SConstruct revision 2665
1360SN/A# -*- mode:python -*- 21458SN/A 3360SN/A# Copyright (c) 2004-2005 The Regents of The University of Michigan 4360SN/A# All rights reserved. 5360SN/A# 6360SN/A# Redistribution and use in source and binary forms, with or without 7360SN/A# modification, are permitted provided that the following conditions are 8360SN/A# met: redistributions of source code must retain the above copyright 9360SN/A# notice, this list of conditions and the following disclaimer; 10360SN/A# redistributions in binary form must reproduce the above copyright 11360SN/A# notice, this list of conditions and the following disclaimer in the 12360SN/A# documentation and/or other materials provided with the distribution; 13360SN/A# neither the name of the copyright holders nor the names of its 14360SN/A# contributors may be used to endorse or promote products derived from 15360SN/A# this software without specific prior written permission. 16360SN/A# 17360SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18360SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19360SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20360SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21360SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22360SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23360SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24360SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25360SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26360SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 272665Ssaidi@eecs.umich.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 282665Ssaidi@eecs.umich.edu# 292665Ssaidi@eecs.umich.edu# Authors: Steve Reinhardt 30360SN/A 31360SN/A################################################### 321354SN/A# 331354SN/A# SCons top-level build description (SConstruct) file. 34360SN/A# 352764Sstever@eecs.umich.edu# While in this directory ('m5'), just type 'scons' to build the default 362764Sstever@eecs.umich.edu# configuration (see below), or type 'scons build/<CONFIG>/<binary>' 372064SN/A# to build some other configuration (e.g., 'build/ALPHA_FS/m5.opt' for 38360SN/A# the optimized full-system version). 39360SN/A# 40360SN/A# You can build M5 in a different directory as long as there is a 41360SN/A# 'build/<CONFIG>' somewhere along the target path. The build system 42360SN/A# expdects that all configs under the same build directory are being 43360SN/A# built for the same host system. 441809SN/A# 455543Ssaidi@eecs.umich.edu# Examples: 461809SN/A# These two commands are equivalent. The '-u' option tells scons to 473113Sgblack@eecs.umich.edu# search up the directory tree for this SConstruct file. 488229Snate@binkert.org# % cd <path-to-src>/m5 ; scons build/ALPHA_FS/m5.debug 498229Snate@binkert.org# % cd <path-to-src>/m5/build/ALPHA_FS; scons -u m5.debug 503113Sgblack@eecs.umich.edu# These two commands are equivalent and demonstrate building in a 517075Snate@binkert.org# directory outside of the source tree. The '-C' option tells scons 528229Snate@binkert.org# to chdir to the specified directory to find this SConstruct file. 537075Snate@binkert.org# % cd <path-to-src>/m5 ; scons /local/foo/build/ALPHA_FS/m5.debug 54360SN/A# % cd /local/foo/build/ALPHA_FS; scons -C <path-to-src>/m5 m5.debug 552474SN/A# 565543Ssaidi@eecs.umich.edu# You can