SConstruct revision 5397
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# Authors: Steve Reinhardt 30955SN/A 31955SN/A################################################### 32955SN/A# 33955SN/A# SCons top-level build description (SConstruct) file. 34955SN/A# 352632Sstever@eecs.umich.edu# While in this directory ('m5'), just type 'scons' to build the default 362632Sstever@eecs.umich.edu# configuration (see below), or type 'scons build/<CONFIG>/<binary>' 372632Sstever@eecs.umich.edu# to build some other configuration (e.g., 'build/ALPHA_FS/m5.opt' for 382632Sstever@eecs.umich.edu# the optimized full-system version). 39955SN/A# 402632Sstever@eecs.umich.edu# You can build M5 in a different directory as long as there is a 412632Sstever@eecs.umich.edu# 'build/<CONFIG>' somewhere along the target path. The build system 422761Sstever@eecs.umich.edu# expects that all configs under the same build directory are being 432632Sstever@eecs.umich.edu# built for the same host system. 442632Sstever@eecs.umich.edu# 452632Sstever@eecs.umich.edu# Examples: 462761Sstever@eecs.umich.edu# 472761Sstever@eecs.umich.edu# The following two commands are equivalent. The '-u' option tells 482761Sstever@eecs.umich.edu# scons to search up the directory tree for this SConstruct file. 492632Sstever@eecs.umich.edu# % cd <path-to-src>/m5 ; scons build/ALPHA_FS/m5.debug 502632Sstever@eecs.umich.edu# % cd <path-to-src>/m5/build/ALPHA_FS; scons -u m5.debug 512761Sstever@eecs.umich.edu# 522761Sstever@eecs.umich.edu# The following two commands are equivalent and demonstrate building 532761Sstever@eecs.umich.edu# in a directory outside of the source tree. The '-C' option tells 542761Sstever@eecs.umich.edu# scons to chdir to the specified directory to find this SConstruct 552761Sstever@eecs.umich.edu# file. 562632Sstever@eecs.umich.edu# % cd <path-to-src>/m5 ; scons /local/foo/build/ALPHA_FS/m5.debug 572632Sstever@eecs.umich.edu# % cd /local/foo/build/ALPHA_FS; scons -C <path-to-src>/m5 m5.debug 582632Sstever@eecs.umich.edu# 592632Sstever@eecs.umich.edu# You can use 'scons -H' to print scons options. If you're in this 602632Sstever@eecs.umich.edu# 'm5' directory (or use -u or -C to tell scons where to find this 612632Sstever@eecs.umich.edu# file), you can use 'scons -h' to print all the M5-specific build 622632Sstever@eecs.umich.edu# options as well. 63955SN/A# 64955SN/A################################################### 65955SN/A 66955SN/Aimport sys 67955SN/Aimport os 685396Ssaidi@eecs.umich.eduimport re 694202Sbinkertn@umich.edu 705342Sstever@gmail.comfrom os.path import isdir, isfile, join as joinpath 71955SN/A 725273Sstever@gmail.comimport SCons 735273Sstever@gmail.com 742656Sstever@eecs.umich.edu# Check for recent-enough Python and SCons versions. If your system's 752656Sstever@eecs.umich.edu# default installation of Python is not recent enough, you can use a 762656Sstever@eecs.umich.edu# non-default installation of the Python interpreter by either (1) 772656Sstever@eecs.umich.edu# rearranging your PATH so that scons finds the non-default 'python' 782656Sstever@eecs.umich.edu# first or (2) explicitly invoking an alternative interpreter on the 792656Sstever@eecs.umich.edu# scons script, e.g., "/usr/local/bin/python2.4 `which scons` [args]". 802656Sstever@eecs.umich.eduEnsurePythonVersion(2,4) 812653Sstever@eecs.umich.edu 825227Ssaidi@eecs.umich.edu# Import subprocess after we check the version since it doesn't exist in 835227Ssaidi@eecs.umich.edu# Python < 2.4. 845227Ssaidi@eecs.umich.eduimport subprocess 855227Ssaidi@eecs.umich.edu 865396Ssaidi@eecs.umich.edu# helper function: compare arrays or strings of version numbers. 875396Ssaidi@eecs.umich.edu# E.g., compare_version((1,3,25), (1,4,1)') 885396Ssaidi@eecs.umich.edu# returns -1, 0, 1 if v1 is <, ==, > v2 895396Ssaidi@eecs.umich.edudef compare_versions(v1, v2): 905396Ssaidi@eecs.umich.edu def make_version_list(v): 915396Ssaidi@eecs.umich.edu if isinstance(v, (list,tuple)): 925396Ssaidi@eecs.umich.edu return v 935396Ssaidi@eecs.umich.edu elif isinstance(v, str): 945396Ssaidi@eecs.umich.edu return map(int, v.split('.')) 955396Ssaidi@eecs.umich.edu else: 965396Ssaidi@eecs.umich.edu raise TypeError 975396Ssaidi@eecs.umich.edu 985396Ssaidi@eecs.umich.edu v1 = make_version_list(v1) 995396Ssaidi@eecs.umich.edu v2 = make_version_list(v2) 1005396Ssaidi@eecs.umich.edu # Compare corresponding elements of lists 1015396Ssaidi@eecs.umich.edu for n1,n2 in zip(v1, v2): 1025396Ssaidi@eecs.umich.edu if n1 < n2: return -1 1035396Ssaidi@eecs.umich.edu if n1 > n2: return 1 1045396Ssaidi@eecs.umich.edu # all corresponding values are equal... see if one has extra values 1055396Ssaidi@eecs.umich.edu if len(v1) < len(v2): return -1 1065396Ssaidi@eecs.umich.edu if len(v1) > len(v2): return 1 1075396Ssaidi@eecs.umich.edu return 0 1085396Ssaidi@eecs.umich.edu 1095396Ssaidi@eecs.umich.edu# SCons version numbers need special processing because they can have 1105396Ssaidi@eecs.umich.edu# charecters and an release date embedded in them. This function does 1115396Ssaidi@eecs.umich.edu# the magic to extract them in a similar way to the SCons internal function 1125396Ssaidi@eecs.umich.edu# function does and then checks that the current version is not contained in 1135396Ssaidi@eecs.umich.edu# a list of version tuples (bad_ver_strs) 1145396Ssaidi@eecs.umich.edudef CheckSCons(bad_ver_strs): 1155396Ssaidi@eecs.umich.edu def scons_ver(v): 1165396Ssaidi@eecs.umich.edu num_parts = v.split(' ')[0].split('.') 