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"""misc build utility functions"""
# Copyright (c) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.
import os
import sys
import logging
from distutils import ccompiler
from distutils.sysconfig import customize_compiler
from pipes import quote
from subprocess import Popen, PIPE
pjoin = os.path.join
if sys.version_info[0] >= 3:
u = lambda x: x
else:
u = lambda x: x.decode('utf8', 'replace')
def customize_mingw(cc):
# strip -mno-cygwin from mingw32 (Python Issue #12641)
for cmd in [cc.compiler, cc.compiler_cxx, cc.compiler_so, cc.linker_exe, cc.linker_so]:
if '-mno-cygwin' in cmd:
cmd.remove('-mno-cygwin')
# remove problematic msvcr90
if 'msvcr90' in cc.dll_libraries:
cc.dll_libraries.remove('msvcr90')
def get_compiler(compiler, **compiler_attrs):
"""get and customize a compiler"""
if compiler is None or isinstance(compiler, str):
cc = ccompiler.new_compiler(compiler=compiler)
customize_compiler(cc)
if cc.compiler_type == 'mingw32':
customize_mingw(cc)
else:
cc = compiler
for name, val in compiler_attrs.items():
setattr(cc, name, val)
return cc
def get_output_error(cmd):
"""Return the exit status, stdout, stderr of a command"""
if not isinstance(cmd, list):
cmd = [cmd]
logging.debug("Running: %s", ' '.join(map(quote, cmd)))
try:
result = Popen(cmd, stdout=PIPE, stderr=PIPE)
except IOError as e:
return -1, u(''), u('Failed to run %r: %r' % (cmd, e))
so, se = result.communicate()
# unicode:
so = so.decode('utf8', 'replace')
se = se.decode('utf8', 'replace')
return result.returncode, so, se
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