use 'scons -H' to print scons options. If you're in this 572462SN/A# 'm5' directory (or use -u or -C to tell scons where to find this 581354SN/A# file), you can use 'scons -h' to print all the M5-specific build 596216Snate@binkert.org# options as well. 606658Snate@binkert.org# 612474SN/A################################################### 622680Sktlim@umich.edu 638232Snate@binkert.org# Python library imports 648229Snate@binkert.orgimport sys 658706Sandreas.hansson@arm.comimport os 667678Sgblack@eecs.umich.edu 678229Snate@binkert.org# Check for recent-enough Python and SCons versions. If your system's 688766Sgblack@eecs.umich.edu# default installation of Python is not recent enough, you can use a 696640Svince@csl.cornell.edu# non-default installation of the Python interpreter by either (1) 70360SN/A# rearranging your PATH so that scons finds the non-default 'python' 71360SN/A# first or (2) explicitly invoking an alternative interpreter on the 72360SN/A# scons script, e.g., "/usr/local/bin/python2.4 `which scons` [args]". 73360SN/AEnsurePythonVersion(2,4) 74360SN/A 75360SN/A# Ironically, SCons 0.96 dies if you give EnsureSconsVersion a 76360SN/A# 3-element version number. 77360SN/Amin_scons_version = (0,96,91) 78378SN/Atry: 791450SN/A EnsureSConsVersion(*min_scons_version) 803114Sgblack@eecs.umich.eduexcept: 81360SN/A print "Error checking current SCons version." 825543Ssaidi@eecs.umich.edu print "SCons", ".".join(map(str,min_scons_version)), "or greater required." 835543Ssaidi@eecs.umich.edu Exit(2) 845543Ssaidi@eecs.umich.edu 85360SN/A 86360SN/A# The absolute path to the current directory (where this file lives). 87360SN/AROOT = Dir('.').abspath 88360SN/A 89360SN/A# Paths to the M5 and external source trees. 902680Sktlim@umich.eduSRCDIR = os.path.join(ROOT, 'src') 91360SN/A 92360SN/A# tell python where to find m5 python code 93360SN/Asys.path.append(os.path.join(ROOT, 'src/python')) 94360SN/A 95360SN/A################################################### 96360SN/A# 97360SN/A# Figure out which configurations to set up based on the path(s) of 98360SN/A# the target(s). 99360SN/A# 100360SN/A################################################### 101360SN/A 1023114Sgblack@eecs.umich.edu# Find default configuration & binary. 103360SN/ADefault(os.environ.get('M5_DEFAULT_BINARY', 'build/ALPHA_SE/m5.debug')) 104360SN/A 105360SN/A# Ask SCons which directory it was invoked from. 106360SN/Alaunch_dir = GetLaunchDir() 107360SN/A 108360SN/A# Make targets relative to invocation directory 109360SN/Aabs_targets = map(lambda x: os.path.normpath(os.path.join(launch_dir, str(x))), 110360SN/A BUILD_TARGETS) 111360SN/A 112360SN/A# helper function: find last occurrence of element in list 113360SN/Adef rfind(l, elt, offs = -1): 114360SN/A for i in range(len(l)+offs, 0, -1): 115360SN/A if l[i] == elt: 116360SN/A return i 117360SN/A raise ValueError, "element not found" 118360SN/A 119360SN/A# Each target must have 'build' in the interior of the path; the 120360SN/A# directory below this will determine the build parameters. For 121360SN/A# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we 122360SN/A# recognize that ALPHA_SE specifies the configuration because it 123360SN/A# follow 'build' in the bulid path. 1248852Sandreas.hansson@arm.com 125360SN/A# Generate a list of the unique build roots and configs that the 1268852Sandreas.hansson@arm.com# collected targets reference. 