1175396Ssaidi@eecs.umich.edu major = int(num_parts[0]) 1185396Ssaidi@eecs.umich.edu minor = int(re.match('\d+', num_parts[1]).group()) 1195396Ssaidi@eecs.umich.edu rev = 0 1205396Ssaidi@eecs.umich.edu rdate = 0 1215396Ssaidi@eecs.umich.edu if len(num_parts) > 2: 1225396Ssaidi@eecs.umich.edu try: rev = int(re.match('\d+', num_parts[2]).group()) 1235396Ssaidi@eecs.umich.edu except: pass 1245396Ssaidi@eecs.umich.edu rev_parts = num_parts[2].split('d') 1255396Ssaidi@eecs.umich.edu if len(rev_parts) > 1: 1265396Ssaidi@eecs.umich.edu rdate = int(re.match('\d+', rev_parts[1]).group()) 1275396Ssaidi@eecs.umich.edu 1285396Ssaidi@eecs.umich.edu return (major, minor, rev, rdate) 1295396Ssaidi@eecs.umich.edu 1305396Ssaidi@eecs.umich.edu sc_ver = scons_ver(SCons.__version__) 1315396Ssaidi@eecs.umich.edu for bad_ver in bad_ver_strs: 1325396Ssaidi@eecs.umich.edu bv = (scons_ver(bad_ver[0]), scons_ver(bad_ver[1])) 1335396Ssaidi@eecs.umich.edu if compare_versions(sc_ver, bv[0]) != -1 and\ 1345396Ssaidi@eecs.umich.edu compare_versions(sc_ver, bv[1]) != 1: 1355396Ssaidi@eecs.umich.edu print "The version of SCons that you have installed: ", SCons.__version__ 1365396Ssaidi@eecs.umich.edu print "has a bug that prevents it from working correctly with M5." 1375396Ssaidi@eecs.umich.edu print "Please install a version NOT contained within the following", 1385396Ssaidi@eecs.umich.edu print "ranges (inclusive):" 1395396Ssaidi@eecs.umich.edu for bad_ver in bad_ver_strs: 1405396Ssaidi@eecs.umich.edu print " %s - %s" % bad_ver 1415396Ssaidi@eecs.umich.edu Exit(2) 1425396Ssaidi@eecs.umich.edu 1435396Ssaidi@eecs.umich.eduCheckSCons(( 1445396Ssaidi@eecs.umich.edu # We need a version that is 0.96.91 or newer 1455396Ssaidi@eecs.umich.edu ('0.0.0', '0.96.90'), 1465396Ssaidi@eecs.umich.edu # This range has a bug with linking directories into the build dir 1475396Ssaidi@eecs.umich.edu # that only have header files in them 1485396Ssaidi@eecs.umich.edu ('0.97.0d20071212', '0.98.0') 1495396Ssaidi@eecs.umich.edu )) 1504781Snate@binkert.org 1511852SN/A 152955SN/A# The absolute path to the current directory (where this file lives). 153955SN/AROOT = Dir('.').abspath 154955SN/A 1553717Sstever@eecs.umich.edu# Path to the M5 source tree. 1563716Sstever@eecs.umich.eduSRCDIR = joinpath(ROOT, 'src') 157955SN/A 1581533SN/A# tell python where to find m5 python code 1593716Sstever@eecs.umich.edusys.path.append(joinpath(ROOT, 'src/python')) 1601533SN/A 1614678Snate@binkert.orgdef check_style_hook(ui): 1624678Snate@binkert.org ui.readconfig(joinpath(ROOT, '.hg', 'hgrc')) 1634678Snate@binkert.org style_hook = ui.config('hooks', 'pretxncommit.style', None) 1644678Snate@binkert.org 1654678Snate@binkert.org if not style_hook: 1664678Snate@binkert.org print """\ 1674678Snate@binkert.orgYou're missing the M5 style hook. 1684678Snate@binkert.orgPlease install the hook so we can ensure that all code fits a common style. 1694678Snate@binkert.org 1704678Snate@binkert.orgAll you'd need to do is add the following lines to your repository .hg/hgrc 1714678Snate@binkert.orgor your personal .hgrc 1724678Snate@binkert.org---------------- 1734678Snate@binkert.org 1744678Snate@binkert.org[extensions] 1754678Snate@binkert.orgstyle = %s/util/style.py 1764678Snate@binkert.org 1774678Snate@binkert.org[hooks] 1784678Snate@binkert.orgpretxncommit.style = python:style.check_whitespace 1794678Snate@binkert.org""" % (ROOT) 1804678Snate@binkert.org sys.exit(1) 1814678Snate@binkert.org 1824973Ssaidi@eecs.umich.eduif ARGUMENTS.get('IGNORE_STYLE') != 'True' and isdir(joinpath(ROOT, '.hg')): 1834678Snate@binkert.org try: 1844678Snate@binkert.org from mercurial import ui 1854678Snate@binkert.org check_style_hook(ui.ui()) 1864678Snate@binkert.org except ImportError: 1874678Snate@binkert.org pass 1884678Snate@binkert.org 189955SN/A################################################### 190955SN/A# 1912632Sstever@eecs.umich.edu# Figure out which configurations to set up based on the path(s) of 1922632Sstever@eecs.umich.edu# the target(s). 193955SN/A# 194955SN/A################################################### 195955SN/A 196955SN/A# Find default configuration & binary. 