SConstruct revision 2653
1955SN/A# -*- mode:python -*- 2955SN/A 31762SN/A# Copyright (c) 2004-2005 The Regents of The University of Michigan 4955SN/A# All rights reserved. 5955SN/A# 6955SN/A# Redistribution and use in source and binary forms, with or without 7955SN/A# modification, are permitted provided that the following conditions are 8955SN/A# met: redistributions of source code must retain the above copyright 9955SN/A# notice, this list of conditions and the following disclaimer; 10955SN/A# redistributions in binary form must reproduce the above copyright 11955SN/A# notice, this list of conditions and the following disclaimer in the 12955SN/A# documentation and/or other materials provided with the distribution; 13955SN/A# neither the name of the copyright holders nor the names of its 14955SN/A# contributors may be used to endorse or promote products derived from 15955SN/A# this software without specific prior written permission. 16955SN/A# 17955SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18955SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19955SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20955SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21955SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22955SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23955SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24955SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25955SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26955SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27955SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 282665Ssaidi@eecs.umich.edu 292665Ssaidi@eecs.umich.edu################################################### 30955SN/A# 31955SN/A# SCons top-level build description (SConstruct) file. 32955SN/A# 33955SN/A# While in this directory ('m5'), just type 'scons' to build the default 34955SN/A# configuration (see below), or type 'scons build/<CONFIG>/<binary>' 352632Sstever@eecs.umich.edu# to build some other configuration (e.g., 'build/ALPHA_FS/m5.opt' for 362632Sstever@eecs.umich.edu# the optimized full-system version). 372632Sstever@eecs.umich.edu# 382632Sstever@eecs.umich.edu# You can build M5 in a different directory as long as there is a 39955SN/A# 'build/<CONFIG>' somewhere along the target path. The build system 402632Sstever@eecs.umich.edu# expdects that all configs under the same build directory are being 412632Sstever@eecs.umich.edu# built for the same host system. 422761Sstever@eecs.umich.edu# 432632Sstever@eecs.umich.edu# Examples: 442632Sstever@eecs.umich.edu# These two commands are equivalent. The '-u' option tells scons to 452632Sstever@eecs.umich.edu# search up the directory tree for this SConstruct file. 462761Sstever@eecs.umich.edu# % cd <path-to-src>/m5 ; scons build/ALPHA_FS/m5.debug 472761Sstever@eecs.umich.edu# % cd <path-to-src>/m5/build/ALPHA_FS; scons -u m5.debug 482761Sstever@eecs.umich.edu# These two commands are equivalent and demonstrate building in a 492632Sstever@eecs.umich.edu# directory outside of the source tree. The '-C' option tells scons 502632Sstever@eecs.umich.edu# to chdir to the specified directory to find this SConstruct file. 512761Sstever@eecs.umich.edu# % cd <path-to-src>/m5 ; scons /local/foo/build/ALPHA_FS/m5.debug 522761Sstever@eecs.umich.edu# % cd /local/foo/build/ALPHA_FS; scons -C <path-to-src>/m5 m5.debug 532761Sstever@eecs.umich.edu# 542761Sstever@eecs.umich.edu# You