1275543Ssaidi@eecs.umich.edubuild_paths = [] 128360SN/Abuild_root = None 129360SN/Afor t in abs_targets: 130360SN/A path_dirs = t.split('/') 131360SN/A try: 132360SN/A build_top = rfind(path_dirs, 'build', -2) 1338852Sandreas.hansson@arm.com except: 134360SN/A print "Error: no non-leaf 'build' dir found on target path", t 1358852Sandreas.hansson@arm.com Exit(1) 1365543Ssaidi@eecs.umich.edu this_build_root = os.path.join('/',*path_dirs[:build_top+1]) 137360SN/A if not build_root: 138360SN/A build_root = this_build_root 139360SN/A else: 140360SN/A if this_build_root != build_root: 141360SN/A print "Error: build targets not under same build root\n"\ 142360SN/A " %s\n %s" % (build_root, this_build_root) 143360SN/A Exit(1) 144360SN/A build_path = os.path.join('/',*path_dirs[:build_top+2]) 145360SN/A if build_path not in build_paths: 146360SN/A build_paths.append(build_path) 147360SN/A 148360SN/A################################################### 149360SN/A# 1505543Ssaidi@eecs.umich.edu# Set up the default build environment. This environment is copied 151360SN/A# and modified according to each selected configuration. 152360SN/A# 153360SN/A################################################### 154360SN/A 155360SN/Aenv = Environment(ENV = os.environ, # inherit user's environment vars 156360SN/A ROOT = ROOT, 157360SN/A SRCDIR = SRCDIR) 158360SN/A 159360SN/Aenv.SConsignFile("sconsign") 160360SN/A 161360SN/A# I waffle on this setting... it does avoid a few painful but 162360SN/A# unnecessary builds, but it also seems to make trivial builds take 163360SN/A# noticeably longer. 164360SN/Aif False: 165360SN/A env.TargetSignatures('content') 166360SN/A 167360SN/A# M5_PLY is used by isa_parser.py to find the PLY package. 1685543Ssaidi@eecs.umich.eduenv.Append(ENV = { 'M5_PLY' : Dir('ext/ply') }) 1695543Ssaidi@eecs.umich.edu 170502SN/A# Set up default C++ compiler flags 171360SN/Aenv.Append(CCFLAGS='-pipe') 172360SN/Aenv.Append(CCFLAGS='-fno-strict-aliasing') 173360SN/Aenv.Append(CCFLAGS=Split('-Wall -Wno-sign-compare -Werror -Wundef')) 174360SN/Aif sys.platform == 'cygwin': 175360SN/A # cygwin has some header file issues... 176360SN/A env.Append(CCFLAGS=Split("-Wno-uninitialized")) 177360SN/Aenv.Append(CPPPATH=[Dir('ext/dnet')]) 178360SN/A 179360SN/A# Find Python include and library directories for embedding the 180360SN/A# interpreter. For consistency, we will use the same Python 181360SN/A# installation used to run scons (and thus this script). If you want 182378SN/A# to link in an alternate version, see above for instructions on how 1831706SN/A# to invoke scons with a different copy of the Python interpreter. 1843114Sgblack@eecs.umich.edu 185378SN/A# Get brief Python version name (e.g., "python2.4") for locating 186378SN/A# include & library files 187378SN/Apy_version_name = 'python' + sys.version[:3] 188378SN/A 189378SN/A# include path, e.g. /usr/local/include/python2.4 1901706SN/Aenv.Append(CPPPATH = os.path.join(sys.exec_prefix, 'include', py_version_name)) 1913114Sgblack@eecs.umich.eduenv.Append(LIBS = py_version_name) 1928149SChris.Emmons@ARM.com# add library path too if it's not in the default place 1938149SChris.Emmons@ARM.comif sys.exec_prefix != '/usr': 194360SN/A env.Append(LIBPATH = os.path.join(sys.exec_prefix, 'lib')) 1956109Ssanchezd@stanford.edu 1961706SN/A# Other default libraries 1973114Sgblack@eecs.umich.eduenv.Append(LIBS=['z']) 198378SN/A 1996109Ssanchezd@stanford.edu# Platform-specific configuration. Note again that we assume that all 2006109Ssanchezd@stanford.edu# builds under a given build root run on the same host platform. 