1972632Sstever@eecs.umich.eduDefault(os.environ.get('M5_DEFAULT_BINARY', 'build/ALPHA_SE/m5.debug')) 198955SN/A 1992632Sstever@eecs.umich.edu# helper function: find last occurrence of element in list 2002632Sstever@eecs.umich.edudef rfind(l, elt, offs = -1): 2012632Sstever@eecs.umich.edu for i in range(len(l)+offs, 0, -1): 2022632Sstever@eecs.umich.edu if l[i] == elt: 2032632Sstever@eecs.umich.edu return i 2042632Sstever@eecs.umich.edu raise ValueError, "element not found" 2052632Sstever@eecs.umich.edu 2062632Sstever@eecs.umich.edu# Each target must have 'build' in the interior of the path; the 2072632Sstever@eecs.umich.edu# directory below this will determine the build parameters. For 2082632Sstever@eecs.umich.edu# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we 2092632Sstever@eecs.umich.edu# recognize that ALPHA_SE specifies the configuration because it 2102632Sstever@eecs.umich.edu# follow 'build' in the bulid path. 2112632Sstever@eecs.umich.edu 2123718Sstever@eecs.umich.edu# Generate absolute paths to targets so we can see where the build dir is 2133718Sstever@eecs.umich.eduif COMMAND_LINE_TARGETS: 2143718Sstever@eecs.umich.edu # Ask SCons which directory it was invoked from 2153718Sstever@eecs.umich.edu launch_dir = GetLaunchDir() 2163718Sstever@eecs.umich.edu # Make targets relative to invocation directory 2173718Sstever@eecs.umich.edu abs_targets = map(lambda x: os.path.normpath(joinpath(launch_dir, str(x))), 2183718Sstever@eecs.umich.edu COMMAND_LINE_TARGETS) 2193718Sstever@eecs.umich.eduelse: 2203718Sstever@eecs.umich.edu # Default targets are relative to root of tree 2213718Sstever@eecs.umich.edu abs_targets = map(lambda x: os.path.normpath(joinpath(ROOT, str(x))), 2223718Sstever@eecs.umich.edu DEFAULT_TARGETS) 2233718Sstever@eecs.umich.edu 2243718Sstever@eecs.umich.edu 2252634Sstever@eecs.umich.edu# Generate a list of the unique build roots and configs that the 2262634Sstever@eecs.umich.edu# collected targets reference. 2272632Sstever@eecs.umich.edubuild_paths = [] 2282638Sstever@eecs.umich.edubuild_root = None 2292632Sstever@eecs.umich.edufor t in abs_targets: 2302632Sstever@eecs.umich.edu path_dirs = t.split('/') 2312632Sstever@eecs.umich.edu try: 2322632Sstever@eecs.umich.edu build_top = rfind(path_dirs, 'build', -2) 2332632Sstever@eecs.umich.edu except: 2342632Sstever@eecs.umich.edu print "Error: no non-leaf 'build' dir found on target path", t 2351858SN/A Exit(1) 2363716Sstever@eecs.umich.edu this_build_root = joinpath('/',*path_dirs[:build_top+1]) 2372638Sstever@eecs.umich.edu if not build_root: 2382638Sstever@eecs.umich.edu build_root = this_build_root 2392638Sstever@eecs.umich.edu else: 2402638Sstever@eecs.umich.edu if this_build_root != build_root: 2412638Sstever@eecs.umich.edu print "Error: build targets not under same build root\n"\ 2422638Sstever@eecs.umich.edu " %s\n %s" % (build_root, this_build_root) 2432638Sstever@eecs.umich.edu Exit(1) 2443716Sstever@eecs.umich.edu build_path = joinpath('/',*path_dirs[:build_top+2]) 2452634Sstever@eecs.umich.edu if build_path not in build_paths: 2462634Sstever@eecs.umich.edu build_paths.append(build_path) 247955SN/A 2485341Sstever@gmail.com# Make sure build_root exists (might not if this is the first build there) 2495341Sstever@gmail.comif not isdir(build_root): 2505341Sstever@gmail.com os.mkdir(build_root) 2515341Sstever@gmail.com 252955SN/A################################################### 253955SN/A# 254955SN/A# Set up the default build environment. This environment is copied 255955SN/A# and modified according to each selected configuration. 256955SN/A# 257955SN/A################################################### 258955SN/A 2591858SN/Aenv = Environment(ENV = os.environ, # inherit user's environment vars 2601858SN/A ROOT = ROOT, 2612632Sstever@eecs.umich.edu SRCDIR = SRCDIR) 262955SN/A 2634494Ssaidi@eecs.umich.eduExport('env') 2644494Ssaidi@eecs.umich.edu 2653716Sstever@eecs.umich.eduenv.SConsignFile(joinpath(build_root,"sconsign")) 2661105SN/A 2672667Sstever@eecs.umich.edu# Default duplicate option is to use hard links, but this messes up 2682667Sstever@eecs.umich.edu# when you use emacs to edit a file in the target dir, as emacs moves 2692667Sstever@eecs.umich.edu# file to file~ then copies to file, breaking the link. Symbolic 2702667Sstever@eecs.umich.edu# (soft) links work better. 2712667Sstever@eecs.umich.eduenv.SetOption('duplicate', 'soft-copy') 2722667Sstever@eecs.umich.edu 2731869SN/A# I waffle on this setting... it does avoid a few painful but 2741869SN/A# unnecessary builds, but it also seems to make trivial builds take 2751869SN/A# noticeably longer. 