can use 'scons -H' to print scons options. If you're in this 552761Sstever@eecs.umich.edu# 'm5' directory (or use -u or -C to tell scons where to find this 562632Sstever@eecs.umich.edu# file), you can use 'scons -h' to print all the M5-specific build 572632Sstever@eecs.umich.edu# options as well. 582632Sstever@eecs.umich.edu# 592632Sstever@eecs.umich.edu################################################### 602632Sstever@eecs.umich.edu 612632Sstever@eecs.umich.edu# Python library imports 622632Sstever@eecs.umich.eduimport sys 63955SN/Aimport os 64955SN/A 65955SN/A# Check for recent-enough Python and SCons versions 66955SN/AEnsurePythonVersion(2,3) 67955SN/A 68955SN/A# Ironically, SCons 0.96 dies if you give EnsureSconsVersion a 69955SN/A# 3-element version number. 702656Sstever@eecs.umich.edumin_scons_version = (0,96,91) 712656Sstever@eecs.umich.edutry: 722656Sstever@eecs.umich.edu EnsureSConsVersion(*min_scons_version) 732656Sstever@eecs.umich.eduexcept: 742656Sstever@eecs.umich.edu print "Error checking current SCons version." 752656Sstever@eecs.umich.edu print "SCons", ".".join(map(str,min_scons_version)), "or greater required." 762656Sstever@eecs.umich.edu Exit(2) 772653Sstever@eecs.umich.edu 782653Sstever@eecs.umich.edu 792653Sstever@eecs.umich.edu# The absolute path to the current directory (where this file lives). 802653Sstever@eecs.umich.eduROOT = Dir('.').abspath 812653Sstever@eecs.umich.edu 822653Sstever@eecs.umich.edu# Paths to the M5 and external source trees. 832653Sstever@eecs.umich.eduSRCDIR = os.path.join(ROOT, 'src') 842653Sstever@eecs.umich.edu 852653Sstever@eecs.umich.edu# tell python where to find m5 python code 862653Sstever@eecs.umich.edusys.path.append(os.path.join(ROOT, 'src/python')) 872653Sstever@eecs.umich.edu 881852SN/A################################################### 89955SN/A# 90955SN/A# Figure out which configurations to set up based on the path(s) of 91955SN/A# the target(s). 922632Sstever@eecs.umich.edu# 932632Sstever@eecs.umich.edu################################################### 94955SN/A 951533SN/A# Find default configuration & binary. 962632Sstever@eecs.umich.eduDefault(os.environ.get('M5_DEFAULT_BINARY', 'build/ALPHA_SE/m5.debug')) 971533SN/A 98955SN/A# Ask SCons which directory it was invoked from. 99955SN/Alaunch_dir = GetLaunchDir() 1002632Sstever@eecs.umich.edu 1012632Sstever@eecs.umich.edu# Make targets relative to invocation directory 102955SN/Aabs_targets = map(lambda x: os.path.normpath(os.path.join(launch_dir, str(x))), 103955SN/A BUILD_TARGETS) 104955SN/A 105955SN/A# helper function: find last occurrence of element in list 1062632Sstever@eecs.umich.edudef rfind(l, elt, offs = -1): 107955SN/A for i in range(len(l)+offs, 0, -1): 1082632Sstever@eecs.umich.edu if l[i] == elt: 109955SN/A return i 110955SN/A raise ValueError, "element not found" 1112632Sstever@eecs.umich.edu 1122632Sstever@eecs.umich.edu# Each target must have 'build' in the interior of the path; the 1132632Sstever@eecs.umich.edu# directory below this will determine the build parameters. For 1142632Sstever@eecs.umich.edu# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we 1152632Sstever@eecs.umich.edu# recognize that ALPHA_SE specifies the configuration because it 1162632Sstever@eecs.umich.edu# follow 'build' in the bulid path. 1172632Sstever@eecs.umich.edu 1182632Sstever@eecs.umich.edu# Generate a list of the unique build roots and configs that the 1192632Sstever@eecs.umich.edu# collected targets reference. 