SConstruct revision 8878
1955SN/A# -*- mode:python -*- 2955SN/A 39812Sandreas.hansson@arm.com# Copyright (c) 2011 Advanced Micro Devices, Inc. 49812Sandreas.hansson@arm.com# Copyright (c) 2009 The Hewlett-Packard Development Company 59812Sandreas.hansson@arm.com# Copyright (c) 2004-2005 The Regents of The University of Michigan 69812Sandreas.hansson@arm.com# All rights reserved. 79812Sandreas.hansson@arm.com# 89812Sandreas.hansson@arm.com# Redistribution and use in source and binary forms, with or without 99812Sandreas.hansson@arm.com# modification, are permitted provided that the following conditions are 109812Sandreas.hansson@arm.com# met: redistributions of source code must retain the above copyright 119812Sandreas.hansson@arm.com# notice, this list of conditions and the following disclaimer; 129812Sandreas.hansson@arm.com# redistributions in binary form must reproduce the above copyright 139812Sandreas.hansson@arm.com# notice, this list of conditions and the following disclaimer in the 149812Sandreas.hansson@arm.com# documentation and/or other materials provided with the distribution; 157816Ssteve.reinhardt@amd.com# neither the name of the copyright holders nor the names of its 165871Snate@binkert.org# contributors may be used to endorse or promote products derived from 171762SN/A# this software without specific prior written permission. 18955SN/A# 19955SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20955SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21955SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22955SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23955SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24955SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25955SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26955SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27955SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28955SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29955SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30955SN/A# 31955SN/A# Authors: Steve Reinhardt 32955SN/A# Nathan Binkert 33955SN/A 34955SN/A################################################### 35955SN/A# 36955SN/A# SCons top-level build description (SConstruct) file. 37955SN/A# 38955SN/A# While in this directory ('gem5'), just type 'scons' to build the default 39955SN/A# configuration (see below), or type 'scons build/<CONFIG>/<binary>' 40955SN/A# to build some other configuration (e.g., 'build/ALPHA/gem5.opt' for 41955SN/A# the optimized full-system version). 422665Ssaidi@eecs.umich.edu# 432665Ssaidi@eecs.umich.edu# You can build gem5 in a different directory as long as there is a 445863Snate@binkert.org# 'build/<CONFIG>' somewhere along the target path. The build system 45955SN/A# expects that all configs under the same build directory are being 46955SN/A# built for the same host system. 47955SN/A# 48955SN/A# Examples: 49955SN/A# 508878Ssteve.reinhardt@amd.com# The following two commands are equivalent. The '-u' option tells 512632Sstever@eecs.umich.edu# scons to search up the directory tree for this SConstruct file. 528878Ssteve.reinhardt@amd.com# % cd <path-to-src>/gem5 ; scons build/ALPHA/gem5.debug 532632Sstever@eecs.umich.edu# % cd <path-to-src>/gem5/build/ALPHA; scons -u gem5.debug 54955SN/A# 558878Ssteve.reinhardt@amd.com# The following two commands are equivalent and demonstrate building 562632Sstever@eecs.umich.edu# in a directory outside of the source tree. The '-C' option tells 572761Sstever@eecs.umich.edu# scons to chdir to the specified directory to find this SConstruct 582632Sstever@eecs.umich.edu# file. 592632Sstever@eecs.umich.edu# % cd <path-to-src>/gem5 ; scons /local/foo/build/ALPHA/gem5.debug 602632Sstever@eecs.umich.edu# % cd /local/foo/build/ALPHA; scons -C <path-to-src>/gem5 gem5.debug 612761Sstever@eecs.umich.edu# 622761Sstever@eecs.umich.edu# You can use 'scons -H' to print scons options. If you're in this 632761Sstever@eecs.umich.edu# 'gem5' directory (or use -u or -C to tell scons where to find this 648878Ssteve.reinhardt@amd.com# file), you can use 'scons -h' to print all the gem5-specific build 658878Ssteve.reinhardt@amd.com# options as well. 662761Sstever@eecs.umich.edu# 672761Sstever@eecs.umich.edu################################################### 682761Sstever@eecs.umich.edu 692761Sstever@eecs.umich.edu# Check for recent-enough Python and SCons versions. 702761Sstever@eecs.umich.edutry: 718878Ssteve.reinhardt@amd.com # Really old versions of scons only take two options for the 728878Ssteve.reinhardt@amd.com # function, so check once without the revision and once with the 732632Sstever@eecs.umich.edu # revision, the first instance will fail for stuff other than 742632Sstever@eecs.umich.edu # 0.98, and the second will fail for 0.98.0 758878Ssteve.reinhardt@amd.com EnsureSConsVersion(0, 98) 768878Ssteve.reinhardt@amd.com EnsureSConsVersion(0, 98, 1) 772632Sstever@eecs.umich.eduexcept SystemExit, e: 78955SN/A print """ 79955SN/AFor more details, see: 80955SN/A http://gem5.org/Dependencies 815863Snate@binkert.org""" 825863Snate@binkert.org raise 835863Snate@binkert.org 845863Snate@binkert.org# We ensure the python version early because we have stuff that 855863Snate@binkert.org# requires python 2.4 865863Snate@binkert.orgtry: 875863Snate@binkert.org EnsurePythonVersion(2, 4) 885863Snate@binkert.orgexcept SystemExit, e: 895863Snate@binkert.org print """ 905863Snate@binkert.orgYou can use a non-default installation of the Python interpreter by 915863Snate@binkert.orgeither (1) rearranging your PATH so that scons finds the non-default 928878Ssteve.reinhardt@amd.com'python' first or (2) explicitly invoking an alternative interpreter 935863Snate@binkert.orgon the scons script. 945863Snate@binkert.org 955863Snate@binkert.orgFor more details, see: 969812Sandreas.hansson@arm.com http://gem5.org/wiki/index.php/Using_a_non-default_Python_installation 979812Sandreas.hansson@arm.com""" 985863Snate@binkert.org raise 999812Sandreas.hansson@arm.com 1005863Snate@binkert.org# Global Python includes 1015863Snate@binkert.orgimport os 1025863Snate@binkert.orgimport re 1039812Sandreas.hansson@arm.comimport subprocess 1049812Sandreas.hansson@arm.comimport sys 1055863Snate@binkert.org 1065863Snate@binkert.orgfrom os import mkdir, environ 1078878Ssteve.reinhardt@amd.comfrom os.path import abspath, basename, dirname, expanduser, normpath 1085863Snate@binkert.orgfrom os.path import exists, isdir, isfile 1095863Snate@binkert.orgfrom os.path import join as joinpath, split as splitpath 1105863Snate@binkert.org 1116654Snate@binkert.org# SCons includes 11210196SCurtis.Dunham@arm.comimport SCons 113955SN/Aimport SCons.Node 1145396Ssaidi@eecs.umich.edu 1155863Snate@binkert.orgextra_python_paths = [ 1165863Snate@binkert.org Dir('src/python').srcnode().abspath, # gem5 includes 1174202Sbinkertn@umich.edu Dir('ext/ply').srcnode().abspath, # ply is used by several files 1185863Snate@binkert.org ] 1195863Snate@binkert.org 1205863Snate@binkert.orgsys.path[1:1] = extra_python_paths 1215863Snate@binkert.org 122955SN/Afrom m5.util import compareVersions, readCommand 1236654Snate@binkert.org 1245273Sstever@gmail.comhelp_texts = { 1255871Snate@binkert.org "options" : "", 1265273Sstever@gmail.com "global_vars" : "", 1276655Snate@binkert.org "local_vars" : "" 1288878Ssteve.reinhardt@amd.com} 1296655Snate@binkert.org 1306655Snate@binkert.orgExport("help_texts") 1319219Spower.jg@gmail.com 1326655Snate@binkert.orgdef AddM5Option(*args, **kwargs): 1335871Snate@binkert.org col_width = 30 1346654Snate@binkert.org 1358947Sandreas.hansson@arm.com help = " " + ", ".join(args) 1365396Ssaidi@eecs.umich.edu if "help" in kwargs: 1378120Sgblack@eecs.umich.edu length = len(help) 1388120Sgblack@eecs.umich.edu if length >= col_width: 1398120Sgblack@eecs.umich.edu help += "\n" + " " * col_width 