2761869SN/Aif False: 2771869SN/A env.TargetSignatures('content') 2781065SN/A 2795341Sstever@gmail.com# 2805341Sstever@gmail.com# Set up global sticky options... these are common to an entire build 2815341Sstever@gmail.com# tree (not specific to a particular build like ALPHA_SE) 2825341Sstever@gmail.com# 2835341Sstever@gmail.com 2845341Sstever@gmail.com# Option validators & converters for global sticky options 2855341Sstever@gmail.comdef PathListMakeAbsolute(val): 2865341Sstever@gmail.com if not val: 2875341Sstever@gmail.com return val 2885341Sstever@gmail.com f = lambda p: os.path.abspath(os.path.expanduser(p)) 2895341Sstever@gmail.com return ':'.join(map(f, val.split(':'))) 2905341Sstever@gmail.com 2915341Sstever@gmail.comdef PathListAllExist(key, val, env): 2925341Sstever@gmail.com if not val: 2935341Sstever@gmail.com return 2945341Sstever@gmail.com paths = val.split(':') 2955341Sstever@gmail.com for path in paths: 2965341Sstever@gmail.com if not isdir(path): 2975341Sstever@gmail.com raise SCons.Errors.UserError("Path does not exist: '%s'" % path) 2985341Sstever@gmail.com 2995341Sstever@gmail.comglobal_sticky_opts_file = joinpath(build_root, 'options.global') 3005341Sstever@gmail.com 3015341Sstever@gmail.comglobal_sticky_opts = Options(global_sticky_opts_file, args=ARGUMENTS) 3025341Sstever@gmail.com 3035341Sstever@gmail.comglobal_sticky_opts.AddOptions( 3045341Sstever@gmail.com ('CC', 'C compiler', os.environ.get('CC', env['CC'])), 3055341Sstever@gmail.com ('CXX', 'C++ compiler', os.environ.get('CXX', env['CXX'])), 3065397Ssaidi@eecs.umich.edu ('BATCH', 'Use batch pool for build and tests', False), 3075397Ssaidi@eecs.umich.edu ('BATCH_CMD', 'Batch pool submission command name', 'qdo'), 3085341Sstever@gmail.com ('EXTRAS', 'Add Extra directories to the compilation', '', 3095341Sstever@gmail.com PathListAllExist, PathListMakeAbsolute) 3105341Sstever@gmail.com ) 3115341Sstever@gmail.com 3125341Sstever@gmail.com 3135341Sstever@gmail.com# base help text 3145341Sstever@gmail.comhelp_text = ''' 3155341Sstever@gmail.comUsage: scons [scons options] [build options] [target(s)] 3165341Sstever@gmail.com 3175341Sstever@gmail.com''' 3185341Sstever@gmail.com 3195341Sstever@gmail.comhelp_text += "Global sticky options:\n" \ 3205341Sstever@gmail.com + global_sticky_opts.GenerateHelpText(env) 3215341Sstever@gmail.com 3225341Sstever@gmail.com# Update env with values from ARGUMENTS & file global_sticky_opts_file 3235341Sstever@gmail.comglobal_sticky_opts.Update(env) 3245341Sstever@gmail.com 3255341Sstever@gmail.com# Save sticky option settings back to current options file 3265341Sstever@gmail.comglobal_sticky_opts.Save(global_sticky_opts_file, env) 3275341Sstever@gmail.com 3285341Sstever@gmail.com# Parse EXTRAS option to build list of all directories where we're 3295341Sstever@gmail.com# look for sources etc. This list is exported as base_dir_list. 3305344Sstever@gmail.combase_dir_list = [joinpath(ROOT, 'src')] 3315341Sstever@gmail.comif env['EXTRAS']: 3325341Sstever@gmail.com base_dir_list += env['EXTRAS'].split(':') 3335341Sstever@gmail.com 3345341Sstever@gmail.comExport('base_dir_list') 3355341Sstever@gmail.com 3362632Sstever@eecs.umich.edu# M5_PLY is used by isa_parser.py to find the PLY package. 3375199Sstever@gmail.comenv.Append(ENV = { 'M5_PLY' : str(Dir('ext/ply')) }) 3383918Ssaidi@eecs.umich.eduenv['GCC'] = False 3393918Ssaidi@eecs.umich.eduenv['SUNCC'] = False 3403940Ssaidi@eecs.umich.eduenv['ICC'] = False 3414781Snate@binkert.orgenv['GCC'] = subprocess.Popen(env['CXX'] + ' --version', shell=True, 3424781Snate@binkert.org stdout=subprocess.PIPE, stderr=subprocess.STDOUT, 3433918Ssaidi@eecs.umich.edu close_fds=True).communicate()[0].find('GCC') >= 0 3444781Snate@binkert.orgenv['SUNCC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True, 3454781Snate@binkert.org stdout=subprocess.PIPE, stderr=subprocess.STDOUT, 3463918Ssaidi@eecs.umich.edu close_fds=True).communicate()[0].find('Sun C++') >= 0 3474781Snate@binkert.orgenv['ICC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True, 3484781Snate@binkert.org stdout=subprocess.PIPE, stderr=subprocess.STDOUT, 3493940Ssaidi@eecs.umich.edu close_fds=True).communicate()[0].find('Intel') >= 0 3503942Ssaidi@eecs.umich.eduif env['GCC'] + env['SUNCC'] + env['ICC'] > 1: 3513940Ssaidi@eecs.umich.edu print 'Error: How can we have two at the same time?' 3523918Ssaidi@eecs.umich.edu Exit(1) 3533918Ssaidi@eecs.umich.edu 354955SN/A 3551858SN/A# Set up default C++ compiler flags 3563918Ssaidi@eecs.umich.eduif env['GCC']: 3573918Ssaidi@eecs.umich.edu env.Append(CCFLAGS='-pipe') 3583918Ssaidi@eecs.umich.edu env.Append(CCFLAGS='-fno-strict-aliasing') 3593918Ssaidi@eecs.umich.edu env.Append(CCFLAGS=Split('-Wall -Wno-sign-compare -Werror -Wundef')) 3603940Ssaidi@eecs.umich.eduelif env['ICC']: 3613940Ssaidi@eecs.umich.edu pass #Fix me... add warning flags once we clean up icc warnings 3623918Ssaidi@eecs.umich.eduelif env['SUNCC']: 3633918Ssaidi@eecs.umich.edu env.Append(CCFLAGS='-Qoption ccfe') 3643918Ssaidi@eecs.umich.edu env.Append(CCFLAGS='-features=gcc') 3653918Ssaidi@eecs.umich.edu env.Append(CCFLAGS='-features=extensions') 3663918Ssaidi@eecs.umich.edu env.Append(CCFLAGS='-library=stlport4') 3673918Ssaidi@eecs.umich.edu env.Append(CCFLAGS='-xar') 3683918Ssaidi@eecs.umich.edu# env.Append(CCFLAGS='-instances=semiexplicit') 3693918Ssaidi@eecs.umich.eduelse: 3703918Ssaidi@eecs.umich.edu print 'Error: Don\'t know what compiler options to use for your compiler.' 