1202632Sstever@eecs.umich.edubuild_paths = [] 1212632Sstever@eecs.umich.edubuild_root = None 1222632Sstever@eecs.umich.edufor t in abs_targets: 1232632Sstever@eecs.umich.edu path_dirs = t.split('/') 1242632Sstever@eecs.umich.edu try: 1252632Sstever@eecs.umich.edu build_top = rfind(path_dirs, 'build', -2) 1262632Sstever@eecs.umich.edu except: 1272632Sstever@eecs.umich.edu print "Error: no non-leaf 'build' dir found on target path", t 1282634Sstever@eecs.umich.edu Exit(1) 1292634Sstever@eecs.umich.edu this_build_root = os.path.join('/',*path_dirs[:build_top+1]) 1302632Sstever@eecs.umich.edu if not build_root: 1312638Sstever@eecs.umich.edu build_root = this_build_root 1322632Sstever@eecs.umich.edu else: 1332632Sstever@eecs.umich.edu if this_build_root != build_root: 1342632Sstever@eecs.umich.edu print "Error: build targets not under same build root\n"\ 1352632Sstever@eecs.umich.edu " %s\n %s" % (build_root, this_build_root) 1362632Sstever@eecs.umich.edu Exit(1) 1372632Sstever@eecs.umich.edu build_path = os.path.join('/',*path_dirs[:build_top+2]) 1381858SN/A if build_path not in build_paths: 1392638Sstever@eecs.umich.edu build_paths.append(build_path) 1402638Sstever@eecs.umich.edu 1412638Sstever@eecs.umich.edu################################################### 1422638Sstever@eecs.umich.edu# 1432638Sstever@eecs.umich.edu# Set up the default build environment. This environment is copied 1442638Sstever@eecs.umich.edu# and modified according to each selected configuration. 1452638Sstever@eecs.umich.edu# 1462638Sstever@eecs.umich.edu################################################### 1472634Sstever@eecs.umich.edu 1482634Sstever@eecs.umich.eduenv = Environment(ENV = os.environ, # inherit user's environment vars 1492634Sstever@eecs.umich.edu ROOT = ROOT, 150955SN/A SRCDIR = SRCDIR) 151955SN/A 152955SN/Aenv.SConsignFile("sconsign") 153955SN/A 154955SN/A# I waffle on this setting... it does avoid a few painful but 155955SN/A# unnecessary builds, but it also seems to make trivial builds take 156955SN/A# noticeably longer. 157955SN/Aif False: 1581858SN/A env.TargetSignatures('content') 1591858SN/A 1602632Sstever@eecs.umich.edu# M5_PLY is used by isa_parser.py to find the PLY package. 161955SN/Aenv.Append(ENV = { 'M5_PLY' : Dir('ext/ply') }) 1622776Sstever@eecs.umich.edu 1631105SN/A# Set up default C++ compiler flags 1642667Sstever@eecs.umich.eduenv.Append(CCFLAGS='-pipe') 1652667Sstever@eecs.umich.eduenv.Append(CCFLAGS='-fno-strict-aliasing') 1662667Sstever@eecs.umich.eduenv.Append(CCFLAGS=Split('-Wall -Wno-sign-compare -Werror -Wundef')) 1672667Sstever@eecs.umich.eduif sys.platform == 'cygwin': 1682667Sstever@eecs.umich.edu # cygwin has some header file issues... 1692667Sstever@eecs.umich.edu env.Append(CCFLAGS=Split("-Wno-uninitialized")) 1701869SN/Aenv.Append(CPPPATH=[Dir('ext/dnet')]) 1711869SN/A 1721869SN/A# Default libraries 1731869SN/Aenv.Append(LIBS=['z']) 1741869SN/A 1751065SN/A# Platform-specific configuration. Note again that we assume that all 1762632Sstever@eecs.umich.edu# builds under a given build root run on the same host platform. 1772632Sstever@eecs.umich.educonf = Configure(env, 178955SN/A conf_dir = os.path.join(build_root, '.scons_config'), 1791858SN/A log_file = os.path.join(build_root, 'scons_config.log')) 1801858SN/A 1811858SN/A# Check for <fenv.h> (C99 FP environment control) 1821858SN/Ahave_fenv = conf.CheckHeader('fenv.h', '<>') 1831851SN/Aif not have_fenv: 1841851SN/A print "Warning: Header file <fenv.h> not found." 