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# functions for handling cross-compilation
import pproc, Utils
from Configure import conf
from pproc import Popen
real_Popen = None
class cross_Popen(Popen):
'''cross-compilation wrapper for Popen'''
def __init__(*k, **kw):
(obj, args) = k
if '--cross-execute' in args:
# when --cross-execute is set, then change the arguments
# to use the cross emulator
i = args.index('--cross-execute')
newargs = args[i+1].split()
newargs.extend(args[0:i])
args = newargs
Popen.__init__(*(obj, args), **kw)
@conf
def SAMBA_CROSS_ARGS(conf):
'''get exec_args to pass when running cross compiled binaries'''
if not conf.env.CROSS_COMPILE or not conf.env.CROSS_EXECUTE:
return []
global real_Popen
if real_Popen is None:
real_Popen = Utils.pproc.Popen
Utils.pproc.Popen = cross_Popen
return ['--cross-execute', conf.env.CROSS_EXECUTE]
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