3713940Ssaidi@eecs.umich.edu print ' Please fix SConstruct and src/SConscript and try again.' 3723918Ssaidi@eecs.umich.edu Exit(1) 3733918Ssaidi@eecs.umich.edu 3745397Ssaidi@eecs.umich.edu# Do this after we save setting back, or else we'll tack on an 3755397Ssaidi@eecs.umich.edu# extra 'qdo' every time we run scons. 3765397Ssaidi@eecs.umich.eduif env['BATCH']: 3775397Ssaidi@eecs.umich.edu env['CC'] = env['BATCH_CMD'] + ' ' + env['CC'] 3785397Ssaidi@eecs.umich.edu env['CXX'] = env['BATCH_CMD'] + ' ' + env['CXX'] 3795397Ssaidi@eecs.umich.edu 3801851SN/Aif sys.platform == 'cygwin': 3811851SN/A # cygwin has some header file issues... 3821858SN/A env.Append(CCFLAGS=Split("-Wno-uninitialized")) 3835200Sstever@gmail.comenv.Append(CPPPATH=[Dir('ext/dnet')]) 384955SN/A 3853053Sstever@eecs.umich.edu# Check for SWIG 3863053Sstever@eecs.umich.eduif not env.has_key('SWIG'): 3873053Sstever@eecs.umich.edu print 'Error: SWIG utility not found.' 3883053Sstever@eecs.umich.edu print ' Please install (see http://www.swig.org) and retry.' 3893053Sstever@eecs.umich.edu Exit(1) 3903053Sstever@eecs.umich.edu 3913053Sstever@eecs.umich.edu# Check for appropriate SWIG version 3923053Sstever@eecs.umich.eduswig_version = os.popen('swig -version').read().split() 3933053Sstever@eecs.umich.edu# First 3 words should be "SWIG Version x.y.z" 3944742Sstever@eecs.umich.eduif len(swig_version) < 3 or \ 3954742Sstever@eecs.umich.edu swig_version[0] != 'SWIG' or swig_version[1] != 'Version': 3963053Sstever@eecs.umich.edu print 'Error determining SWIG version.' 3973053Sstever@eecs.umich.edu Exit(1) 3983053Sstever@eecs.umich.edu 3993053Sstever@eecs.umich.edumin_swig_version = '1.3.28' 4003053Sstever@eecs.umich.eduif compare_versions(swig_version[2], min_swig_version) < 0: 4013053Sstever@eecs.umich.edu print 'Error: SWIG version', min_swig_version, 'or newer required.' 4023053Sstever@eecs.umich.edu print ' Installed version:', swig_version[2] 4033053Sstever@eecs.umich.edu Exit(1) 4043053Sstever@eecs.umich.edu 4052667Sstever@eecs.umich.edu# Set up SWIG flags & scanner 4064554Sbinkertn@umich.eduswig_flags=Split('-c++ -python -modern -templatereduce $_CPPINCFLAGS') 4074554Sbinkertn@umich.eduenv.Append(SWIGFLAGS=swig_flags) 4082667Sstever@eecs.umich.edu 4094554Sbinkertn@umich.edu# filter out all existing swig scanners, they mess up the dependency 4104554Sbinkertn@umich.edu# stuff for some reason 4114554Sbinkertn@umich.eduscanners = [] 4124554Sbinkertn@umich.edufor scanner in env['SCANNERS']: 4134554Sbinkertn@umich.edu skeys = scanner.skeys 4144554Sbinkertn@umich.edu if skeys == '.i': 4154554Sbinkertn@umich.edu continue 4164781Snate@binkert.org 4174554Sbinkertn@umich.edu if isinstance(skeys, (list, tuple)) and '.i' in skeys: 4184554Sbinkertn@umich.edu continue 4192667Sstever@eecs.umich.edu 4204554Sbinkertn@umich.edu scanners.append(scanner) 4214554Sbinkertn@umich.edu 4224554Sbinkertn@umich.edu# add the new swig scanner that we like better 4234554Sbinkertn@umich.edufrom SCons.Scanner import ClassicCPP as CPPScanner 4242667Sstever@eecs.umich.eduswig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")' 4254554Sbinkertn@umich.eduscanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re)) 4262667Sstever@eecs.umich.edu 4274554Sbinkertn@umich.edu# replace the scanners list that has what we want 4284554Sbinkertn@umich.eduenv['SCANNERS'] = scanners 4292667Sstever@eecs.umich.edu 4302638Sstever@eecs.umich.edu# Platform-specific configuration. Note again that we assume that all 4312638Sstever@eecs.umich.edu# builds under a given build root run on the same host platform. 4322638Sstever@eecs.umich.educonf = Configure(env, 4333716Sstever@eecs.umich.edu conf_dir = joinpath(build_root, '.scons_config'), 4343716Sstever@eecs.umich.edu log_file = joinpath(build_root, 'scons_config.log')) 4351858SN/A 4365227Ssaidi@eecs.umich.edu# Check if we should compile a 64 bit binary on Mac OS X/Darwin 4375227Ssaidi@eecs.umich.edutry: 4385227Ssaidi@eecs.umich.edu import platform 4395227Ssaidi@eecs.umich.edu uname = platform.uname() 4405227Ssaidi@eecs.umich.edu if uname[0] == 'Darwin' and compare_versions(uname[2], '9.0.0') >= 0: 4415227Ssaidi@eecs.umich.edu if int(subprocess.Popen('sysctl -n hw.cpu64bit_capable', shell=True, 4425227Ssaidi@eecs.umich.edu stdout=subprocess.PIPE, stderr=subprocess.STDOUT, 4435227Ssaidi@eecs.umich.edu close_fds=True).communicate()[0][0]): 4445227Ssaidi@eecs.umich.edu env.Append(CCFLAGS='-arch x86_64') 4455227Ssaidi@eecs.umich.edu env.Append(CFLAGS='-arch x86_64') 4465227Ssaidi@eecs.umich.edu env.Append(LINKFLAGS='-arch x86_64') 4475227Ssaidi@eecs.umich.edu env.Append(ASFLAGS='-arch x86_64') 4485227Ssaidi@eecs.umich.eduexcept: 4495227Ssaidi@eecs.umich.edu pass 4505227Ssaidi@eecs.umich.edu 4515204Sstever@gmail.com# Recent versions of scons substitute a "Null" object for Configure() 4525204Sstever@gmail.com# when configuration isn't necessary, e.g., if the "--help" option is 4535204Sstever@gmail.com# present. Unfortuantely this Null object always returns false, 4545204Sstever@gmail.com# breaking all our configuration checks. We replace it with our own 4555204Sstever@gmail.com# more optimistic null object that returns True instead. 