1851858SN/A print " This host has no IEEE FP rounding mode control." 1862632Sstever@eecs.umich.edu 187955SN/A# Check for mysql. 1882656Sstever@eecs.umich.edumysql_config = WhereIs('mysql_config') 1892656Sstever@eecs.umich.eduhave_mysql = mysql_config != None 1902656Sstever@eecs.umich.edu 1912656Sstever@eecs.umich.edu# Check MySQL version. 1922656Sstever@eecs.umich.eduif have_mysql: 1932656Sstever@eecs.umich.edu mysql_version = os.popen(mysql_config + ' --version').read() 1942656Sstever@eecs.umich.edu mysql_version = mysql_version.split('.') 1952656Sstever@eecs.umich.edu mysql_major = int(mysql_version[0]) 1962656Sstever@eecs.umich.edu mysql_minor = int(mysql_version[1]) 1972656Sstever@eecs.umich.edu # This version check is probably overly conservative, but it deals 1982656Sstever@eecs.umich.edu # with the versions we have installed. 1992656Sstever@eecs.umich.edu if mysql_major < 4 or (mysql_major == 4 and mysql_minor < 1): 2002656Sstever@eecs.umich.edu print "Warning: MySQL v4.1 or newer required." 2012656Sstever@eecs.umich.edu have_mysql = False 2022656Sstever@eecs.umich.edu 2032656Sstever@eecs.umich.edu# Set up mysql_config commands. 2042655Sstever@eecs.umich.eduif have_mysql: 2052667Sstever@eecs.umich.edu mysql_config_include = mysql_config + ' --include' 2062667Sstever@eecs.umich.edu if os.system(mysql_config_include + ' > /dev/null') != 0: 2072667Sstever@eecs.umich.edu # older mysql_config versions don't support --include, use 2082667Sstever@eecs.umich.edu # --cflags instead 2092667Sstever@eecs.umich.edu mysql_config_include = mysql_config + ' --cflags | sed s/\\\'//g' 2102667Sstever@eecs.umich.edu # This seems to work in all versions 2112667Sstever@eecs.umich.edu mysql_config_libs = mysql_config + ' --libs' 2122667Sstever@eecs.umich.edu 2132667Sstever@eecs.umich.eduenv = conf.Finish() 2142667Sstever@eecs.umich.edu 2152667Sstever@eecs.umich.edu# Define the universe of supported ISAs 2162667Sstever@eecs.umich.eduenv['ALL_ISA_LIST'] = ['alpha', 'sparc', 'mips'] 2172667Sstever@eecs.umich.edu 2182655Sstever@eecs.umich.edu# Define the universe of supported CPU models 2191858SN/Aenv['ALL_CPU_LIST'] = ['AtomicSimpleCPU', 'TimingSimpleCPU', 2201858SN/A 'FullCPU', 'AlphaFullCPU'] 2212638Sstever@eecs.umich.edu 2222638Sstever@eecs.umich.edu# Sticky options get saved in the options file so they persist from 2232638Sstever@eecs.umich.edu# one invocation to the next (unless overridden, in which case the new 2242638Sstever@eecs.umich.edu# value becomes sticky). 2252638Sstever@eecs.umich.edusticky_opts = Options(args=ARGUMENTS) 2261858SN/Asticky_opts.AddOptions( 2271858SN/A EnumOption('TARGET_ISA', 'Target ISA', 'alpha', env['ALL_ISA_LIST']), 2281858SN/A BoolOption('FULL_SYSTEM', 'Full-system support', False), 2291858SN/A # There's a bug in scons 0.96.1 that causes ListOptions with list 2301858SN/A # values (more than one value) not to be able to be restored from 2311858SN/A # a saved option file. If this causes trouble then upgrade to 2321858SN/A # scons 0.96.90 or later. 