1408120Sgblack@eecs.umich.edu else: 1418120Sgblack@eecs.umich.edu help += " " * (col_width - length) 1428120Sgblack@eecs.umich.edu help += kwargs["help"] 1438120Sgblack@eecs.umich.edu help_texts["options"] += help + "\n" 1448120Sgblack@eecs.umich.edu 1458879Ssteve.reinhardt@amd.com AddOption(*args, **kwargs) 1468879Ssteve.reinhardt@amd.com 1478879Ssteve.reinhardt@amd.comAddM5Option('--colors', dest='use_colors', action='store_true', 1488879Ssteve.reinhardt@amd.com help="Add color to abbreviated scons output") 1498879Ssteve.reinhardt@amd.comAddM5Option('--no-colors', dest='use_colors', action='store_false', 1508879Ssteve.reinhardt@amd.com help="Don't add color to abbreviated scons output") 1518879Ssteve.reinhardt@amd.comAddM5Option('--default', dest='default', type='string', action='store', 1528879Ssteve.reinhardt@amd.com help='Override which build_opts file to use for defaults') 1538879Ssteve.reinhardt@amd.comAddM5Option('--ignore-style', dest='ignore_style', action='store_true', 1548879Ssteve.reinhardt@amd.com help='Disable style checking hooks') 1558879Ssteve.reinhardt@amd.comAddM5Option('--update-ref', dest='update_ref', action='store_true', 1568879Ssteve.reinhardt@amd.com help='Update test reference outputs') 1578879Ssteve.reinhardt@amd.comAddM5Option('--verbose', dest='verbose', action='store_true', 1588120Sgblack@eecs.umich.edu help='Print full tool command lines') 1598120Sgblack@eecs.umich.edu 1608120Sgblack@eecs.umich.eduuse_colors = GetOption('use_colors') 1618120Sgblack@eecs.umich.eduif use_colors: 1628120Sgblack@eecs.umich.edu from m5.util.terminal import termcap 1638120Sgblack@eecs.umich.eduelif use_colors is None: 1648120Sgblack@eecs.umich.edu # option unspecified; default behavior is to use colors iff isatty 1658120Sgblack@eecs.umich.edu from m5.util.terminal import tty_termcap as termcap 1668120Sgblack@eecs.umich.eduelse: 1678120Sgblack@eecs.umich.edu from m5.util.terminal import no_termcap as termcap 1688120Sgblack@eecs.umich.edu 1698120Sgblack@eecs.umich.edu######################################################################## 1708120Sgblack@eecs.umich.edu# 1718120Sgblack@eecs.umich.edu# Set up the main build environment. 1728879Ssteve.reinhardt@amd.com# 1738879Ssteve.reinhardt@amd.com######################################################################## 1748879Ssteve.reinhardt@amd.comuse_vars = set([ 'AS', 'AR', 'CC', 'CXX', 'HOME', 'LD_LIBRARY_PATH', 'PATH', 1758879Ssteve.reinhardt@amd.com 'PYTHONPATH', 'RANLIB' ]) 1768879Ssteve.reinhardt@amd.com 1778879Ssteve.reinhardt@amd.comuse_env = {} 1788879Ssteve.reinhardt@amd.comfor key,val in os.environ.iteritems(): 1798879Ssteve.reinhardt@amd.com if key in use_vars or key.startswith("M5"): 1809227Sandreas.hansson@arm.com use_env[key] = val 1819227Sandreas.hansson@arm.com 1828879Ssteve.reinhardt@amd.commain = Environment(ENV=use_env) 1838879Ssteve.reinhardt@amd.commain.root = Dir(".") # The current directory (where this file lives). 1848879Ssteve.reinhardt@amd.commain.srcdir = Dir("src") # The source directory 1858879Ssteve.reinhardt@amd.com 1868120Sgblack@eecs.umich.edu# add useful python code PYTHONPATH so it can be used by subprocesses 1878947Sandreas.hansson@arm.com# as well 1887816Ssteve.reinhardt@amd.commain.AppendENVPath('PYTHONPATH', extra_python_paths) 1895871Snate@binkert.org 1905871Snate@binkert.org######################################################################## 1916121Snate@binkert.org# 1925871Snate@binkert.org# Mercurial Stuff. 1935871Snate@binkert.org# 1949926Sstan.czerniawski@arm.com# If the gem5 directory is a mercurial repository, we should do some 1959926Sstan.czerniawski@arm.com# extra things. 1969119Sandreas.hansson@arm.com# 19710068Sandreas.hansson@arm.com######################################################################## 19810068Sandreas.hansson@arm.com 199955SN/Ahgdir = main.root.Dir(".hg") 2009416SAndreas.Sandberg@ARM.com 2019416SAndreas.Sandberg@ARM.commercurial_style_message = """ 2029416SAndreas.Sandberg@ARM.comYou're missing the gem5 style hook, which automatically checks your code 2039416SAndreas.Sandberg@ARM.comagainst the gem5 style rules on hg commit and qrefresh commands. This 2049416SAndreas.Sandberg@ARM.comscript will now install the hook in your .hg/hgrc file. 2059416SAndreas.Sandberg@ARM.comPress enter to continue, or ctrl-c to abort: """ 2069416SAndreas.Sandberg@ARM.com 2075871Snate@binkert.orgmercurial_style_hook = """ 2085871Snate@binkert.org# The following lines were automatically added by gem5/SConstruct 2099416SAndreas.Sandberg@ARM.com# to provide the gem5 style-checking hooks 2109416SAndreas.Sandberg@ARM.com[extensions] 2115871Snate@binkert.orgstyle = %s/util/style.py 212955SN/A 2136121Snate@binkert.org[hooks] 2148881Smarc.orr@gmail.compretxncommit.style = python:style.check_style 2156121Snate@binkert.orgpre-qrefresh.style = python:style.check_style 2166121Snate@binkert.org# End of SConstruct additions 2171533SN/A 2189239Sandreas.hansson@arm.com""" % (main.root.abspath) 2199239Sandreas.hansson@arm.com 2209239Sandreas.hansson@arm.commercurial_lib_not_found = """ 2219239Sandreas.hansson@arm.comMercurial libraries cannot be found, ignoring style hook. If 2229239Sandreas.hansson@arm.comyou are a gem5 developer, please fix this and run the style 2239239Sandreas.hansson@arm.comhook. It is important. 2249239Sandreas.hansson@arm.com""" 2259239Sandreas.hansson@arm.com 2269239Sandreas.hansson@arm.com# Check for style hook and prompt for installation if it's not there. 2279239Sandreas.hansson@arm.com# Skip this if --ignore-style was specified, there's no .hg dir to 2289239Sandreas.hansson@arm.com# install a hook in, or there's no interactive terminal to prompt. 2299239Sandreas.hansson@arm.comif not GetOption('ignore_style') and hgdir.exists() and sys.stdin.isatty(): 2306655Snate@binkert.org style_hook = True 2316655Snate@binkert.org try: 2326655Snate@binkert.org from mercurial import ui 2336655Snate@binkert.org ui = ui.ui() 2345871Snate@binkert.org ui.readconfig(hgdir.File('hgrc').abspath) 2355871Snate@binkert.org style_hook = ui.config('hooks', 'pretxncommit.style', None) and \ 2365863Snate@binkert.org ui.config('hooks', 'pre-qrefresh.style', None) 2375871Snate@binkert.org except ImportError: 2388878Ssteve.reinhardt@amd.com print mercurial_lib_not_found 2395871Snate@binkert.org 2405871Snate@binkert.org if not style_hook: 2415871Snate@binkert.org print mercurial_style_message, 2425863Snate@binkert.org # continue unless user does ctrl-c/ctrl-d etc. 2436121Snate@binkert.org try: 2445863Snate@binkert.org raw_input() 2455871Snate@binkert.org except: 2468336Ssteve.reinhardt@amd.com print "Input exception, exiting scons.\n" 2478336Ssteve.reinhardt@amd.com sys.exit(1) 2488336Ssteve.reinhardt@amd.com hgrc_path = '%s/.hg/hgrc' % main.root.abspath 2498336Ssteve.reinhardt@amd.com print "Adding style hook to", hgrc_path, "\n" 2504678Snate@binkert.org try: 2518336Ssteve.reinhardt@amd.com hgrc = open(hgrc_path, 'a') 2528336Ssteve.reinhardt@amd.com hgrc.write(mercurial_style_hook) 2538336Ssteve.reinhardt@amd.com hgrc.close() 2544678Snate@binkert.org except: 2554678Snate@binkert.org print "Error updating", hgrc_path 2564678Snate@binkert.org sys.exit(1) 2574678Snate@binkert.org 2587827Snate@binkert.org 2597827Snate@binkert.org################################################### 2608336Ssteve.reinhardt@amd.com# 2614678Snate@binkert.org# Figure out which configurations to set up based on the path(s) of 2628336Ssteve.reinhardt@amd.com# the target(s). 2638336Ssteve.reinhardt@amd.com# 2648336Ssteve.reinhardt@amd.com################################################### 2658336Ssteve.reinhardt@amd.com 2668336Ssteve.reinhardt@amd.com# Find default configuration & binary. 