4565204Sstever@gmail.comif not conf: 4575204Sstever@gmail.com def NullCheck(*args, **kwargs): 4585204Sstever@gmail.com return True 4595204Sstever@gmail.com 4605204Sstever@gmail.com class NullConf: 4615204Sstever@gmail.com def __init__(self, env): 4625204Sstever@gmail.com self.env = env 4635204Sstever@gmail.com def Finish(self): 4645204Sstever@gmail.com return self.env 4655204Sstever@gmail.com def __getattr__(self, mname): 4665204Sstever@gmail.com return NullCheck 4675204Sstever@gmail.com 4685204Sstever@gmail.com conf = NullConf(env) 4695204Sstever@gmail.com 4703118Sstever@eecs.umich.edu# Find Python include and library directories for embedding the 4713118Sstever@eecs.umich.edu# interpreter. For consistency, we will use the same Python 4723118Sstever@eecs.umich.edu# installation used to run scons (and thus this script). If you want 4733118Sstever@eecs.umich.edu# to link in an alternate version, see above for instructions on how 4743118Sstever@eecs.umich.edu# to invoke scons with a different copy of the Python interpreter. 4753118Sstever@eecs.umich.edu 4763118Sstever@eecs.umich.edu# Get brief Python version name (e.g., "python2.4") for locating 4773118Sstever@eecs.umich.edu# include & library files 4783118Sstever@eecs.umich.edupy_version_name = 'python' + sys.version[:3] 4793118Sstever@eecs.umich.edu 4803118Sstever@eecs.umich.edu# include path, e.g. /usr/local/include/python2.4 4813716Sstever@eecs.umich.edupy_header_path = joinpath(sys.exec_prefix, 'include', py_version_name) 4823118Sstever@eecs.umich.eduenv.Append(CPPPATH = py_header_path) 4833118Sstever@eecs.umich.edu# verify that it works 4843118Sstever@eecs.umich.eduif not conf.CheckHeader('Python.h', '<>'): 4853118Sstever@eecs.umich.edu print "Error: can't find Python.h header in", py_header_path 4863118Sstever@eecs.umich.edu Exit(1) 4873118Sstever@eecs.umich.edu 4883118Sstever@eecs.umich.edu# add library path too if it's not in the default place 4893118Sstever@eecs.umich.edupy_lib_path = None 4903118Sstever@eecs.umich.eduif sys.exec_prefix != '/usr': 4913716Sstever@eecs.umich.edu py_lib_path = joinpath(sys.exec_prefix, 'lib') 4923118Sstever@eecs.umich.eduelif sys.platform == 'cygwin': 4933118Sstever@eecs.umich.edu # cygwin puts the .dll in /bin for some reason 4943118Sstever@eecs.umich.edu py_lib_path = '/bin' 4953118Sstever@eecs.umich.eduif py_lib_path: 4963118Sstever@eecs.umich.edu env.Append(LIBPATH = py_lib_path) 4973118Sstever@eecs.umich.edu print 'Adding', py_lib_path, 'to LIBPATH for', py_version_name 4983118Sstever@eecs.umich.eduif not conf.CheckLib(py_version_name): 4993118Sstever@eecs.umich.edu print "Error: can't find Python library", py_version_name 5003118Sstever@eecs.umich.edu Exit(1) 5013118Sstever@eecs.umich.edu 5023483Ssaidi@eecs.umich.edu# On Solaris you need to use libsocket for socket ops 5033494Ssaidi@eecs.umich.eduif not conf.CheckLibWithHeader(None, 'sys/socket.h', 'C++', 'accept(0,0,0);'): 5043494Ssaidi@eecs.umich.edu if not conf.CheckLibWithHeader('socket', 'sys/socket.h', 'C++', 'accept(0,0,0);'): 5053483Ssaidi@eecs.umich.edu print "Can't find library with socket calls (e.g. accept())" 5063483Ssaidi@eecs.umich.edu Exit(1) 5073483Ssaidi@eecs.umich.edu 5083053Sstever@eecs.umich.edu# Check for zlib. If the check passes, libz will be automatically 5093053Sstever@eecs.umich.edu# added to the LIBS environment variable. 5103918Ssaidi@eecs.umich.eduif not conf.CheckLibWithHeader('z', 'zlib.h', 'C++','zlibVersion();'): 5113053Sstever@eecs.umich.edu print 'Error: did not find needed zlib compression library '\ 5123053Sstever@eecs.umich.edu 'and/or zlib.h header file.' 5133053Sstever@eecs.umich.edu print ' Please install zlib and try again.' 5143053Sstever@eecs.umich.edu Exit(1) 5153053Sstever@eecs.umich.edu 5161858SN/A# Check for <fenv.h> (C99 FP environment control) 5171858SN/Ahave_fenv = conf.CheckHeader('fenv.h', '<>') 5181858SN/Aif not have_fenv: 5191858SN/A print "Warning: Header file <fenv.h> not found." 5201858SN/A print " This host has no IEEE FP rounding mode control." 5211858SN/A 5221859SN/A# Check for mysql. 5231858SN/Amysql_config = WhereIs('mysql_config') 5241858SN/Ahave_mysql = mysql_config != None 5251858SN/A 5261859SN/A# Check MySQL version. 