2331859SN/A ListOption('CPU_MODELS', 'CPU models', 'AtomicSimpleCPU,TimingSimpleCPU', 2341858SN/A env['ALL_CPU_LIST']), 2351858SN/A BoolOption('ALPHA_TLASER', 2361858SN/A 'Model Alpha TurboLaser platform (vs. Tsunami)', False), 2371859SN/A BoolOption('NO_FAST_ALLOC', 'Disable fast object allocator', False), 2381859SN/A BoolOption('EFENCE', 'Link with Electric Fence malloc debugger', 2391862SN/A False), 2401862SN/A BoolOption('SS_COMPATIBLE_FP', 2411862SN/A 'Make floating-point results compatible with SimpleScalar', 2421862SN/A False), 2431859SN/A BoolOption('USE_SSE2', 2441859SN/A 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', 2451963SN/A False), 2461963SN/A BoolOption('STATS_BINNING', 'Bin statistics by CPU mode', have_mysql), 2471859SN/A BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql), 2481859SN/A BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), 2491859SN/A ('CC', 'C compiler', os.environ.get('CC', env['CC'])), 2501859SN/A ('CXX', 'C++ compiler', os.environ.get('CXX', env['CXX'])), 2511859SN/A BoolOption('BATCH', 'Use batch pool for build and tests', False), 2521859SN/A ('BATCH_CMD', 'Batch pool submission command name', 'qdo') 2531859SN/A ) 2541859SN/A 2551862SN/A# Non-sticky options only apply to the current build. 2561859SN/Anonsticky_opts = Options(args=ARGUMENTS) 2571859SN/Anonsticky_opts.AddOptions( 2581859SN/A BoolOption('update_ref', 'Update test reference outputs', False) 2591858SN/A ) 2601858SN/A 2612139SN/A# These options get exported to #defines in config/*.hh (see m5/SConscript). 2622139SN/Aenv.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \ 2632139SN/A 'USE_MYSQL', 'NO_FAST_ALLOC', 'SS_COMPATIBLE_FP', \ 2642155SN/A 'STATS_BINNING'] 2652623SN/A 2662817Sksewell@umich.edu# Define a handy 'no-op' action 2672792Sktlim@umich.edudef no_action(target, source, env): 2682155SN/A return 0 2691869SN/A 2701869SN/Aenv.NoAction = Action(no_action, None) 2711869SN/A 2721869SN/A################################################### 2731869SN/A# 2742139SN/A# Define a SCons builder for configuration flag headers. 2751869SN/A# 2762508SN/A################################################### 2772508SN/A 2782508SN/A# This function generates a config header file that #defines the 2792508SN/A# option symbol to the current option setting (0 or 1). The source 2802635Sstever@eecs.umich.edu# operands are the name of the option and a Value node containing the 2812635Sstever@eecs.umich.edu# value of the option. 2821869SN/Adef build_config_file(target, source, env): 2831869SN/A (option, value) = [s.get_contents() for s in source] 2841869SN/A f = file(str(target[0]), 'w') 2851869SN/A print >> f, '#define', option, value 2861869SN/A f.close() 2871869SN/A return None 2881869SN/A 2891869SN/A# Generate the message to be printed when building the config file. 2901965SN/Adef build_config_file_string(target, source, env): 2911965SN/A (option, value) = [s.get_contents() for s in source] 2921965SN/A return "Defining %s as %s in %s." % (option, value, target[0]) 2931869SN/A 2941869SN/A# Combine the two functions into a scons Action object. 2952733Sktlim@umich.educonfig_action = Action(build_config_file, build_config_file_string) 2961869SN/A 2971884SN/A# The emitter munges the source & target node lists to reflect what 2981884SN/A# we're really doing. 