2016109Ssanchezd@stanford.educonf = Configure(env, 2026109Ssanchezd@stanford.edu conf_dir = os.path.join(build_root, '.scons_config'), 203378SN/A log_file = os.path.join(build_root, 'scons_config.log')) 2041706SN/A 2053114Sgblack@eecs.umich.edu# Check for <fenv.h> (C99 FP environment control) 206378SN/Ahave_fenv = conf.CheckHeader('fenv.h', '<>') 2075748SSteve.Reinhardt@amd.comif not have_fenv: 2085748SSteve.Reinhardt@amd.com print "Warning: Header file <fenv.h> not found." 2095748SSteve.Reinhardt@amd.com print " This host has no IEEE FP rounding mode control." 210378SN/A 211378SN/A# Check for mysql. 2121706SN/Amysql_config = WhereIs('mysql_config') 2133114Sgblack@eecs.umich.eduhave_mysql = mysql_config != None 214378SN/A 215378SN/A# Check MySQL version. 2161706SN/Aif have_mysql: 2173114Sgblack@eecs.umich.edu mysql_version = os.popen(mysql_config + ' --version').read() 218378SN/A mysql_version = mysql_version.split('.') 219378SN/A mysql_major = int(mysql_version[0]) 2201706SN/A mysql_minor = int(mysql_version[1]) 2213114Sgblack@eecs.umich.edu # This version check is probably overly conservative, but it deals 222378SN/A # with the versions we have installed. 223378SN/A if mysql_major < 4 or (mysql_major == 4 and mysql_minor < 1): 2241706SN/A print "Warning: MySQL v4.1 or newer required." 2253114Sgblack@eecs.umich.edu have_mysql = False 226378SN/A 2274118Sgblack@eecs.umich.edu# Set up mysql_config commands. 2284118Sgblack@eecs.umich.eduif have_mysql: 2294118Sgblack@eecs.umich.edu mysql_config_include = mysql_config + ' --include' 2304118Sgblack@eecs.umich.edu if os.system(mysql_config_include + ' > /dev/null') != 0: 231378SN/A # older mysql_config versions don't support --include, use 2321706SN/A # --cflags instead 2333114Sgblack@eecs.umich.edu mysql_config_include = mysql_config + ' --cflags | sed s/\\\'//g' 234378SN/A # This seems to work in all versions 235378SN/A mysql_config_libs = mysql_config + ' --libs' 2361706SN/A 2373114Sgblack@eecs.umich.eduenv = conf.Finish() 238360SN/A 2395513SMichael.Adler@intel.com# Define the universe of supported ISAs 2405513SMichael.Adler@intel.comenv['ALL_ISA_LIST'] = ['alpha', 'sparc', 'mips'] 2415513SMichael.Adler@intel.com 2425513SMichael.Adler@intel.com# Define the universe of supported CPU models 2435513SMichael.Adler@intel.comenv['ALL_CPU_LIST'] = ['AtomicSimpleCPU', 'TimingSimpleCPU', 2445513SMichael.Adler@intel.com 'FullCPU', 'AlphaFullCPU'] 2455513SMichael.Adler@intel.com 2465513SMichael.Adler@intel.com# Sticky options get saved in the options file so they persist from 247511SN/A# one invocation to the next (unless overridden, in which case the new 2481706SN/A# value becomes sticky). 2493114Sgblack@eecs.umich.edusticky_opts = Options(args=ARGUMENTS) 250511SN/Asticky_opts.AddOptions( 2515513SMichael.Adler@intel.com EnumOption('TARGET_ISA', 'Target ISA', 'alpha', env['ALL_ISA_LIST']), 2525513SMichael.Adler@intel.com BoolOption('FULL_SYSTEM', 'Full-system support', False), 2535513SMichael.Adler@intel.com # There's a bug in scons 0.96.1 that causes ListOptions with list 2545513SMichael.Adler@intel.com # values (more than one value) not to be able to be restored from 255511SN/A # a saved option file. If this causes trouble then upgrade to 2561706SN/A # scons 0.96.90 or later. 