Make EXTRAS work for SConsopts too.
Requires pushing source files down into 'src' subdir relative to directory listed in EXTRAS. --HG-- extra : convert_revision : ca04adc3e24c60bd3e7b63ca5770b31333d76729
This commit is contained in:
Steve Reinhardt
parent
ca313e2303
commit
d725ff450d
2 changed files with 79 additions and 59 deletions
101
SConstruct
101
SConstruct
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@ -205,6 +205,10 @@ for t in abs_targets:
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if build_path not in build_paths:
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build_paths.append(build_path)
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# Make sure build_root exists (might not if this is the first build there)
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if not isdir(build_root):
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os.mkdir(build_root)
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###################################################
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#
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# Set up the default build environment. This environment is copied
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@ -216,14 +220,6 @@ env = Environment(ENV = os.environ, # inherit user's environment vars
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ROOT = ROOT,
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SRCDIR = SRCDIR)
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#Parse CC/CXX early so that we use the correct compiler for
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# to test for dependencies/versions/libraries/includes
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if ARGUMENTS.get('CC', None):
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env['CC'] = ARGUMENTS.get('CC')
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if ARGUMENTS.get('CXX', None):
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env['CXX'] = ARGUMENTS.get('CXX')
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Export('env')
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env.SConsignFile(joinpath(build_root,"sconsign"))
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@ -240,6 +236,61 @@ env.SetOption('duplicate', 'soft-copy')
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if False:
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env.TargetSignatures('content')
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#
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# Set up global sticky options... these are common to an entire build
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# tree (not specific to a particular build like ALPHA_SE)
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#
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# Option validators & converters for global sticky options
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def PathListMakeAbsolute(val):
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if not val:
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return val
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f = lambda p: os.path.abspath(os.path.expanduser(p))
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return ':'.join(map(f, val.split(':')))
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def PathListAllExist(key, val, env):
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if not val:
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return
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paths = val.split(':')
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for path in paths:
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if not isdir(path):
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raise SCons.Errors.UserError("Path does not exist: '%s'" % path)
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global_sticky_opts_file = joinpath(build_root, 'options.global')
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global_sticky_opts = Options(global_sticky_opts_file, args=ARGUMENTS)
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global_sticky_opts.AddOptions(
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('CC', 'C compiler', os.environ.get('CC', env['CC'])),
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('CXX', 'C++ compiler', os.environ.get('CXX', env['CXX'])),
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('EXTRAS', 'Add Extra directories to the compilation', '',
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PathListAllExist, PathListMakeAbsolute)
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)
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# base help text
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help_text = '''
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Usage: scons [scons options] [build options] [target(s)]
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'''
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help_text += "Global sticky options:\n" \
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+ global_sticky_opts.GenerateHelpText(env)
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# Update env with values from ARGUMENTS & file global_sticky_opts_file
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global_sticky_opts.Update(env)
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# Save sticky option settings back to current options file
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global_sticky_opts.Save(global_sticky_opts_file, env)
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# Parse EXTRAS option to build list of all directories where we're
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# look for sources etc. This list is exported as base_dir_list.
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base_dir_list = [ROOT]
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if env['EXTRAS']:
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base_dir_list += env['EXTRAS'].split(':')
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Export('base_dir_list')
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# M5_PLY is used by isa_parser.py to find the PLY package.