2991884SN/Adef config_emitter(target, source, env): 3001869SN/A # extract option name from Builder arg 3011858SN/A option = str(target[0]) 3021869SN/A # True target is config header file 3031869SN/A target = os.path.join('config', option.lower() + '.hh') 3041869SN/A # Force value to 0/1 even if it's a Python bool 3052953Sktlim@umich.edu val = int(eval(str(env[option]))) 3062953Sktlim@umich.edu # Sources are option name & value (packaged in SCons Value nodes) 3071869SN/A return ([target], [Value(option), Value(val)]) 3081869SN/A 3091858SN/Aconfig_builder = Builder(emitter = config_emitter, action = config_action) 3102761Sstever@eecs.umich.edu 3111869SN/Aenv.Append(BUILDERS = { 'ConfigFile' : config_builder }) 3122733Sktlim@umich.edu 3132733Sktlim@umich.edu# base help text 3141869SN/Ahelp_text = ''' 3151869SN/AUsage: scons [scons options] [build options] [target(s)] 3161869SN/A 3171869SN/A''' 3181869SN/A 3191869SN/A# libelf build is shared across all configs in the build root. 3201858SN/Aenv.SConscript('ext/libelf/SConscript', 321955SN/A build_dir = os.path.join(build_root, 'libelf'), 322955SN/A exports = 'env') 3231869SN/A 3241869SN/A################################################### 3251869SN/A# 3261869SN/A# Define build environments for selected configurations. 3271869SN/A# 3281869SN/A################################################### 3291869SN/A 3301869SN/A# rename base env 3311869SN/Abase_env = env 3321869SN/A 3331869SN/Afor build_path in build_paths: 3341869SN/A print "Building in", build_path 3351869SN/A # build_dir is the tail component of build path, and is used to 3361869SN/A # determine the build parameters (e.g., 'ALPHA_SE') 3371869SN/A (build_root, build_dir) = os.path.split(build_path) 3381869SN/A # Make a copy of the build-root environment to use for this config. 3391869SN/A env = base_env.Copy() 3401869SN/A 3411869SN/A # Set env options according to the build directory config. 3421869SN/A sticky_opts.files = [] 3431869SN/A # Options for $BUILD_ROOT/$BUILD_DIR are stored in 3441869SN/A # $BUILD_ROOT/options/$BUILD_DIR so you can nuke 3451869SN/A # $BUILD_ROOT/$BUILD_DIR without losing your options settings. 3461869SN/A current_opts_file = os.path.join(build_root, 'options', build_dir) 3471869SN/A if os.path.isfile(current_opts_file): 3481869SN/A sticky_opts.files.append(current_opts_file) 3491869SN/A print "Using saved options file %s" % current_opts_file 3501869SN/A else: 3511869SN/A # Build dir-specific options file doesn't exist. 3521869SN/A 3531869SN/A # Make sure the directory is there so we can create it later 3541869SN/A opt_dir = os.path.dirname(current_opts_file) 3551869SN/A if not os.path.isdir(opt_dir): 3561869SN/A os.mkdir(opt_dir) 3571869SN/A 3581869SN/A # Get default build options from source tree. Options are 3591869SN/A # normally determined by name of $BUILD_DIR, but can be 3601869SN/A # overriden by 'default=' arg on command line. 3611869SN/A default_opts_file = os.path.join('build_opts', 3622655Sstever@eecs.umich.edu ARGUMENTS.get('default', build_dir)) 3632655Sstever@eecs.umich.edu if os.path.isfile(default_opts_file): 3642655Sstever@eecs.umich.edu sticky_opts.files.append(default_opts_file) 3652655Sstever@eecs.umich.edu print "Options file %s not found,\n using defaults in %s" \ 3662655Sstever@eecs.umich.edu % (current_opts_file, default_opts_file) 3672655Sstever@eecs.umich.edu else: 3682655Sstever@eecs.umich.edu print "Error: cannot find options file %s or %s" \ 3692655Sstever@eecs.umich.edu % (current_opts_file, default_opts_file) 3702655Sstever@eecs.umich.edu Exit(1) 3712655Sstever@eecs.umich.edu 3722655Sstever@eecs.umich.edu # Apply current option settings to env 3732655Sstever@eecs.umich.edu sticky_opts.Update(env) 3742655Sstever@eecs.umich.edu nonsticky_opts.Update(env) 3752655Sstever@eecs.umich.edu 3762655Sstever@eecs.umich.edu help_text += "Sticky options for %s:\n" % build_dir \ 3772655Sstever@eecs.umich.edu + sticky_opts.GenerateHelpText(env) \ 3782655Sstever@eecs.umich.edu + "\nNon-sticky options for %s:\n" % build_dir \ 3792655Sstever@eecs.umich.edu + nonsticky_opts.GenerateHelpText(env) 3802655Sstever@eecs.umich.edu 3812655Sstever@eecs.umich.edu # Process option settings. 