2573114Sgblack@eecs.umich.edu ListOption('CPU_MODELS', 'CPU models', 'AtomicSimpleCPU,TimingSimpleCPU', 2581706SN/A env['ALL_CPU_LIST']), 2591706SN/A BoolOption('ALPHA_TLASER', 2601706SN/A 'Model Alpha TurboLaser platform (vs. Tsunami)', False), 2611706SN/A BoolOption('NO_FAST_ALLOC', 'Disable fast object allocator', False), 2623114Sgblack@eecs.umich.edu BoolOption('EFENCE', 'Link with Electric Fence malloc debugger', 2631706SN/A False), 2641706SN/A BoolOption('SS_COMPATIBLE_FP', 2651706SN/A 'Make floating-point results compatible with SimpleScalar', 2661706SN/A False), 2673114Sgblack@eecs.umich.edu BoolOption('USE_SSE2', 2681706SN/A 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', 269511SN/A False), 2706703Svince@csl.cornell.edu BoolOption('STATS_BINNING', 'Bin statistics by CPU mode', have_mysql), 2716703Svince@csl.cornell.edu BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql), 2726703Svince@csl.cornell.edu BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), 2736703Svince@csl.cornell.edu ('CC', 'C compiler', os.environ.get('CC', env['CC'])), 2746685Stjones1@inf.ed.ac.uk ('CXX', 'C++ compiler', os.environ.get('CXX', env['CXX'])), 2756685Stjones1@inf.ed.ac.uk BoolOption('BATCH', 'Use batch pool for build and tests', False), 2766685Stjones1@inf.ed.ac.uk ('BATCH_CMD', 'Batch pool submission command name', 'qdo') 2776685Stjones1@inf.ed.ac.uk ) 2786685Stjones1@inf.ed.ac.uk 2795513SMichael.Adler@intel.com# Non-sticky options only apply to the current build. 2805513SMichael.Adler@intel.comnonsticky_opts = Options(args=ARGUMENTS) 2815513SMichael.Adler@intel.comnonsticky_opts.AddOptions( 2825513SMichael.Adler@intel.com BoolOption('update_ref', 'Update test reference outputs', False) 2835513SMichael.Adler@intel.com ) 2841999SN/A 2851999SN/A# These options get exported to #defines in config/*.hh (see m5/SConscript). 2863114Sgblack@eecs.umich.eduenv.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \ 2871999SN/A 'USE_MYSQL', 'NO_FAST_ALLOC', 'SS_COMPATIBLE_FP', \ 2881999SN/A 'STATS_BINNING'] 2891999SN/A 2901999SN/A# Define a handy 'no-op' action 2913114Sgblack@eecs.umich.edudef no_action(target, source, env): 2921999SN/A return 0 2933079Sstever@eecs.umich.edu 2943079Sstever@eecs.umich.eduenv.NoAction = Action(no_action, None) 2953114Sgblack@eecs.umich.edu 2963079Sstever@eecs.umich.edu################################################### 2972093SN/A# 2982093SN/A# Define a SCons builder for configuration flag headers. 2993114Sgblack@eecs.umich.edu# 3002093SN/A################################################### 3012687Sksewell@umich.edu 3022687Sksewell@umich.edu# This function generates a config header file that #defines the 3033114Sgblack@eecs.umich.edu# option symbol to the current option setting (0 or 1). The source 3042687Sksewell@umich.edu# operands are the name of the option and a Value node containing the 3052238SN/A# value of the option. 