5271859SN/Aif have_mysql: 5281862SN/A mysql_version = os.popen(mysql_config + ' --version').read() 5293053Sstever@eecs.umich.edu min_mysql_version = '4.1' 5303053Sstever@eecs.umich.edu if compare_versions(mysql_version, min_mysql_version) < 0: 5313053Sstever@eecs.umich.edu print 'Warning: MySQL', min_mysql_version, 'or newer required.' 5323053Sstever@eecs.umich.edu print ' Version', mysql_version, 'detected.' 5331859SN/A have_mysql = False 5341859SN/A 5351859SN/A# Set up mysql_config commands. 5361859SN/Aif have_mysql: 5371859SN/A mysql_config_include = mysql_config + ' --include' 5381859SN/A if os.system(mysql_config_include + ' > /dev/null') != 0: 5391859SN/A # older mysql_config versions don't support --include, use 5401859SN/A # --cflags instead 5411862SN/A mysql_config_include = mysql_config + ' --cflags | sed s/\\\'//g' 5421859SN/A # This seems to work in all versions 5431859SN/A mysql_config_libs = mysql_config + ' --libs' 5441859SN/A 5451858SN/Aenv = conf.Finish() 5461858SN/A 5472139SN/A# Define the universe of supported ISAs 5484202Sbinkertn@umich.eduall_isa_list = [ ] 5494202Sbinkertn@umich.eduExport('all_isa_list') 5502139SN/A 5512155SN/A# Define the universe of supported CPU models 5524202Sbinkertn@umich.eduall_cpu_list = [ ] 5534202Sbinkertn@umich.edudefault_cpus = [ ] 5544202Sbinkertn@umich.eduExport('all_cpu_list', 'default_cpus') 5552155SN/A 5561869SN/A# Sticky options get saved in the options file so they persist from 5571869SN/A# one invocation to the next (unless overridden, in which case the new 5581869SN/A# value becomes sticky). 5591869SN/Asticky_opts = Options(args=ARGUMENTS) 5604202Sbinkertn@umich.eduExport('sticky_opts') 5614202Sbinkertn@umich.edu 5624202Sbinkertn@umich.edu# Non-sticky options only apply to the current build. 5634202Sbinkertn@umich.edunonsticky_opts = Options(args=ARGUMENTS) 5644202Sbinkertn@umich.eduExport('nonsticky_opts') 5654202Sbinkertn@umich.edu 5664202Sbinkertn@umich.edu# Walk the tree and execute all SConsopts scripts that wil add to the 5674202Sbinkertn@umich.edu# above options 5685341Sstever@gmail.comfor base_dir in base_dir_list: 5695341Sstever@gmail.com for root, dirs, files in os.walk(base_dir): 5705341Sstever@gmail.com if 'SConsopts' in files: 5715342Sstever@gmail.com print "Reading", joinpath(root, 'SConsopts') 5725342Sstever@gmail.com SConscript(joinpath(root, 'SConsopts')) 5734202Sbinkertn@umich.edu 5744202Sbinkertn@umich.eduall_isa_list.sort() 5754202Sbinkertn@umich.eduall_cpu_list.sort() 5764202Sbinkertn@umich.edudefault_cpus.sort() 5774202Sbinkertn@umich.edu 5781869SN/Asticky_opts.AddOptions( 5794202Sbinkertn@umich.edu EnumOption('TARGET_ISA', 'Target ISA', 'alpha', all_isa_list), 5801869SN/A BoolOption('FULL_SYSTEM', 'Full-system support', False), 5812508SN/A # There's a bug in scons 0.96.1 that causes ListOptions with list 5822508SN/A # values (more than one value) not to be able to be restored from 5832508SN/A # a saved option file. If this causes trouble then upgrade to 5842508SN/A # scons 0.96.90 or later. 5854202Sbinkertn@umich.edu ListOption('CPU_MODELS', 'CPU models', default_cpus, all_cpu_list), 5861869SN/A BoolOption('NO_FAST_ALLOC', 'Disable fast object allocator', False), 5875385Sstever@gmail.com BoolOption('FAST_ALLOC_DEBUG', 'Enable fast object allocator debugging', 5885385Sstever@gmail.com False), 5895385Sstever@gmail.com BoolOption('FAST_ALLOC_STATS', 'Enable fast object allocator statistics', 5905385Sstever@gmail.com False), 5911869SN/A BoolOption('EFENCE', 'Link with Electric Fence malloc debugger', 5921869SN/A False), 5931869SN/A BoolOption('SS_COMPATIBLE_FP', 5941869SN/A 'Make floating-point results compatible with SimpleScalar', 5951869SN/A False), 5961965SN/A BoolOption('USE_SSE2', 5971965SN/A 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', 5981965SN/A False), 5991869SN/A BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql), 6001869SN/A BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), 6012733Sktlim@umich.edu BoolOption('USE_CHECKER', 'Use checker for detailed CPU models', False), 6023356Sbinkertn@umich.edu ('PYTHONHOME', 6033356Sbinkertn@umich.edu 'Override the default PYTHONHOME for this system (use with caution)', 6044773Snate@binkert.org '%s:%s' % (sys.prefix, sys.exec_prefix)), 6051869SN/A ) 6061858SN/A 6071869SN/Anonsticky_opts.AddOptions( 6081869SN/A BoolOption('update_ref', 'Update test reference outputs', False) 6091869SN/A ) 6101858SN/A 6112761Sstever@eecs.umich.edu# These options get exported to #defines in config/*.hh (see src/SConscript). 6121869SN/Aenv.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \ 6135385Sstever@gmail.com 'USE_MYSQL', 'NO_FAST_ALLOC', 'FAST_ALLOC_DEBUG', \ 6145385Sstever@gmail.com 'FAST_ALLOC_STATS', 'SS_COMPATIBLE_FP', \ 6153584Ssaidi@eecs.umich.edu 'USE_CHECKER', 'PYTHONHOME', 'TARGET_ISA'] 6161869SN/A 6171869SN/A# Define a handy 'no-op' action 6181869SN/Adef no_action(target, source, env): 6191869SN/A return 0 6201869SN/A 6211869SN/Aenv.NoAction = Action(no_action, None) 6221858SN/A 623955SN/A################################################### 624955SN/A# 6251869SN/A# Define a SCons builder for configuration flag headers. 