2678336Ssteve.reinhardt@amd.comDefault(environ.get('M5_DEFAULT_BINARY', 'build/ALPHA/gem5.debug')) 2685871Snate@binkert.org 2695871Snate@binkert.org# helper function: find last occurrence of element in list 2708336Ssteve.reinhardt@amd.comdef rfind(l, elt, offs = -1): 2718336Ssteve.reinhardt@amd.com for i in range(len(l)+offs, 0, -1): 2728336Ssteve.reinhardt@amd.com if l[i] == elt: 2738336Ssteve.reinhardt@amd.com return i 2748336Ssteve.reinhardt@amd.com raise ValueError, "element not found" 2755871Snate@binkert.org 2768336Ssteve.reinhardt@amd.com# Take a list of paths (or SCons Nodes) and return a list with all 2778336Ssteve.reinhardt@amd.com# paths made absolute and ~-expanded. Paths will be interpreted 2788336Ssteve.reinhardt@amd.com# relative to the launch directory unless a different root is provided 2798336Ssteve.reinhardt@amd.comdef makePathListAbsolute(path_list, root=GetLaunchDir()): 2808336Ssteve.reinhardt@amd.com return [abspath(joinpath(root, expanduser(str(p)))) 2814678Snate@binkert.org for p in path_list] 2825871Snate@binkert.org 2834678Snate@binkert.org# Each target must have 'build' in the interior of the path; the 2848336Ssteve.reinhardt@amd.com# directory below this will determine the build parameters. For 2858336Ssteve.reinhardt@amd.com# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we 2868336Ssteve.reinhardt@amd.com# recognize that ALPHA_SE specifies the configuration because it 2878336Ssteve.reinhardt@amd.com# follow 'build' in the build path. 2888336Ssteve.reinhardt@amd.com 2898336Ssteve.reinhardt@amd.com# The funky assignment to "[:]" is needed to replace the list contents 2908336Ssteve.reinhardt@amd.com# in place rather than reassign the symbol to a new list, which 2918336Ssteve.reinhardt@amd.com# doesn't work (obviously!). 2928336Ssteve.reinhardt@amd.comBUILD_TARGETS[:] = makePathListAbsolute(BUILD_TARGETS) 2938336Ssteve.reinhardt@amd.com 2948336Ssteve.reinhardt@amd.com# Generate a list of the unique build roots and configs that the 2958336Ssteve.reinhardt@amd.com# collected targets reference. 2968336Ssteve.reinhardt@amd.comvariant_paths = [] 2978336Ssteve.reinhardt@amd.combuild_root = None 2988336Ssteve.reinhardt@amd.comfor t in BUILD_TARGETS: 2998336Ssteve.reinhardt@amd.com path_dirs = t.split('/') 3008336Ssteve.reinhardt@amd.com try: 3015871Snate@binkert.org build_top = rfind(path_dirs, 'build', -2) 3026121Snate@binkert.org except: 303955SN/A print "Error: no non-leaf 'build' dir found on target path", t 304955SN/A Exit(1) 3052632Sstever@eecs.umich.edu this_build_root = joinpath('/',*path_dirs[:build_top+1]) 3062632Sstever@eecs.umich.edu if not build_root: 307955SN/A build_root = this_build_root 308955SN/A else: 309955SN/A if this_build_root != build_root: 310955SN/A print "Error: build targets not under same build root\n"\ 3118878Ssteve.reinhardt@amd.com " %s\n %s" % (build_root, this_build_root) 312955SN/A Exit(1) 3132632Sstever@eecs.umich.edu variant_path = joinpath('/',*path_dirs[:build_top+2]) 3142632Sstever@eecs.umich.edu if variant_path not in variant_paths: 3152632Sstever@eecs.umich.edu variant_paths.append(variant_path) 3162632Sstever@eecs.umich.edu 3172632Sstever@eecs.umich.edu# Make sure build_root exists (might not if this is the first build there) 3182632Sstever@eecs.umich.eduif not isdir(build_root): 3192632Sstever@eecs.umich.edu mkdir(build_root) 3208268Ssteve.reinhardt@amd.commain['BUILDROOT'] = build_root 3218268Ssteve.reinhardt@amd.com 3228268Ssteve.reinhardt@amd.comExport('main') 3238268Ssteve.reinhardt@amd.com 3248268Ssteve.reinhardt@amd.commain.SConsignFile(joinpath(build_root, "sconsign")) 3258268Ssteve.reinhardt@amd.com 3268268Ssteve.reinhardt@amd.com# Default duplicate option is to use hard links, but this messes up 3272632Sstever@eecs.umich.edu# when you use emacs to edit a file in the target dir, as emacs moves 3282632Sstever@eecs.umich.edu# file to file~ then copies to file, breaking the link. Symbolic 3292632Sstever@eecs.umich.edu# (soft) links work better. 3302632Sstever@eecs.umich.edumain.SetOption('duplicate', 'soft-copy') 3318268Ssteve.reinhardt@amd.com 3322632Sstever@eecs.umich.edu# 3338268Ssteve.reinhardt@amd.com# Set up global sticky variables... these are common to an entire build 3348268Ssteve.reinhardt@amd.com# tree (not specific to a particular build like ALPHA_SE) 3358268Ssteve.reinhardt@amd.com# 3368268Ssteve.reinhardt@amd.com 3373718Sstever@eecs.umich.eduglobal_vars_file = joinpath(build_root, 'variables.global') 3382634Sstever@eecs.umich.edu 3392634Sstever@eecs.umich.eduglobal_vars = Variables(global_vars_file, args=ARGUMENTS) 3405863Snate@binkert.org 3412638Sstever@eecs.umich.eduglobal_vars.AddVariables( 3428268Ssteve.reinhardt@amd.com ('CC', 'C compiler', environ.get('CC', main['CC'])), 3432632Sstever@eecs.umich.edu ('CXX', 'C++ compiler', environ.get('CXX', main['CXX'])), 3442632Sstever@eecs.umich.edu ('BATCH', 'Use batch pool for build and tests', False), 3452632Sstever@eecs.umich.edu ('BATCH_CMD', 'Batch pool submission command name', 'qdo'), 3462632Sstever@eecs.umich.edu ('M5_BUILD_CACHE', 'Cache built objects in this directory', False), 3472632Sstever@eecs.umich.edu ('EXTRAS', 'Add extra directories to the compilation', '') 3481858SN/A ) 3493716Sstever@eecs.umich.edu 3502638Sstever@eecs.umich.edu# Update main environment with values from ARGUMENTS & global_vars_file 3512638Sstever@eecs.umich.eduglobal_vars.Update(main) 3522638Sstever@eecs.umich.eduhelp_texts["global_vars"] += global_vars.GenerateHelpText(main) 3532638Sstever@eecs.umich.edu 3542638Sstever@eecs.umich.edu# Save sticky variable settings back to current variables file 3552638Sstever@eecs.umich.eduglobal_vars.Save(global_vars_file, main) 3562638Sstever@eecs.umich.edu 3575863Snate@binkert.org# Parse EXTRAS variable to build list of all directories where we're 3585863Snate@binkert.org# look for sources etc. This list is exported as extras_dir_list. 3595863Snate@binkert.orgbase_dir = main.srcdir.abspath 360955SN/Aif main['EXTRAS']: 3615341Sstever@gmail.com extras_dir_list = makePathListAbsolute(main['EXTRAS'].split(':')) 3625341Sstever@gmail.comelse: 3635863Snate@binkert.org extras_dir_list = [] 3647756SAli.Saidi@ARM.com 3655341Sstever@gmail.comExport('base_dir') 3666121Snate@binkert.orgExport('extras_dir_list') 3674494Ssaidi@eecs.umich.edu 3686121Snate@binkert.org# the ext directory should be on the #includes path 3691105SN/Amain.Append(CPPPATH=[Dir('ext')]) 3702667Sstever@eecs.umich.edu 3712667Sstever@eecs.umich.edudef strip_build_path(path, env): 3722667Sstever@eecs.umich.edu path = str(path) 3732667Sstever@eecs.umich.edu variant_base = env['BUILDROOT'] + os.path.sep 3746121Snate@binkert.org if path.startswith(variant_base): 3752667Sstever@eecs.umich.edu path = path[len(variant_base):] 3765341Sstever@gmail.com elif path.startswith('build/'): 3775863Snate@binkert.org path = path[6:] 3785341Sstever@gmail.com return path 3795341Sstever@gmail.com 3805341Sstever@gmail.com# Generate a string of the form: 3818120Sgblack@eecs.umich.edu# common/path/prefix/src1, src2 -> tgt1, tgt2 3825341Sstever@gmail.com# to print while building. 3838120Sgblack@eecs.umich.educlass Transform(object): 3845341Sstever@gmail.com # all specific color settings should be here and nowhere else 3858120Sgblack@eecs.umich.edu tool_color = termcap.Normal 3866121Snate@binkert.org pfx_color = termcap.Yellow 3876121Snate@binkert.org srcs_color = termcap.Yellow + termcap.Bold 3888980Ssteve.reinhardt@amd.com arrow_color = termcap.Blue + termcap.Bold 3899396Sandreas.hansson@arm.com tgts_color = termcap.Yellow + termcap.Bold 3905397Ssaidi@eecs.umich.edu 3915397Ssaidi@eecs.umich.edu def __init__(self, tool, max_sources=99): 3927727SAli.Saidi@ARM.com self.format = self.tool_color + (" [%8s] " % tool) \ 3938268Ssteve.reinhardt@amd.com + self.pfx_color + "%s" \ 3946168Snate@binkert.org + self.srcs_color + "%s" \ 3955341Sstever@gmail.com + self.arrow_color + " -> " \ 3968120Sgblack@eecs.umich.edu + self.tgts_color + "%s" \ 3978120Sgblack@eecs.umich.edu + termcap.Normal 3988120Sgblack@eecs.umich.edu self.max_sources = max_sources 3996814Sgblack@eecs.umich.edu 4005863Snate@binkert.org def __call__(self, target, source, env, for_signature=None): 4018120Sgblack@eecs.umich.edu # truncate source list according to max_sources param 4025341Sstever@gmail.com source = source[0:self.max_sources] 4035863Snate@binkert.org def strip(f): 4048268Ssteve.reinhardt@amd.com return strip_build_path(str(f), env) 4056121Snate@binkert.org if len(source) > 0: 4066121Snate@binkert.org srcs = map(strip, source) 4078268Ssteve.reinhardt@amd.com else: 4085742Snate@binkert.org srcs = [''] 4095742Snate@binkert.org tgts = map(strip, target) 4105341Sstever@gmail.com # surprisingly, os.path.commonprefix is a dumb char-by-char string 4115742Snate@binkert.org # operation that has nothing to do with paths. 