3062238SN/Adef build_config_file(target, source, env): 3073114Sgblack@eecs.umich.edu (option, value) = [s.get_contents() for s in source] 3082238SN/A f = file(str(target[0]), 'w') 3092238SN/A print >> f, '#define', option, value 3102238SN/A f.close() 3113114Sgblack@eecs.umich.edu return None 3122238SN/A 3132238SN/A# Generate the message to be printed when building the config file. 3142238SN/Adef build_config_file_string(target, source, env): 3153114Sgblack@eecs.umich.edu (option, value) = [s.get_contents() for s in source] 3162238SN/A return "Defining %s as %s in %s." % (option, value, target[0]) 3172238SN/A 3182238SN/A# Combine the two functions into a scons Action object. 3193114Sgblack@eecs.umich.educonfig_action = Action(build_config_file, build_config_file_string) 3202238SN/A 3212238SN/A# The emitter munges the source & target node lists to reflect what 3222238SN/A# we're really doing. 3233114Sgblack@eecs.umich.edudef config_emitter(target, source, env): 3242238SN/A # extract option name from Builder arg 3252238SN/A option = str(target[0]) 3262238SN/A # True target is config header file 3273114Sgblack@eecs.umich.edu target = os.path.join('config', option.lower() + '.hh') 3282238SN/A # Force value to 0/1 even if it's a Python bool 3292238SN/A val = int(eval(str(env[option]))) 3302238SN/A # Sources are option name & value (packaged in SCons Value nodes) 3313114Sgblack@eecs.umich.edu return ([target], [Value(option), Value(val)]) 3322238SN/A 3336109Ssanchezd@stanford.educonfig_builder = Builder(emitter = config_emitter, action = config_action) 3346109Ssanchezd@stanford.edu 3356109Ssanchezd@stanford.eduenv.Append(BUILDERS = { 'ConfigFile' : config_builder }) 3362238SN/A 3372238SN/A################################################### 3382238SN/A# 3392238SN/A# Define a SCons builder for copying files. This is used by the 3402238SN/A# Python zipfile code in src/python/SConscript, but is placed up here 3413114Sgblack@eecs.umich.edu# since it's potentially more generally applicable. 3422238SN/A# 3432238SN/A################################################### 3442238SN/A 3453114Sgblack@eecs.umich.educopy_builder = Builder(action = Copy("$TARGET", "$SOURCE")) 3462238SN/A 3472238SN/Aenv.Append(BUILDERS = { 'CopyFile' : copy_builder }) 3482238SN/A 3493114Sgblack@eecs.umich.edu################################################### 3502238SN/A# 3512238SN/A# Define a simple SCons builder to concatenate files. 3522238SN/A# 3533114Sgblack@eecs.umich.edu# Used to append the Python zip archive to the executable. 3542238SN/A# 3552238SN/A################################################### 3561354SN/A 3571354SN/Aconcat_builder = Builder(action = Action(['cat $SOURCES > $TARGET', 3581354SN/A 'chmod +x $TARGET'])) 3591354SN/A 3601354SN/Aenv.Append(BUILDERS = { 'Concat' : concat_builder }) 3611354SN/A 3621354SN/A 3631354SN/A# base help text 3641354SN/Ahelp_text = ''' 3651354SN/AUsage: scons [scons options] [build options] [target(s)] 3661354SN/A 3671354SN/A''' 3681354SN/A 3691354SN/A# libelf build is shared across all configs in the build root. 3707823Ssteve.reinhardt@amd.comenv.SConscript('ext/libelf/SConscript', 3711354SN/A build_dir = os.path.join(build_root, 'libelf'), 3721354SN/A exports = 'env') 3731354SN/A 3741354SN/A################################################### 375360SN/A# 376360SN/A# Define build environments for selected configurations. 