1# -*- mode:python -*-
2
3# Copyright (c) 2004-2005 The Regents of The University of Michigan
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright

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164env.Append(CCFLAGS='-pipe')
165env.Append(CCFLAGS='-fno-strict-aliasing')
166env.Append(CCFLAGS=Split('-Wall -Wno-sign-compare -Werror -Wundef'))
167if sys.platform == 'cygwin':
168 # cygwin has some header file issues...
169 env.Append(CCFLAGS=Split("-Wno-uninitialized"))
170env.Append(CPPPATH=[Dir('ext/dnet')])
171
172# Default libraries
173env.Append(LIBS=['z'])
174
175# Platform-specific configuration. Note again that we assume that all
176# builds under a given build root run on the same host platform.
177conf = Configure(env,
178 conf_dir = os.path.join(build_root, '.scons_config'),
179 log_file = os.path.join(build_root, 'scons_config.log'))
180

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212
213env = conf.Finish()
214
215# Define the universe of supported ISAs
216env['ALL_ISA_LIST'] = ['alpha', 'sparc', 'mips']
217
218# Define the universe of supported CPU models
219env['ALL_CPU_LIST'] = ['AtomicSimpleCPU', 'TimingSimpleCPU',
220 'FullCPU', 'AlphaFullCPU',
221 'OzoneSimpleCPU', 'OzoneCPU', 'CheckerCPU']
222
223# Sticky options get saved in the options file so they persist from
224# one invocation to the next (unless overridden, in which case the new
225# value becomes sticky).
226sticky_opts = Options(args=ARGUMENTS)
227sticky_opts.AddOptions(
228 EnumOption('TARGET_ISA', 'Target ISA', 'alpha', env['ALL_ISA_LIST']),
229 BoolOption('FULL_SYSTEM', 'Full-system support', False),

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306 val = int(eval(str(env[option])))
307 # Sources are option name & value (packaged in SCons Value nodes)
308 return ([target], [Value(option), Value(val)])
309
310config_builder = Builder(emitter = config_emitter, action = config_action)
311
312env.Append(BUILDERS = { 'ConfigFile' : config_builder })
313
314# base help text
315help_text = '''
316Usage: scons [scons options] [build options] [target(s)]
317
318'''
319
320# libelf build is shared across all configs in the build root.
321env.SConscript('ext/libelf/SConscript',

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