4125742Snate@binkert.org com_pfx = os.path.commonprefix(srcs + tgts) 4135341Sstever@gmail.com com_pfx_len = len(com_pfx) 4146017Snate@binkert.org if com_pfx: 4156121Snate@binkert.org # do some cleanup and sanity checking on common prefix 4166017Snate@binkert.org if com_pfx[-1] == ".": 4177816Ssteve.reinhardt@amd.com # prefix matches all but file extension: ok 4187756SAli.Saidi@ARM.com # back up one to change 'foo.cc -> o' to 'foo.cc -> .o' 4197756SAli.Saidi@ARM.com com_pfx = com_pfx[0:-1] 4207756SAli.Saidi@ARM.com elif com_pfx[-1] == "/": 4217756SAli.Saidi@ARM.com # common prefix is directory path: OK 4227756SAli.Saidi@ARM.com pass 4237756SAli.Saidi@ARM.com else: 4247756SAli.Saidi@ARM.com src0_len = len(srcs[0]) 4257756SAli.Saidi@ARM.com tgt0_len = len(tgts[0]) 4267816Ssteve.reinhardt@amd.com if src0_len == com_pfx_len: 4277816Ssteve.reinhardt@amd.com # source is a substring of target, OK 4287816Ssteve.reinhardt@amd.com pass 4297816Ssteve.reinhardt@amd.com elif tgt0_len == com_pfx_len: 4307816Ssteve.reinhardt@amd.com # target is a substring of source, need to back up to 4317816Ssteve.reinhardt@amd.com # avoid empty string on RHS of arrow 4327816Ssteve.reinhardt@amd.com sep_idx = com_pfx.rfind(".") 4337816Ssteve.reinhardt@amd.com if sep_idx != -1: 4347816Ssteve.reinhardt@amd.com com_pfx = com_pfx[0:sep_idx] 4357816Ssteve.reinhardt@amd.com else: 4367756SAli.Saidi@ARM.com com_pfx = '' 4377816Ssteve.reinhardt@amd.com elif src0_len > com_pfx_len and srcs[0][com_pfx_len] == ".": 4387816Ssteve.reinhardt@amd.com # still splitting at file extension: ok 4397816Ssteve.reinhardt@amd.com pass 4407816Ssteve.reinhardt@amd.com else: 4417816Ssteve.reinhardt@amd.com # probably a fluke; ignore it 4427816Ssteve.reinhardt@amd.com com_pfx = '' 4437816Ssteve.reinhardt@amd.com # recalculate length in case com_pfx was modified 4447816Ssteve.reinhardt@amd.com com_pfx_len = len(com_pfx) 4457816Ssteve.reinhardt@amd.com def fmt(files): 4467816Ssteve.reinhardt@amd.com f = map(lambda s: s[com_pfx_len:], files) 4477816Ssteve.reinhardt@amd.com return ', '.join(f) 4487816Ssteve.reinhardt@amd.com return self.format % (com_pfx, fmt(srcs), fmt(tgts)) 4497816Ssteve.reinhardt@amd.com 4507816Ssteve.reinhardt@amd.comExport('Transform') 4517816Ssteve.reinhardt@amd.com 4527816Ssteve.reinhardt@amd.com 4537816Ssteve.reinhardt@amd.comif GetOption('verbose'): 4547816Ssteve.reinhardt@amd.com def MakeAction(action, string, *args, **kwargs): 4557816Ssteve.reinhardt@amd.com return Action(action, *args, **kwargs) 4567816Ssteve.reinhardt@amd.comelse: 4577816Ssteve.reinhardt@amd.com MakeAction = Action 4587816Ssteve.reinhardt@amd.com main['CCCOMSTR'] = Transform("CC") 4597816Ssteve.reinhardt@amd.com main['CXXCOMSTR'] = Transform("CXX") 4607816Ssteve.reinhardt@amd.com main['ASCOMSTR'] = Transform("AS") 4617816Ssteve.reinhardt@amd.com main['SWIGCOMSTR'] = Transform("SWIG") 4627816Ssteve.reinhardt@amd.com main['ARCOMSTR'] = Transform("AR", 0) 4637816Ssteve.reinhardt@amd.com main['LINKCOMSTR'] = Transform("LINK", 0) 4647816Ssteve.reinhardt@amd.com main['RANLIBCOMSTR'] = Transform("RANLIB", 0) 4657816Ssteve.reinhardt@amd.com main['M4COMSTR'] = Transform("M4") 4667816Ssteve.reinhardt@amd.com main['SHCCCOMSTR'] = Transform("SHCC") 4677816Ssteve.reinhardt@amd.com main['SHCXXCOMSTR'] = Transform("SHCXX") 4687816Ssteve.reinhardt@amd.comExport('MakeAction') 4697816Ssteve.reinhardt@amd.com 4707816Ssteve.reinhardt@amd.comCXX_version = readCommand([main['CXX'],'--version'], exception=False) 4717816Ssteve.reinhardt@amd.comCXX_V = readCommand([main['CXX'],'-V'], exception=False) 4727816Ssteve.reinhardt@amd.com 4737816Ssteve.reinhardt@amd.commain['GCC'] = CXX_version and CXX_version.find('g++') >= 0 4747816Ssteve.reinhardt@amd.commain['SUNCC'] = CXX_V and CXX_V.find('Sun C++') >= 0 4757816Ssteve.reinhardt@amd.commain['ICC'] = CXX_V and CXX_V.find('Intel') >= 0 4767816Ssteve.reinhardt@amd.commain['CLANG'] = CXX_V and CXX_V.find('clang') >= 0 4777816Ssteve.reinhardt@amd.comif main['GCC'] + main['SUNCC'] + main['ICC'] + main['CLANG'] > 1: 4787816Ssteve.reinhardt@amd.com print 'Error: How can we have two at the same time?' 4797816Ssteve.reinhardt@amd.com Exit(1) 4807816Ssteve.reinhardt@amd.com 4817816Ssteve.reinhardt@amd.com# Set up default C++ compiler flags 4827816Ssteve.reinhardt@amd.comif main['GCC']: 4837816Ssteve.reinhardt@amd.com main.Append(CCFLAGS=['-pipe']) 4847816Ssteve.reinhardt@amd.com main.Append(CCFLAGS=['-fno-strict-aliasing']) 4857816Ssteve.reinhardt@amd.com main.Append(CCFLAGS=['-Wall', '-Wno-sign-compare', '-Wundef']) 4867816Ssteve.reinhardt@amd.com main.Append(CXXFLAGS=['-Wno-deprecated']) 4877816Ssteve.reinhardt@amd.com # Read the GCC version to check for versions with bugs 4887816Ssteve.reinhardt@amd.com # Note CCVERSION doesn't work here because it is run with the CC 4897816Ssteve.reinhardt@amd.com # before we override it from the command line 4907816Ssteve.reinhardt@amd.com gcc_version = readCommand([main['CXX'], '-dumpversion'], exception=False) 4917816Ssteve.reinhardt@amd.com main['GCC_VERSION'] = gcc_version 4927816Ssteve.reinhardt@amd.com if not compareVersions(gcc_version, '4.4.1') or \ 4937816Ssteve.reinhardt@amd.com not compareVersions(gcc_version, '4.4.2'): 4947816Ssteve.reinhardt@amd.com print 'Info: Tree vectorizer in GCC 4.4.1 & 4.4.2 is buggy, disabling.' 4957816Ssteve.reinhardt@amd.com main.Append(CCFLAGS=['-fno-tree-vectorize']) 4967816Ssteve.reinhardt@amd.comelif main['ICC']: 4977816Ssteve.reinhardt@amd.com pass #Fix me... add warning flags once we clean up icc warnings 4988947Sandreas.hansson@arm.comelif main['SUNCC']: 4998947Sandreas.hansson@arm.com main.Append(CCFLAGS=['-Qoption ccfe']) 5007756SAli.Saidi@ARM.com main.Append(CCFLAGS=['-features=gcc']) 5018120Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-features=extensions']) 5027756SAli.Saidi@ARM.com main.Append(CCFLAGS=['-library=stlport4']) 5037756SAli.Saidi@ARM.com main.Append(CCFLAGS=['-xar']) 5047756SAli.Saidi@ARM.com #main.Append(CCFLAGS=['-instances=semiexplicit']) 5057756SAli.Saidi@ARM.comelif main['CLANG']: 5067816Ssteve.reinhardt@amd.com clang_version_re = re.compile(".* version (\d+\.\d+)") 5077816Ssteve.reinhardt@amd.com clang_version_match = clang_version_re.match(CXX_version) 5087816Ssteve.reinhardt@amd.com if (clang_version_match): 5097816Ssteve.reinhardt@amd.com clang_version = clang_version_match.groups()[0] 5107816Ssteve.reinhardt@amd.com if compareVersions(clang_version, "2.9") < 0: 5117816Ssteve.reinhardt@amd.com print 'Error: clang version 2.9 or newer required.' 5127816Ssteve.reinhardt@amd.com print ' Installed version:', clang_version 5137816Ssteve.reinhardt@amd.com Exit(1) 5147816Ssteve.reinhardt@amd.com else: 5157816Ssteve.reinhardt@amd.com print 'Error: Unable to determine clang version.' 