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env.Append(ENV = { 'M5_PLY' : str(Dir('ext/ply')) })
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env['GCC'] = False
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@ -467,28 +518,16 @@ Export('nonsticky_opts')
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# Walk the tree and execute all SConsopts scripts that wil add to the
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# above options
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for root, dirs, files in os.walk('.'):
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if 'SConsopts' in files:
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SConscript(os.path.join(root, 'SConsopts'))
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for base_dir in base_dir_list:
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for root, dirs, files in os.walk(base_dir):
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if 'SConsopts' in files:
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print "Reading", os.path.join(root, 'SConsopts')
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SConscript(os.path.join(root, 'SConsopts'))
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all_isa_list.sort()
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all_cpu_list.sort()
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default_cpus.sort()
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def PathListMakeAbsolute(val):
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if not val:
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return val
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f = lambda p: os.path.abspath(os.path.expanduser(p))
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return ':'.join(map(f, val.split(':')))
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def PathListAllExist(key, val, env):
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if not val:
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return
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paths = val.split(':')
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for path in paths:
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if not isdir(path):
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raise SCons.Errors.UserError("Path does not exist: '%s'" % path)
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sticky_opts.AddOptions(
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EnumOption('TARGET_ISA', 'Target ISA', 'alpha', all_isa_list),
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BoolOption('FULL_SYSTEM', 'Full-system support', False),
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@ -509,15 +548,11 @@ sticky_opts.AddOptions(
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BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql),
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BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv),
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BoolOption('USE_CHECKER', 'Use checker for detailed CPU models', False),
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('CC', 'C compiler', os.environ.get('CC', env['CC'])),
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('CXX', 'C++ compiler', os.environ.get('CXX', env['CXX'])),
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BoolOption('BATCH', 'Use batch pool for build and tests', False),
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('BATCH_CMD', 'Batch pool submission command name', 'qdo'),
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('PYTHONHOME',
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'Override the default PYTHONHOME for this system (use with caution)',
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'%s:%s' % (sys.prefix, sys.exec_prefix)),
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('EXTRAS', 'Add Extra directories to the compilation', '',
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PathListAllExist, PathListMakeAbsolute)
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)
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nonsticky_opts.AddOptions(
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@ -607,12 +642,6 @@ concat_builder = Builder(action = Action(['cat $SOURCES > $TARGET',
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env.Append(BUILDERS = { 'Concat' : concat_builder })
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# base help text
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help_text = '''
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Usage: scons [scons options] [build options] [target(s)]
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'''
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# libelf build is shared across all configs in the build root.
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env.SConscript('ext/libelf/SConscript',
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build_dir = joinpath(build_root, 'libelf'),
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@ -712,7 +741,7 @@ for build_path in build_paths:
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sticky_opts.Update(env)
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nonsticky_opts.Update(env)
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help_text += "Sticky options for %s:\n" % build_dir \
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help_text += "\nSticky options for %s:\n" % build_dir \
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+ sticky_opts.GenerateHelpText(env) \
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+ "\nNon-sticky options for %s:\n" % build_dir \
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+ nonsticky_opts.GenerateHelpText(env)
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@ -33,7 +33,7 @@ import os
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import sys
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from os.path import basename
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from os.path import join as joinpath
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from os.path import isdir, join as joinpath
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from os.path import exists
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from os.path import isdir
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from os.path import isfile
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@ -181,31 +181,22 @@ env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())])
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########################################################################
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#
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# Walk the tree and execute all SConscripts
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# Walk the tree and execute all SConscripts in 'src' subdirectories
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#
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srcdir = env['SRCDIR']
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for root, dirs, files in os.walk(srcdir, topdown=True):
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if root == srcdir:
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# we don't want to recurse back into this SConscript
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for base_dir in base_dir_list:
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src_dir = joinpath(base_dir, 'src')
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if not isdir(src_dir):
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continue
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here = Dir('.').srcnode().abspath
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for root, dirs, files in os.walk(src_dir, topdown=True):
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if root == here:
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# we don't want to recurse back into this SConscript
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continue
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if 'SConscript' in files:
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# strip off the srcdir part since scons will try to find the
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# script in the build directory
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base = root[len(srcdir) + 1:]
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SConscript(joinpath(base, 'SConscript'))
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extra_string = env['EXTRAS']
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if extra_string and extra_string != '' and not extra_string.isspace():
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for extra in extra_string.split(':'):
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print 'Adding', extra, 'to source directory list'
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env.Append(CPPPATH=[Dir(extra)])
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for root, dirs, files in os.walk(extra, topdown=True):
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if 'SConscript' in files:
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subdir = root[len(os.path.dirname(extra))+1:]
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print ' Found SConscript in', subdir
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build_dir = joinpath(env['BUILDDIR'], subdir)
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SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
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if 'SConscript' in files:
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build_dir = joinpath(env['BUILDDIR'], root[len(src_dir) + 1:])
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SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
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for opt in env.ExportOptions:
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env.ConfigFile(opt)
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