.15 2005/03/03 09:33:58 mbrown Exp $
"""
Extensions to distutils to support building, installing, packaging 4Suite
Copyright 2005 Fourthought, Inc. (USA).
Detailed license and copyright information: http://4suite.org/COPYRIGHT
Project home, documentation, distributions: http://4suite.org/
"""
# Make sure that we are using the proper version of Distutils
# We make certain assumptions about the implementation
def EnsureVersion(version):
"""Checks Distutils version against specified version number"""
# We need to use LooseVersions because of distutils in Python 2.1
try:
import distutils
except ImportError:
raise ImportError('Requires distutils v%s or newer.\n'
'No distutils found.' % version)
from distutils import __version__
from distutils.version import LooseVersion
dist_version = LooseVersion(__version__)
expected = LooseVersion(version)
if expected > dist_version:
raise ImportError('Requires distutils v%s or newer.\n'
'Found version %s.' % (expected, dist_version))
return
EnsureVersion('1.0.2')
# For convienence of script writers
from distutils.extension import Extension
from Structures import *
# -- Fixup various compatibility issues --------------------------------
import sys, os
from distutils import sysconfig
# Fix broken Mac OSX Jaguar Python
if sys.platform.startswith("darwin"):
vars = sysconfig.get_config_vars()
# The Makefile vars are already expanded, replace all uses of LDFLAGS
for name in ('LDFLAGS', 'LDSHARED', 'BLDSHARED'):
if vars[name].find('-arch i386') != -1:
vars[name] = vars[name].replace('-arch i386', '')
del name
del vars
# Allow environment vars to override settings from the Makefile
if sys.version < '2.3':
# Replace with version from Python 2.3
def customize_compiler(compiler):
"""Do any platform-specific customization of a CCompiler instance.
Mainly needed on Unix, so we can plug in the information that
varies across Unices and is stored in Python's Makefile.
"""
if compiler.compiler_type == "unix":
(cc, cxx, opt, basecflags, ccshared, ldshared, so_ext) = \
sysconfig.get_config_vars('CC', 'CXX', 'OPT', 'BASECFLAGS',
'CCSHARED', 'LDSHARED', 'SO')
if os.environ.has_key('CC'):
cc = os.environ['CC']
if os.environ.has_key('CXX'):
cxx = os.environ['CXX']
if os.environ.has_key('CPP'):
cpp = os.environ['CPP']
else:
cpp = cc + " -E" # not always
if os.environ.has_key('LDFLAGS'):
ldshared = ldshared + ' ' + os.environ['LDFLAGS']
if basecflags:
opt = basecflags + ' ' + opt
if os.environ.has_key('CFLAGS'):
opt = opt + ' ' + os.environ['CFLAGS']
ldshared = ldshared + ' ' + os.environ['CFLAGS']
if os.environ.has_key('CPPFLAGS'):
cpp = cpp + ' ' + os.environ['CPPFLAGS']
opt = opt + ' ' + os.environ['CPPFLAGS']
ldshared = ldshared + ' ' + os.environ['CPPFLAGS']
cc_cmd = cc + ' ' + opt
compiler.set_executables(
preprocessor=cpp,
compiler=cc_cmd,
compiler_so=cc_cmd + ' ' + ccshared,
linker_so=ldshared,
linker_exe=cc)
compiler.shared_lib_extension = so_ext
sysconfig.customize_compiler = customize_compiler
del customize_compiler
del sys
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