5167756SAli.Saidi@ARM.com Exit(1) 5177756SAli.Saidi@ARM.com 5189227Sandreas.hansson@arm.com main.Append(CCFLAGS=['-pipe']) 5199227Sandreas.hansson@arm.com main.Append(CCFLAGS=['-fno-strict-aliasing']) 5209227Sandreas.hansson@arm.com main.Append(CCFLAGS=['-Wall', '-Wno-sign-compare', '-Wundef']) 5219227Sandreas.hansson@arm.com main.Append(CCFLAGS=['-Wno-tautological-compare']) 5229590Sandreas@sandberg.pp.se main.Append(CCFLAGS=['-Wno-self-assign']) 5239590Sandreas@sandberg.pp.seelse: 5249590Sandreas@sandberg.pp.se print 'Error: Don\'t know what compiler options to use for your compiler.' 5259590Sandreas@sandberg.pp.se print ' Please fix SConstruct and src/SConscript and try again.' 5269590Sandreas@sandberg.pp.se Exit(1) 5279590Sandreas@sandberg.pp.se 5286654Snate@binkert.org# Set up common yacc/bison flags (needed for Ruby) 5296654Snate@binkert.orgmain['YACCFLAGS'] = '-d' 5305871Snate@binkert.orgmain['YACCHXXFILESUFFIX'] = '.hh' 5316121Snate@binkert.org 5328946Sandreas.hansson@arm.com# Do this after we save setting back, or else we'll tack on an 5339419Sandreas.hansson@arm.com# extra 'qdo' every time we run scons. 5343940Ssaidi@eecs.umich.eduif main['BATCH']: 5353918Ssaidi@eecs.umich.edu main['CC'] = main['BATCH_CMD'] + ' ' + main['CC'] 5363918Ssaidi@eecs.umich.edu main['CXX'] = main['BATCH_CMD'] + ' ' + main['CXX'] 5371858SN/A main['AS'] = main['BATCH_CMD'] + ' ' + main['AS'] 5389556Sandreas.hansson@arm.com main['AR'] = main['BATCH_CMD'] + ' ' + main['AR'] 5399556Sandreas.hansson@arm.com main['RANLIB'] = main['BATCH_CMD'] + ' ' + main['RANLIB'] 5409556Sandreas.hansson@arm.com 5419556Sandreas.hansson@arm.comif sys.platform == 'cygwin': 5429556Sandreas.hansson@arm.com # cygwin has some header file issues... 5439556Sandreas.hansson@arm.com main.Append(CCFLAGS=["-Wno-uninitialized"]) 5449556Sandreas.hansson@arm.com 5459556Sandreas.hansson@arm.com# Check for SWIG 5469556Sandreas.hansson@arm.comif not main.has_key('SWIG'): 5479556Sandreas.hansson@arm.com print 'Error: SWIG utility not found.' 5489556Sandreas.hansson@arm.com print ' Please install (see http://www.swig.org) and retry.' 5499556Sandreas.hansson@arm.com Exit(1) 5509556Sandreas.hansson@arm.com 5519556Sandreas.hansson@arm.com# Check for appropriate SWIG version 5529556Sandreas.hansson@arm.comswig_version = readCommand(('swig', '-version'), exception='').split() 5539556Sandreas.hansson@arm.com# First 3 words should be "SWIG Version x.y.z" 5549556Sandreas.hansson@arm.comif len(swig_version) < 3 or \ 5559556Sandreas.hansson@arm.com swig_version[0] != 'SWIG' or swig_version[1] != 'Version': 5569556Sandreas.hansson@arm.com print 'Error determining SWIG version.' 5579556Sandreas.hansson@arm.com Exit(1) 5589556Sandreas.hansson@arm.com 5599556Sandreas.hansson@arm.commin_swig_version = '1.3.28' 5609556Sandreas.hansson@arm.comif compareVersions(swig_version[2], min_swig_version) < 0: 5619556Sandreas.hansson@arm.com print 'Error: SWIG version', min_swig_version, 'or newer required.' 5629556Sandreas.hansson@arm.com print ' Installed version:', swig_version[2] 5639556Sandreas.hansson@arm.com Exit(1) 5649556Sandreas.hansson@arm.com 5659556Sandreas.hansson@arm.com# Set up SWIG flags & scanner 5669556Sandreas.hansson@arm.comswig_flags=Split('-c++ -python -modern -templatereduce $_CPPINCFLAGS') 5679556Sandreas.hansson@arm.commain.Append(SWIGFLAGS=swig_flags) 5689556Sandreas.hansson@arm.com 5699556Sandreas.hansson@arm.com# filter out all existing swig scanners, they mess up the dependency 5706121Snate@binkert.org# stuff for some reason 5719420Sandreas.hansson@arm.comscanners = [] 5729420Sandreas.hansson@arm.comfor scanner in main['SCANNERS']: 5739420Sandreas.hansson@arm.com skeys = scanner.skeys 5749420Sandreas.hansson@arm.com if skeys == '.i': 5759420Sandreas.hansson@arm.com continue 5769420Sandreas.hansson@arm.com 5779420Sandreas.hansson@arm.com if isinstance(skeys, (list, tuple)) and '.i' in skeys: 5789420Sandreas.hansson@arm.com continue 5799420Sandreas.hansson@arm.com 5809420Sandreas.hansson@arm.com scanners.append(scanner) 5819420Sandreas.hansson@arm.com 5827618SAli.Saidi@arm.com# add the new swig scanner that we like better 5837618SAli.Saidi@arm.comfrom SCons.Scanner import ClassicCPP as CPPScanner 5847618SAli.Saidi@arm.comswig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")' 5857739Sgblack@eecs.umich.eduscanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re)) 5869227Sandreas.hansson@arm.com 5879227Sandreas.hansson@arm.com# replace the scanners list that has what we want 5889227Sandreas.hansson@arm.commain['SCANNERS'] = scanners 5899227Sandreas.hansson@arm.com 5909227Sandreas.hansson@arm.com# Add a custom Check function to the Configure context so that we can 5919227Sandreas.hansson@arm.com# figure out if the compiler adds leading underscores to global 5929227Sandreas.hansson@arm.com# variables. This is needed for the autogenerated asm files that we 5939227Sandreas.hansson@arm.com# use for embedding the python code. 5949227Sandreas.hansson@arm.comdef CheckLeading(context): 5959227Sandreas.hansson@arm.com context.Message("Checking for leading underscore in global variables...") 5969227Sandreas.hansson@arm.com # 1) Define a global variable called x from asm so the C compiler 5979227Sandreas.hansson@arm.com # won't change the symbol at all. 5989227Sandreas.hansson@arm.com # 2) Declare that variable. 5999227Sandreas.hansson@arm.com # 3) Use the variable 6009227Sandreas.hansson@arm.com # 6019227Sandreas.hansson@arm.com # If the compiler prepends an underscore, this will successfully 6029227Sandreas.hansson@arm.com # link because the external symbol 'x' will be called '_x' which 6039227Sandreas.hansson@arm.com # was defined by the asm statement. If the compiler does not 6049590Sandreas@sandberg.pp.se # prepend an underscore, this will not successfully link because 6059590Sandreas@sandberg.pp.se # '_x' will have been defined by assembly, while the C portion of 6069590Sandreas@sandberg.pp.se # the code will be trying to use 'x' 6078737Skoansin.tan@gmail.com ret = context.TryLink(''' 6089420Sandreas.hansson@arm.com asm(".globl _x; _x: .byte 0"); 6099420Sandreas.hansson@arm.com extern int x; 6109420Sandreas.hansson@arm.com int main() { return x; } 6118737Skoansin.tan@gmail.com ''', extension=".c") 61210106SMitch.Hayenga@arm.com context.env.Append(LEADING_UNDERSCORE=ret) 6138737Skoansin.tan@gmail.com context.Result(ret) 6148737Skoansin.tan@gmail.com return ret 6158737Skoansin.tan@gmail.com 6168737Skoansin.tan@gmail.com# Platform-specific configuration. Note again that we assume that all 6178737Skoansin.tan@gmail.com# builds under a given build root run on the same host platform. 6188737Skoansin.tan@gmail.comconf = Configure(main, 6198737Skoansin.tan@gmail.com conf_dir = joinpath(build_root, '.scons_config'), 6208737Skoansin.tan@gmail.com log_file = joinpath(build_root, 'scons_config.log'), 6218737Skoansin.tan@gmail.com custom_tests = { 'CheckLeading' : CheckLeading }) 6228737Skoansin.tan@gmail.com 6239556Sandreas.hansson@arm.com# Check for leading underscores. Don't really need to worry either 6249556Sandreas.hansson@arm.com# way so don't need to check the return code. 6259556Sandreas.hansson@arm.comconf.CheckLeading() 6269556Sandreas.hansson@arm.com 6279556Sandreas.hansson@arm.com# Check if we should compile a 64 bit binary on Mac OS X/Darwin 6289556Sandreas.hansson@arm.comtry: 6299556Sandreas.hansson@arm.com import platform 6309556Sandreas.hansson@arm.com uname = platform.uname() 6319556Sandreas.hansson@arm.com if uname[0] == 'Darwin' and compareVersions(uname[2], '9.0.0') >= 0: 6329556Sandreas.hansson@arm.com if int(readCommand('sysctl -n hw.cpu64bit_capable')[0]): 6339590Sandreas@sandberg.pp.se main.Append(CCFLAGS=['-arch', 'x86_64']) 6349590Sandreas@sandberg.pp.se main.Append(CFLAGS=['-arch', 'x86_64']) 6359420Sandreas.hansson@arm.com main.Append(LINKFLAGS=['-arch', 'x86_64']) 6369846Sandreas.hansson@arm.com main.Append(ASFLAGS=['-arch', 'x86_64']) 6379846Sandreas.hansson@arm.comexcept: 6389846Sandreas.hansson@arm.com pass 6399846Sandreas.hansson@arm.com 6408946Sandreas.hansson@arm.com# Recent versions of scons substitute a "Null" object for Configure() 6413918Ssaidi@eecs.umich.edu# when configuration isn't necessary, e.g., if the "--help" option is 6429068SAli.Saidi@ARM.com# present. Unfortuantely this Null object always returns false, 6439068SAli.Saidi@ARM.com# breaking all our configuration checks. We replace it with our own 6449068SAli.Saidi@ARM.com# more optimistic null object that returns True instead. 