3822655Sstever@eecs.umich.edu 3832655Sstever@eecs.umich.edu if not have_fenv and env['USE_FENV']: 3842655Sstever@eecs.umich.edu print "Warning: <fenv.h> not available; " \ 3852655Sstever@eecs.umich.edu "forcing USE_FENV to False in", build_dir + "." 3862655Sstever@eecs.umich.edu env['USE_FENV'] = False 3872655Sstever@eecs.umich.edu 3882634Sstever@eecs.umich.edu if not env['USE_FENV']: 3892634Sstever@eecs.umich.edu print "Warning: No IEEE FP rounding mode control in", build_dir + "." 3902634Sstever@eecs.umich.edu print " FP results may deviate slightly from other platforms." 3912634Sstever@eecs.umich.edu 3922634Sstever@eecs.umich.edu if env['EFENCE']: 3932634Sstever@eecs.umich.edu env.Append(LIBS=['efence']) 3942638Sstever@eecs.umich.edu 3952638Sstever@eecs.umich.edu if env['USE_MYSQL']: 3962638Sstever@eecs.umich.edu if not have_mysql: 3972638Sstever@eecs.umich.edu print "Warning: MySQL not available; " \ 3982638Sstever@eecs.umich.edu "forcing USE_MYSQL to False in", build_dir + "." 3991869SN/A env['USE_MYSQL'] = False 4001869SN/A else: 401955SN/A print "Compiling in", build_dir, "with MySQL support." 402955SN/A env.ParseConfig(mysql_config_libs) 403955SN/A env.ParseConfig(mysql_config_include) 404955SN/A 4051858SN/A # Save sticky option settings back to current options file 4061858SN/A sticky_opts.Save(current_opts_file, env) 4071858SN/A 4082632Sstever@eecs.umich.edu # Do this after we save setting back, or else we'll tack on an 4092632Sstever@eecs.umich.edu # extra 'qdo' every time we run scons. 4102632Sstever@eecs.umich.edu if env['BATCH']: 4112632Sstever@eecs.umich.edu env['CC'] = env['BATCH_CMD'] + ' ' + env['CC'] 4122632Sstever@eecs.umich.edu env['CXX'] = env['BATCH_CMD'] + ' ' + env['CXX'] 4132634Sstever@eecs.umich.edu 4142638Sstever@eecs.umich.edu if env['USE_SSE2']: 4152023SN/A env.Append(CCFLAGS='-msse2') 4162632Sstever@eecs.umich.edu 4172632Sstever@eecs.umich.edu # The m5/SConscript file sets up the build rules in 'env' according 4182632Sstever@eecs.umich.edu # to the configured options. It returns a list of environments, 4192632Sstever@eecs.umich.edu # one for each variant build (debug, opt, etc.) 4202632Sstever@eecs.umich.edu envList = SConscript('src/SConscript', build_dir = build_path, 4212632Sstever@eecs.umich.edu exports = 'env', duplicate = False) 4222632Sstever@eecs.umich.edu 4232632Sstever@eecs.umich.edu # Set up the regression tests for each build. 4242632Sstever@eecs.umich.edu# for e in envList: 4252632Sstever@eecs.umich.edu# SConscript('m5-test/SConscript', 4262632Sstever@eecs.umich.edu# build_dir = os.path.join(build_dir, 'test', e.Label), 4272023SN/A# exports = { 'env' : e }, duplicate = False) 4282632Sstever@eecs.umich.edu 4292632Sstever@eecs.umich.eduHelp(help_text) 4301889SN/A 4311889SN/A################################################### 4322632Sstever@eecs.umich.edu# 4332632Sstever@eecs.umich.edu# Let SCons do its thing. At this point SCons will use the defined 4342632Sstever@eecs.umich.edu# build environments to build the requested targets. 4352632Sstever@eecs.umich.edu# 4362632Sstever@eecs.umich.edu################################################### 4372632Sstever@eecs.umich.edu 4382632Sstever@eecs.umich.edu