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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940#
941# Define binaries. Each different build type (debug, opt, etc.) gets
942# a slightly different build environment.
943#
944
945# List of constructed environments to pass back to SConstruct
946date_source = Source('base/date.cc', skip_lib=True)
947
948# Function to create a new build environment as clone of current
949# environment 'env' with modified object suffix and optional stripped
950# binary. Additional keyword arguments are appended to corresponding
951# build environment vars.
952def makeEnv(env, label, objsfx, strip=False, disable_partial=False, **kwargs):
953 # SCons doesn't know to append a library suffix when there is a '.' in the
954 # name. Use '_' instead.
955 libname = 'gem5_' + label
956 exename = 'gem5.' + label
957 secondary_exename = 'm5.' + label
958
959 new_env = env.Clone(OBJSUFFIX=objsfx, SHOBJSUFFIX=objsfx + 's')
960 new_env.Label = label
961 new_env.Append(**kwargs)
962
963 if env['GCC']:
964 # The address sanitizer is available for gcc >= 4.8
965 if GetOption('with_asan'):

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1088 main_objs = [ make_obj(s, True) for s in Source.get(main=True) ]
1089
1090 for test in UnitTest.all:
1091 flags = { test.target : True }
1092 test_sources = Source.get(**flags)
1093 test_objs = [ make_obj(s, static=True) for s in test_sources ]
1094 if test.main:
1095 test_objs += main_objs
1096 path = 'unittest/%s.%s' % (test.target, label)
1097 new_env.Program(path, test_objs + static_objs)
1098
1099 progname = exename
1100 if strip:
1101 progname += '.unstripped'
1102
1103 targets = new_env.Program(progname, main_objs + static_objs)
1104

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1112
1113 new_env.Command(secondary_exename, exename,
1114 MakeAction('ln $SOURCE $TARGET', Transform("HARDLINK")))
1115
1116 new_env.M5Binary = targets[0]
1117
1118 # Set up regression tests.
1119 SConscript(os.path.join(env.root.abspath, 'tests', 'SConscript'),
1120 variant_dir=Dir('tests').Dir(new_env.Label).path,
1121 exports={ 'env' : new_env }, duplicate=False)
1122
1123# Start out with the compiler flags common to all compilers,
1124# i.e. they all use -g for opt and -g -pg for prof
1125ccflags = {'debug' : [], 'opt' : ['-g'], 'fast' : [], 'prof' : ['-g', '-pg'],
1126 'perf' : ['-g']}
1127
1128# Start out with the linker flags common to all linkers, i.e. -pg for

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1179 if match and match.group(1) in target_types:
1180 return match.group(1)
1181 return 'all'
1182
1183needed_envs = [identifyTarget(target) for target in BUILD_TARGETS]
1184if 'all' in needed_envs:
1185 needed_envs += target_types
1186
1187# Debug binary
1188if 'debug' in needed_envs:
1189 makeEnv(env, 'debug', '.do',
1190 CCFLAGS = Split(ccflags['debug']),
1191 CPPDEFINES = ['DEBUG', 'TRACING_ON=1'],
1192 LINKFLAGS = Split(ldflags['debug']))
1193
1194# Optimized binary
1195if 'opt' in needed_envs:
1196 makeEnv(env, 'opt', '.o',
1197 CCFLAGS = Split(ccflags['opt']),
1198 CPPDEFINES = ['TRACING_ON=1'],
1199 LINKFLAGS = Split(ldflags['opt']))
1200
1201# "Fast" binary
1202if 'fast' in needed_envs:
1203 disable_partial = \
1204 env.get('BROKEN_INCREMENTAL_LTO', False) and \
1205 GetOption('force_lto')
1206 makeEnv(env, 'fast', '.fo', strip = True,
1207 CCFLAGS = Split(ccflags['fast']),
1208 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
1209 LINKFLAGS = Split(ldflags['fast']),
1210 disable_partial=disable_partial)
1211
1212# Profiled binary using gprof
1213if 'prof' in needed_envs:
1214 makeEnv(env, 'prof', '.po',
1215 CCFLAGS = Split(ccflags['prof']),
1216 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
1217 LINKFLAGS = Split(ldflags['prof']))
1218
1219# Profiled binary using google-pprof
1220if 'perf' in needed_envs:
1221 makeEnv(env, 'perf', '.gpo',
1222 CCFLAGS = Split(ccflags['perf']),
1223 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
1224 LINKFLAGS = Split(ldflags['perf']))