6459068SAli.Saidi@ARM.comif not conf: 6469068SAli.Saidi@ARM.com def NullCheck(*args, **kwargs): 6479068SAli.Saidi@ARM.com return True 6489068SAli.Saidi@ARM.com 6499068SAli.Saidi@ARM.com class NullConf: 6509068SAli.Saidi@ARM.com def __init__(self, env): 6519419Sandreas.hansson@arm.com self.env = env 6529068SAli.Saidi@ARM.com def Finish(self): 6539068SAli.Saidi@ARM.com return self.env 6549068SAli.Saidi@ARM.com def __getattr__(self, mname): 6559068SAli.Saidi@ARM.com return NullCheck 6569068SAli.Saidi@ARM.com 6579068SAli.Saidi@ARM.com conf = NullConf(main) 6583918Ssaidi@eecs.umich.edu 6593918Ssaidi@eecs.umich.edu# Find Python include and library directories for embedding the 6606157Snate@binkert.org# interpreter. For consistency, we will use the same Python 6616157Snate@binkert.org# installation used to run scons (and thus this script). If you want 6626157Snate@binkert.org# to link in an alternate version, see above for instructions on how 6636157Snate@binkert.org# to invoke scons with a different copy of the Python interpreter. 6645397Ssaidi@eecs.umich.edufrom distutils import sysconfig 6655397Ssaidi@eecs.umich.edu 6666121Snate@binkert.orgpy_getvar = sysconfig.get_config_var 6676121Snate@binkert.org 6686121Snate@binkert.orgpy_debug = getattr(sys, 'pydebug', False) 6696121Snate@binkert.orgpy_version = 'python' + py_getvar('VERSION') + (py_debug and "_d" or "") 6706121Snate@binkert.org 6716121Snate@binkert.orgpy_general_include = sysconfig.get_python_inc() 6725397Ssaidi@eecs.umich.edupy_platform_include = sysconfig.get_python_inc(plat_specific=True) 6731851SN/Apy_includes = [ py_general_include ] 6741851SN/Aif py_platform_include != py_general_include: 6757739Sgblack@eecs.umich.edu py_includes.append(py_platform_include) 676955SN/A 6779396Sandreas.hansson@arm.compy_lib_path = [ py_getvar('LIBDIR') ] 6789396Sandreas.hansson@arm.com# add the prefix/lib/pythonX.Y/config dir, but only if there is no 6799396Sandreas.hansson@arm.com# shared library in prefix/lib/. 6809396Sandreas.hansson@arm.comif not py_getvar('Py_ENABLE_SHARED'): 6819396Sandreas.hansson@arm.com py_lib_path.append(py_getvar('LIBPL')) 6829396Sandreas.hansson@arm.com 6839396Sandreas.hansson@arm.compy_libs = [] 6849396Sandreas.hansson@arm.comfor lib in py_getvar('LIBS').split() + py_getvar('SYSLIBS').split(): 6859396Sandreas.hansson@arm.com if not lib.startswith('-l'): 6869396Sandreas.hansson@arm.com # Python requires some special flags to link (e.g. -framework 6879396Sandreas.hansson@arm.com # common on OS X systems), assume appending preserves order 6889396Sandreas.hansson@arm.com main.Append(LINKFLAGS=[lib]) 6899396Sandreas.hansson@arm.com else: 6909396Sandreas.hansson@arm.com lib = lib[2:] 6919396Sandreas.hansson@arm.com if lib not in py_libs: 6929396Sandreas.hansson@arm.com py_libs.append(lib) 6939477Sandreas.hansson@arm.compy_libs.append(py_version) 6949477Sandreas.hansson@arm.com 6959477Sandreas.hansson@arm.commain.Append(CPPPATH=py_includes) 6969477Sandreas.hansson@arm.commain.Append(LIBPATH=py_lib_path) 6979477Sandreas.hansson@arm.com 6989477Sandreas.hansson@arm.com# Cache build files in the supplied directory. 6999477Sandreas.hansson@arm.comif main['M5_BUILD_CACHE']: 7009477Sandreas.hansson@arm.com print 'Using build cache located at', main['M5_BUILD_CACHE'] 7019477Sandreas.hansson@arm.com CacheDir(main['M5_BUILD_CACHE']) 7029477Sandreas.hansson@arm.com 7039477Sandreas.hansson@arm.com 7049477Sandreas.hansson@arm.com# verify that this stuff works 7059477Sandreas.hansson@arm.comif not conf.CheckHeader('Python.h', '<>'): 7069477Sandreas.hansson@arm.com print "Error: can't find Python.h header in", py_includes 7079477Sandreas.hansson@arm.com Exit(1) 7089477Sandreas.hansson@arm.com 7099477Sandreas.hansson@arm.comfor lib in py_libs: 7109477Sandreas.hansson@arm.com if not conf.CheckLib(lib): 7119477Sandreas.hansson@arm.com print "Error: can't find library %s required by python" % lib 7129477Sandreas.hansson@arm.com Exit(1) 7139477Sandreas.hansson@arm.com 7149477Sandreas.hansson@arm.com# On Solaris you need to use libsocket for socket ops 7159396Sandreas.hansson@arm.comif not conf.CheckLibWithHeader(None, 'sys/socket.h', 'C++', 'accept(0,0,0);'): 7163053Sstever@eecs.umich.edu if not conf.CheckLibWithHeader('socket', 'sys/socket.h', 'C++', 'accept(0,0,0);'): 7176121Snate@binkert.org print "Can't find library with socket calls (e.g. accept())" 7183053Sstever@eecs.umich.edu Exit(1) 7193053Sstever@eecs.umich.edu 7203053Sstever@eecs.umich.edu# Check for zlib. If the check passes, libz will be automatically 7213053Sstever@eecs.umich.edu# added to the LIBS environment variable. 7223053Sstever@eecs.umich.eduif not conf.CheckLibWithHeader('z', 'zlib.h', 'C++','zlibVersion();'): 7239072Sandreas.hansson@arm.com print 'Error: did not find needed zlib compression library '\ 7243053Sstever@eecs.umich.edu 'and/or zlib.h header file.' 7254742Sstever@eecs.umich.edu print ' Please install zlib and try again.' 7264742Sstever@eecs.umich.edu Exit(1) 7273053Sstever@eecs.umich.edu 7283053Sstever@eecs.umich.edu# Check for librt. 7293053Sstever@eecs.umich.eduhave_posix_clock = \ 73010181SCurtis.Dunham@arm.com conf.CheckLibWithHeader(None, 'time.h', 'C', 7316654Snate@binkert.org 'clock_nanosleep(0,0,NULL,NULL);') or \ 7323053Sstever@eecs.umich.edu conf.CheckLibWithHeader('rt', 'time.h', 'C', 7333053Sstever@eecs.umich.edu 'clock_nanosleep(0,0,NULL,NULL);') 7343053Sstever@eecs.umich.edu 7353053Sstever@eecs.umich.eduif not have_posix_clock: 7362667Sstever@eecs.umich.edu print "Can't find library for POSIX clocks." 7374554Sbinkertn@umich.edu 7386121Snate@binkert.org# Check for <fenv.h> (C99 FP environment control) 7392667Sstever@eecs.umich.eduhave_fenv = conf.CheckHeader('fenv.h', '<>') 7404554Sbinkertn@umich.eduif not have_fenv: 7414554Sbinkertn@umich.edu print "Warning: Header file <fenv.h> not found." 7424554Sbinkertn@umich.edu print " This host has no IEEE FP rounding mode control." 7436121Snate@binkert.org 7444554Sbinkertn@umich.edu###################################################################### 7454554Sbinkertn@umich.edu# 7464554Sbinkertn@umich.edu# Finish the configuration 7474781Snate@binkert.org# 7484554Sbinkertn@umich.edumain = conf.Finish() 7494554Sbinkertn@umich.edu 7502667Sstever@eecs.umich.edu###################################################################### 7514554Sbinkertn@umich.edu# 7524554Sbinkertn@umich.edu# Collect all non-global variables 7534554Sbinkertn@umich.edu# 7544554Sbinkertn@umich.edu 7552667Sstever@eecs.umich.edu# Define the universe of supported ISAs 7564554Sbinkertn@umich.eduall_isa_list = [ ] 7572667Sstever@eecs.umich.eduExport('all_isa_list') 7584554Sbinkertn@umich.edu 7596121Snate@binkert.orgclass CpuModel(object): 7602667Sstever@eecs.umich.edu '''The CpuModel class encapsulates everything the ISA parser needs to 7615522Snate@binkert.org know about a particular CPU model.''' 