377360SN/A# 378360SN/A################################################### 379360SN/A 380360SN/A# rename base env 381360SN/Abase_env = env 3823113Sgblack@eecs.umich.edu 3833113Sgblack@eecs.umich.edufor build_path in build_paths: 3843113Sgblack@eecs.umich.edu print "Building in", build_path 3853113Sgblack@eecs.umich.edu # build_dir is the tail component of build path, and is used to 3863113Sgblack@eecs.umich.edu # determine the build parameters (e.g., 'ALPHA_SE') 3873113Sgblack@eecs.umich.edu (build_root, build_dir) = os.path.split(build_path) 3883113Sgblack@eecs.umich.edu # Make a copy of the build-root environment to use for this config. 3893113Sgblack@eecs.umich.edu env = base_env.Copy() 3903113Sgblack@eecs.umich.edu 3913113Sgblack@eecs.umich.edu # Set env options according to the build directory config. 3923113Sgblack@eecs.umich.edu sticky_opts.files = [] 3933113Sgblack@eecs.umich.edu # Options for $BUILD_ROOT/$BUILD_DIR are stored in 3943113Sgblack@eecs.umich.edu # $BUILD_ROOT/options/$BUILD_DIR so you can nuke 3953113Sgblack@eecs.umich.edu # $BUILD_ROOT/$BUILD_DIR without losing your options settings. 3963113Sgblack@eecs.umich.edu current_opts_file = os.path.join(build_root, 'options', build_dir) 3973113Sgblack@eecs.umich.edu if os.path.isfile(current_opts_file): 3984189Sgblack@eecs.umich.edu sticky_opts.files.append(current_opts_file) 3994189Sgblack@eecs.umich.edu print "Using saved options file %s" % current_opts_file 4003113Sgblack@eecs.umich.edu else: 4013113Sgblack@eecs.umich.edu # Build dir-specific options file doesn't exist. 4023113Sgblack@eecs.umich.edu 4033113Sgblack@eecs.umich.edu # Make sure the directory is there so we can create it later 4048737Skoansin.tan@gmail.com opt_dir = os.path.dirname(current_opts_file) 4053113Sgblack@eecs.umich.edu if not os.path.isdir(opt_dir): 4068737Skoansin.tan@gmail.com os.mkdir(opt_dir) 4073277Sgblack@eecs.umich.edu 4085515SMichael.Adler@intel.com # Get default build options from source tree. Options are 4095515SMichael.Adler@intel.com # normally determined by name of $BUILD_DIR, but can be 4105515SMichael.Adler@intel.com # overriden by 'default=' arg on command line. 4115515SMichael.Adler@intel.com default_opts_file = os.path.join('build_opts', 4125515SMichael.Adler@intel.com ARGUMENTS.get('default', build_dir)) 4138737Skoansin.tan@gmail.com if os.path.isfile(default_opts_file): 4143277Sgblack@eecs.umich.edu sticky_opts.files.append(default_opts_file) 4158737Skoansin.tan@gmail.com print "Options file %s not found,\n using defaults in %s" \ 4163277Sgblack@eecs.umich.edu % (current_opts_file, default_opts_file) 4178737Skoansin.tan@gmail.com else: 4183277Sgblack@eecs.umich.edu print "Error: cannot find options file %s or %s" \ 4198737Skoansin.tan@gmail.com % (current_opts_file, default_opts_file) 4203113Sgblack@eecs.umich.edu Exit(1) 4213113Sgblack@eecs.umich.edu 4223113Sgblack@eecs.umich.edu # Apply current option settings to env 4233113Sgblack@eecs.umich.edu sticky_opts.Update(env) 4248737Skoansin.tan@gmail.com nonsticky_opts.Update(env) 4253113Sgblack@eecs.umich.edu 4268737Skoansin.tan@gmail.com help_text += "Sticky options for %s:\n" % build_dir \ 4273114Sgblack@eecs.umich.edu + sticky_opts.GenerateHelpText(env) \ 4288737Skoansin.tan@gmail.com + "\nNon-sticky options for %s:\n" % build_dir \ 4293114Sgblack@eecs.umich.edu + nonsticky_opts.GenerateHelpText(env) 4308737Skoansin.tan@gmail.com 4313114Sgblack@eecs.umich.edu # Process option settings. 