7625522Snate@binkert.org 7635522Snate@binkert.org # Dict of available CPU model objects. Accessible as CpuModel.dict. 7645522Snate@binkert.org dict = {} 7655522Snate@binkert.org list = [] 7665522Snate@binkert.org defaults = [] 7675522Snate@binkert.org 7685522Snate@binkert.org # Constructor. Automatically adds models to CpuModel.dict. 7695522Snate@binkert.org def __init__(self, name, filename, includes, strings, default=False): 7705522Snate@binkert.org self.name = name # name of model 7715522Snate@binkert.org self.filename = filename # filename for output exec code 7725522Snate@binkert.org self.includes = includes # include files needed in exec file 7735522Snate@binkert.org # The 'strings' dict holds all the per-CPU symbols we can 7745522Snate@binkert.org # substitute into templates etc. 7755522Snate@binkert.org self.strings = strings 7765522Snate@binkert.org 7775522Snate@binkert.org # This cpu is enabled by default 7785522Snate@binkert.org self.default = default 7795522Snate@binkert.org 7805522Snate@binkert.org # Add self to dict 7815522Snate@binkert.org if name in CpuModel.dict: 7825522Snate@binkert.org raise AttributeError, "CpuModel '%s' already registered" % name 7835522Snate@binkert.org CpuModel.dict[name] = self 7845522Snate@binkert.org CpuModel.list.append(name) 7855522Snate@binkert.org 7865522Snate@binkert.orgExport('CpuModel') 7879986Sandreas@sandberg.pp.se 7889986Sandreas@sandberg.pp.se# Sticky variables get saved in the variables file so they persist from 7899986Sandreas@sandberg.pp.se# one invocation to the next (unless overridden, in which case the new 7909986Sandreas@sandberg.pp.se# value becomes sticky). 7919986Sandreas@sandberg.pp.sesticky_vars = Variables(args=ARGUMENTS) 7929986Sandreas@sandberg.pp.seExport('sticky_vars') 7939986Sandreas@sandberg.pp.se 7949986Sandreas@sandberg.pp.se# Sticky variables that should be exported 7959986Sandreas@sandberg.pp.seexport_vars = [] 7969986Sandreas@sandberg.pp.seExport('export_vars') 7979986Sandreas@sandberg.pp.se 7989986Sandreas@sandberg.pp.se# Walk the tree and execute all SConsopts scripts that wil add to the 7999986Sandreas@sandberg.pp.se# above variables 8009986Sandreas@sandberg.pp.seif not GetOption('verbose'): 8019986Sandreas@sandberg.pp.se print "Reading SConsopts" 8029986Sandreas@sandberg.pp.sefor bdir in [ base_dir ] + extras_dir_list: 8039986Sandreas@sandberg.pp.se if not isdir(bdir): 8049986Sandreas@sandberg.pp.se print "Error: directory '%s' does not exist" % bdir 8059986Sandreas@sandberg.pp.se Exit(1) 8069986Sandreas@sandberg.pp.se for root, dirs, files in os.walk(bdir): 8072638Sstever@eecs.umich.edu if 'SConsopts' in files: 8082638Sstever@eecs.umich.edu if GetOption('verbose'): 8096121Snate@binkert.org print "Reading", joinpath(root, 'SConsopts') 8103716Sstever@eecs.umich.edu SConscript(joinpath(root, 'SConsopts')) 8115522Snate@binkert.org 8129986Sandreas@sandberg.pp.seall_isa_list.sort() 8139986Sandreas@sandberg.pp.se 8149986Sandreas@sandberg.pp.sesticky_vars.AddVariables( 8159986Sandreas@sandberg.pp.se EnumVariable('TARGET_ISA', 'Target ISA', 'alpha', all_isa_list), 8165522Snate@binkert.org ListVariable('CPU_MODELS', 'CPU models', 8175522Snate@binkert.org sorted(n for n,m in CpuModel.dict.iteritems() if m.default), 8185522Snate@binkert.org sorted(CpuModel.list)), 8195522Snate@binkert.org BoolVariable('NO_FAST_ALLOC', 'Disable fast object allocator', False), 8201858SN/A BoolVariable('FORCE_FAST_ALLOC', 8215227Ssaidi@eecs.umich.edu 'Enable fast object allocator, even for gem5.debug', False), 8225227Ssaidi@eecs.umich.edu BoolVariable('FAST_ALLOC_STATS', 'Enable fast object allocator statistics', 8235227Ssaidi@eecs.umich.edu False), 8245227Ssaidi@eecs.umich.edu BoolVariable('EFENCE', 'Link with Electric Fence malloc debugger', 8256654Snate@binkert.org False), 8266654Snate@binkert.org BoolVariable('SS_COMPATIBLE_FP', 8277769SAli.Saidi@ARM.com 'Make floating-point results compatible with SimpleScalar', 8287769SAli.Saidi@ARM.com False), 8297769SAli.Saidi@ARM.com BoolVariable('USE_SSE2', 8307769SAli.Saidi@ARM.com 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', 8315227Ssaidi@eecs.umich.edu False), 8325227Ssaidi@eecs.umich.edu BoolVariable('USE_POSIX_CLOCK', 'Use POSIX Clocks', have_posix_clock), 8335227Ssaidi@eecs.umich.edu BoolVariable('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), 8345204Sstever@gmail.com BoolVariable('USE_CHECKER', 'Use checker for detailed CPU models', False), 8355204Sstever@gmail.com BoolVariable('CP_ANNOTATE', 'Enable critical path annotation capability', False), 8365204Sstever@gmail.com ) 8375204Sstever@gmail.com 8385204Sstever@gmail.com# These variables get exported to #defines in config/*.hh (see src/SConscript). 8395204Sstever@gmail.comexport_vars += ['USE_FENV', 'NO_FAST_ALLOC', 'FORCE_FAST_ALLOC', 8405204Sstever@gmail.com 'FAST_ALLOC_STATS', 'SS_COMPATIBLE_FP', 'USE_CHECKER', 8415204Sstever@gmail.com 'TARGET_ISA', 'CP_ANNOTATE', 'USE_POSIX_CLOCK' ] 8425204Sstever@gmail.com 8435204Sstever@gmail.com################################################### 8445204Sstever@gmail.com# 8455204Sstever@gmail.com# Define a SCons builder for configuration flag headers. 8465204Sstever@gmail.com# 8475204Sstever@gmail.com################################################### 8485204Sstever@gmail.com 8495204Sstever@gmail.com# This function generates a config header file that #defines the 8505204Sstever@gmail.com# variable symbol to the current variable setting (0 or 1). The source 8516121Snate@binkert.org# operands are the name of the variable and a Value node containing the 8525204Sstever@gmail.com# value of the variable. 8537727SAli.Saidi@ARM.comdef build_config_file(target, source, env): 8547727SAli.Saidi@ARM.com (variable, value) = [s.get_contents() for s in source] 8557727SAli.Saidi@ARM.com f = file(str(target[0]), 'w') 8567727SAli.Saidi@ARM.com print >> f, '#define', variable, value 8577727SAli.Saidi@ARM.com f.close() 8589812Sandreas.hansson@arm.com return None 8599812Sandreas.hansson@arm.com 8609812Sandreas.hansson@arm.com# Combine the two functions into a scons Action object. 8619812Sandreas.hansson@arm.comconfig_action = MakeAction(build_config_file, Transform("CONFIG H", 2)) 8629812Sandreas.hansson@arm.com 8639812Sandreas.hansson@arm.com# The emitter munges the source & target node lists to reflect what 8649812Sandreas.hansson@arm.com# we're really doing. 86510158Sstian@dream-web.nodef config_emitter(target, source, env): 86610158Sstian@dream-web.no # extract variable name from Builder arg 86710158Sstian@dream-web.no variable = str(target[0]) 86810158Sstian@dream-web.no # True target is config header file 86910160Sandreas.hansson@arm.com target = joinpath('config', variable.lower() + '.hh') 87010160Sandreas.hansson@arm.com val = env[variable] 87110158Sstian@dream-web.no if isinstance(val, bool): 8729812Sandreas.hansson@arm.com # Force value to 0/1 8739812Sandreas.hansson@arm.com val = int(val) 8749812Sandreas.hansson@arm.com elif isinstance(val, str): 8759812Sandreas.hansson@arm.com val = '"' + val + '"' 8769812Sandreas.hansson@arm.com 8779812Sandreas.hansson@arm.com # Sources are variable name & value (packaged in SCons Value nodes) 8789812Sandreas.hansson@arm.com return ([target], [Value(variable), Value(val)]) 87910158Sstian@dream-web.no 8809812Sandreas.hansson@arm.comconfig_builder = Builder(emitter = config_emitter, action = config_action) 8819812Sandreas.hansson@arm.com 8829812Sandreas.hansson@arm.commain.Append(BUILDERS = { 'ConfigFile' : config_builder }) 8839812Sandreas.hansson@arm.com 8849812Sandreas.hansson@arm.com# libelf build is shared across all configs in the build root. 8859812Sandreas.hansson@arm.commain.SConscript('ext/libelf/SConscript', 8869812Sandreas.hansson@arm.com variant_dir = joinpath(build_root, 'libelf')) 8879812Sandreas.hansson@arm.com 8887727SAli.Saidi@ARM.com# gzstream build is shared across all configs in the build root. 8895863Snate@binkert.orgmain.SConscript('ext/gzstream/SConscript', 8903118Sstever@eecs.umich.edu variant_dir = joinpath(build_root, 'gzstream')) 8915863Snate@binkert.org 8929239Sandreas.hansson@arm.com################################################### 8933118Sstever@eecs.umich.edu# 8943118Sstever@eecs.umich.edu# This function is used to set up a directory with switching headers 8955863Snate@binkert.org# 8965863Snate@binkert.org################################################### 8975863Snate@binkert.org 8985863Snate@binkert.orgmain['ALL_ISA_LIST'] = all_isa_list 8993118Sstever@eecs.umich.edudef make_switching_dir(dname, switch_headers, env): 9003483Ssaidi@eecs.umich.edu # Generate the header. target[0] is the full path of the output 9013494Ssaidi@eecs.umich.edu # header to generate. 'source' is a dummy variable, since we get the 9023494Ssaidi@eecs.umich.edu # list of ISAs from env['ALL_ISA_LIST']. 9033483Ssaidi@eecs.umich.edu def gen_switch_hdr(target, source, env): 9043483Ssaidi@eecs.umich.edu fname = str(target[0]) 9053483Ssaidi@eecs.umich.edu f = open(fname, 'w') 9063053Sstever@eecs.umich.edu isa = env['TARGET_ISA'].lower() 9073053Sstever@eecs.umich.edu print >>f, '#include "%s/%s/%s"' % (dname, isa, basename(fname)) 9083918Ssaidi@eecs.umich.edu f.close() 9093053Sstever@eecs.umich.edu 9103053Sstever@eecs.umich.edu # Build SCons Action object. 'varlist' specifies env vars that this 9113053Sstever@eecs.umich.edu # action depends on; when env['ALL_ISA_LIST'] changes these actions 9123053Sstever@eecs.umich.edu # should get re-executed. 9133053Sstever@eecs.umich.edu switch_hdr_action = MakeAction(gen_switch_hdr, 9149396Sandreas.hansson@arm.com Transform("GENERATE"), varlist=['ALL_ISA_LIST']) 9159396Sandreas.hansson@arm.com 9169396Sandreas.hansson@arm.com # Instantiate actions for each header 9179396Sandreas.hansson@arm.com for hdr in switch_headers: 9189396Sandreas.hansson@arm.com env.Command(hdr, [], switch_hdr_action) 9199396Sandreas.hansson@arm.comExport('make_switching_dir') 9209396Sandreas.hansson@arm.com 9219396Sandreas.hansson@arm.com################################################### 9229396Sandreas.hansson@arm.com# 9239477Sandreas.hansson@arm.com# Define build environments for selected configurations. 9249396Sandreas.hansson@arm.com# 9259477Sandreas.hansson@arm.com################################################### 9269477Sandreas.hansson@arm.com 9279477Sandreas.hansson@arm.comfor variant_path in variant_paths: 9289477Sandreas.hansson@arm.com print "Building in", variant_path 9299396Sandreas.hansson@arm.com 9307840Snate@binkert.org # Make a copy of the build-root environment to use for this config. 9317865Sgblack@eecs.umich.edu env = main.Clone() 9327865Sgblack@eecs.umich.edu env['BUILDDIR'] = variant_path 9337865Sgblack@eecs.umich.edu 9347865Sgblack@eecs.umich.edu # variant_dir is the tail component of build path, and is used to 9357865Sgblack@eecs.umich.edu # determine the build parameters (e.g., 'ALPHA_SE') 9367840Snate@binkert.org (build_root, variant_dir) = splitpath(variant_path) 9379900Sandreas@sandberg.pp.se 9389900Sandreas@sandberg.pp.se # Set env variables according to the build directory config. 9399900Sandreas@sandberg.pp.se sticky_vars.files = [] 9409900Sandreas@sandberg.pp.se # Variables for $BUILD_ROOT/$VARIANT_DIR are stored in 9419591Sandreas@sandberg.pp.se # $BUILD_ROOT/variables/$VARIANT_DIR so you can nuke 9429591Sandreas@sandberg.pp.se # $BUILD_ROOT/$VARIANT_DIR without losing your variables settings. 9439591Sandreas@sandberg.pp.se current_vars_file = joinpath(build_root, 'variables', variant_dir) 9449590Sandreas@sandberg.pp.se if isfile(current_vars_file): 9459590Sandreas@sandberg.pp.se sticky_vars.files.append(current_vars_file) 9469045SAli.Saidi@ARM.com print "Using saved variables file %s" % current_vars_file 9479045SAli.Saidi@ARM.com else: 9489071Sandreas.hansson@arm.com # Build dir-specific variables file doesn't exist. 9499071Sandreas.hansson@arm.com 9509045SAli.Saidi@ARM.com # Make sure the directory is there so we can create it later 9517840Snate@binkert.org opt_dir = dirname(current_vars_file) 9527840Snate@binkert.org if not isdir(opt_dir): 9537840Snate@binkert.org mkdir(opt_dir) 9541858SN/A 9551858SN/A # Get default build variables from source tree. Variables are 9561858SN/A # normally determined by name of $VARIANT_DIR, but can be 9571858SN/A # overridden by '--default=' arg on command line. 9581858SN/A default = GetOption('default') 9591858SN/A opts_dir = joinpath(main.root.abspath, 'build_opts') 9609903Sandreas.hansson@arm.com if default: 9619903Sandreas.hansson@arm.com default_vars_files = [joinpath(build_root, 'variables', default), 9629903Sandreas.hansson@arm.com joinpath(opts_dir, default)] 9639903Sandreas.hansson@arm.com else: 9649903Sandreas.hansson@arm.com default_vars_files = [joinpath(opts_dir, variant_dir)] 9659903Sandreas.hansson@arm.com existing_files = filter(isfile, default_vars_files) 9669651SAndreas.Sandberg@ARM.com if existing_files: 9679903Sandreas.hansson@arm.com default_vars_file = existing_files[0] 9689651SAndreas.Sandberg@ARM.com sticky_vars.files.append(default_vars_file) 9699651SAndreas.Sandberg@ARM.com print "Variables file %s not found,\n using defaults in %s" \ 9709651SAndreas.Sandberg@ARM.com % (current_vars_file, default_vars_file) 9719651SAndreas.Sandberg@ARM.com else: 9729651SAndreas.Sandberg@ARM.com print "Error: cannot find variables file %s or " \ 9739657Sandreas.sandberg@arm.com "default file(s) %s" \ 9749883Sandreas@sandberg.pp.se % (current_vars_file, ' or '.join(default_vars_files)) 9759651SAndreas.Sandberg@ARM.com Exit(1) 9769651SAndreas.Sandberg@ARM.com 9779651SAndreas.Sandberg@ARM.com # Apply current variable settings to env 9789651SAndreas.Sandberg@ARM.com sticky_vars.Update(env) 9799651SAndreas.Sandberg@ARM.com 9809651SAndreas.Sandberg@ARM.com help_texts["local_vars"] += \ 9819651SAndreas.Sandberg@ARM.com "Build variables for %s:\n" % variant_dir \ 9829651SAndreas.Sandberg@ARM.com + sticky_vars.GenerateHelpText(env) 9839651SAndreas.Sandberg@ARM.com 9849651SAndreas.Sandberg@ARM.com # Process variable settings. 9859651SAndreas.Sandberg@ARM.com 9869986Sandreas@sandberg.pp.se if not have_fenv and env['USE_FENV']: 9879986Sandreas@sandberg.pp.se print "Warning: <fenv.h> not available; " \ 9889986Sandreas@sandberg.pp.se "forcing USE_FENV to False in", variant_dir + "." 9899986Sandreas@sandberg.pp.se env['USE_FENV'] = False 9909986Sandreas@sandberg.pp.se 9919986Sandreas@sandberg.pp.se if not env['USE_FENV']: 9925863Snate@binkert.org print "Warning: No IEEE FP rounding mode control in", variant_dir + "." 9935863Snate@binkert.org print " FP results may deviate slightly from other platforms." 9945863Snate@binkert.org 9955863Snate@binkert.org if env['EFENCE']: 9966121Snate@binkert.org env.Append(LIBS=['efence']) 9971858SN/A 9985863Snate@binkert.org # Save sticky variable settings back to current variables file 9995863Snate@binkert.org sticky_vars.Save(current_vars_file, env) 10005863Snate@binkert.org 10015863Snate@binkert.org if env['USE_SSE2']: 10025863Snate@binkert.org env.Append(CCFLAGS=['-msse2']) 10032139SN/A 10044202Sbinkertn@umich.edu # The src/SConscript file sets up the build rules in 'env' according 10054202Sbinkertn@umich.edu # to the configured variables. It returns a list of environments, 10062139SN/A # one for each variant build (debug, opt, etc.) 10076994Snate@binkert.org envList = SConscript('src/SConscript', variant_dir = variant_path, 10086994Snate@binkert.org exports = 'env') 10096994Snate@binkert.org 10106994Snate@binkert.org # Set up the regression tests for each build. 10116994Snate@binkert.org for e in envList: 10126994Snate@binkert.org SConscript('tests/SConscript', 10136994Snate@binkert.org variant_dir = joinpath(variant_path, 'tests', e.Label), 10146994Snate@binkert.org exports = { 'env' : e }, duplicate = False) 10156994Snate@binkert.org 10166994Snate@binkert.org# base help text 10176994Snate@binkert.orgHelp(''' 10186994Snate@binkert.orgUsage: scons [scons options] [build variables] [target(s)] 10196994Snate@binkert.org 10206994Snate@binkert.orgExtra scons options: 10216994Snate@binkert.org%(options)s 10226994Snate@binkert.org 10236994Snate@binkert.orgGlobal build variables: 10246994Snate@binkert.org%(global_vars)s 10256994Snate@binkert.org 10266994Snate@binkert.org%(local_vars)s 10276994Snate@binkert.org''' % help_texts) 10286994Snate@binkert.org