4328737Skoansin.tan@gmail.com 4334061Sgblack@eecs.umich.edu if not have_fenv and env['USE_FENV']: 4344061Sgblack@eecs.umich.edu print "Warning: <fenv.h> not available; " \ 4354061Sgblack@eecs.umich.edu "forcing USE_FENV to False in", build_dir + "." 4368737Skoansin.tan@gmail.com env['USE_FENV'] = False 4373113Sgblack@eecs.umich.edu 4388737Skoansin.tan@gmail.com if not env['USE_FENV']: 4393113Sgblack@eecs.umich.edu print "Warning: No IEEE FP rounding mode control in", build_dir + "." 4403113Sgblack@eecs.umich.edu print " FP results may deviate slightly from other platforms." 4413113Sgblack@eecs.umich.edu 4423113Sgblack@eecs.umich.edu if env['EFENCE']: 4433113Sgblack@eecs.umich.edu env.Append(LIBS=['efence']) 4443113Sgblack@eecs.umich.edu 4453113Sgblack@eecs.umich.edu if env['USE_MYSQL']: 4463113Sgblack@eecs.umich.edu if not have_mysql: 4474189Sgblack@eecs.umich.edu print "Warning: MySQL not available; " \ 4484189Sgblack@eecs.umich.edu "forcing USE_MYSQL to False in", build_dir + "." 4493113Sgblack@eecs.umich.edu env['USE_MYSQL'] = False 4503113Sgblack@eecs.umich.edu else: 4513113Sgblack@eecs.umich.edu print "Compiling in", build_dir, "with MySQL support." 4528737Skoansin.tan@gmail.com env.ParseConfig(mysql_config_libs) 4533113Sgblack@eecs.umich.edu env.ParseConfig(mysql_config_include) 4548737Skoansin.tan@gmail.com 4553113Sgblack@eecs.umich.edu # Save sticky option settings back to current options file 4568737Skoansin.tan@gmail.com sticky_opts.Save(current_opts_file, env) 4573113Sgblack@eecs.umich.edu 4583113Sgblack@eecs.umich.edu # Do this after we save setting back, or else we'll tack on an 4593113Sgblack@eecs.umich.edu # extra 'qdo' every time we run scons. 4603113Sgblack@eecs.umich.edu if env['BATCH']: 4613113Sgblack@eecs.umich.edu env['CC'] = env['BATCH_CMD'] + ' ' + env['CC'] 4623113Sgblack@eecs.umich.edu env['CXX'] = env['BATCH_CMD'] + ' ' + env['CXX'] 4633113Sgblack@eecs.umich.edu 4643113Sgblack@eecs.umich.edu if env['USE_SSE2']: 4653113Sgblack@eecs.umich.edu env.Append(CCFLAGS='-msse2') 4663113Sgblack@eecs.umich.edu 4678852Sandreas.hansson@arm.com # The m5/SConscript file sets up the build rules in 'env' according 4683113Sgblack@eecs.umich.edu # to the configured options. It returns a list of environments, 4693113Sgblack@eecs.umich.edu # one for each variant build (debug, opt, etc.) 4703113Sgblack@eecs.umich.edu envList = SConscript('src/SConscript', build_dir = build_path, 4713113Sgblack@eecs.umich.edu exports = 'env', duplicate = False) 4723113Sgblack@eecs.umich.edu 4733113Sgblack@eecs.umich.edu # Set up the regression tests for each build. 4743113Sgblack@eecs.umich.edu# for e in envList: 4753113Sgblack@eecs.umich.edu# SConscript('m5-test/SConscript', 4763113Sgblack@eecs.umich.edu# build_dir = os.path.join(build_dir, 'test', e.Label), 4773113Sgblack@eecs.umich.edu# exports = { 'env' : e }, duplicate = False) 4788852Sandreas.hansson@arm.com 4793113Sgblack@eecs.umich.eduHelp(help_text) 4803113Sgblack@eecs.umich.edu 4813113Sgblack@eecs.umich.edu################################################### 4823113Sgblack@eecs.umich.edu# 4836686Stjones1@inf.ed.ac.uk# Let SCons do its thing. At this point SCons will use the defined 4843113Sgblack@eecs.umich.edu# build environments to build the requested targets. 4853113Sgblack@eecs.umich.edu# 4863113Sgblack@eecs.umich.edu################################################### 487378SN/A 488378SN/A