6261869SN/A# 6271869SN/A################################################### 6281869SN/A 6291869SN/A# This function generates a config header file that #defines the 6301869SN/A# option symbol to the current option setting (0 or 1). The source 6311869SN/A# operands are the name of the option and a Value node containing the 6321869SN/A# value of the option. 6331869SN/Adef build_config_file(target, source, env): 6341869SN/A (option, value) = [s.get_contents() for s in source] 6351869SN/A f = file(str(target[0]), 'w') 6361869SN/A print >> f, '#define', option, value 6371869SN/A f.close() 6381869SN/A return None 6391869SN/A 6401869SN/A# Generate the message to be printed when building the config file. 6411869SN/Adef build_config_file_string(target, source, env): 6421869SN/A (option, value) = [s.get_contents() for s in source] 6431869SN/A return "Defining %s as %s in %s." % (option, value, target[0]) 6441869SN/A 6451869SN/A# Combine the two functions into a scons Action object. 6461869SN/Aconfig_action = Action(build_config_file, build_config_file_string) 6471869SN/A 6481869SN/A# The emitter munges the source & target node lists to reflect what 6491869SN/A# we're really doing. 6501869SN/Adef config_emitter(target, source, env): 6511869SN/A # extract option name from Builder arg 6521869SN/A option = str(target[0]) 6531869SN/A # True target is config header file 6543716Sstever@eecs.umich.edu target = joinpath('config', option.lower() + '.hh') 6553356Sbinkertn@umich.edu val = env[option] 6563356Sbinkertn@umich.edu if isinstance(val, bool): 6573356Sbinkertn@umich.edu # Force value to 0/1 6583356Sbinkertn@umich.edu val = int(val) 6593356Sbinkertn@umich.edu elif isinstance(val, str): 6603356Sbinkertn@umich.edu val = '"' + val + '"' 6614781Snate@binkert.org 6621869SN/A # Sources are option name & value (packaged in SCons Value nodes) 6631869SN/A return ([target], [Value(option), Value(val)]) 6641869SN/A 6651869SN/Aconfig_builder = Builder(emitter = config_emitter, action = config_action) 6661869SN/A 6671869SN/Aenv.Append(BUILDERS = { 'ConfigFile' : config_builder }) 6681869SN/A 6692655Sstever@eecs.umich.edu################################################### 6702655Sstever@eecs.umich.edu# 6712655Sstever@eecs.umich.edu# Define a SCons builder for copying files. This is used by the 6722655Sstever@eecs.umich.edu# Python zipfile code in src/python/SConscript, but is placed up here 6732655Sstever@eecs.umich.edu# since it's potentially more generally applicable. 6742655Sstever@eecs.umich.edu# 6752655Sstever@eecs.umich.edu################################################### 6762655Sstever@eecs.umich.edu 6772655Sstever@eecs.umich.educopy_builder = Builder(action = Copy("$TARGET", "$SOURCE")) 6782655Sstever@eecs.umich.edu 6792655Sstever@eecs.umich.eduenv.Append(BUILDERS = { 'CopyFile' : copy_builder }) 6802655Sstever@eecs.umich.edu 6812655Sstever@eecs.umich.edu################################################### 6822655Sstever@eecs.umich.edu# 6832655Sstever@eecs.umich.edu# Define a simple SCons builder to concatenate files. 6842655Sstever@eecs.umich.edu# 6852655Sstever@eecs.umich.edu# Used to append the Python zip archive to the executable. 6862655Sstever@eecs.umich.edu# 6872655Sstever@eecs.umich.edu################################################### 6882655Sstever@eecs.umich.edu 6892655Sstever@eecs.umich.educoncat_builder = Builder(action = Action(['cat $SOURCES > $TARGET', 6902655Sstever@eecs.umich.edu 'chmod +x $TARGET'])) 6912655Sstever@eecs.umich.edu 6922655Sstever@eecs.umich.eduenv.Append(BUILDERS = { 'Concat' : concat_builder }) 6932655Sstever@eecs.umich.edu 6942655Sstever@eecs.umich.edu 6952638Sstever@eecs.umich.edu# libelf build is shared across all configs in the build root. 6962638Sstever@eecs.umich.eduenv.SConscript('ext/libelf/SConscript', 6973716Sstever@eecs.umich.edu build_dir = joinpath(build_root, 'libelf'), 6982638Sstever@eecs.umich.edu exports = 'env') 6992638Sstever@eecs.umich.edu 7001869SN/A################################################### 7011869SN/A# 7023546Sgblack@eecs.umich.edu# This function is used to set up a directory with switching headers 7033546Sgblack@eecs.umich.edu# 7043546Sgblack@eecs.umich.edu################################################### 7053546Sgblack@eecs.umich.edu 7064202Sbinkertn@umich.eduenv['ALL_ISA_LIST'] = all_isa_list 7073546Sgblack@eecs.umich.edudef make_switching_dir(dirname, switch_headers, env): 7083546Sgblack@eecs.umich.edu # Generate the header. target[0] is the full path of the output 7093546Sgblack@eecs.umich.edu # header to generate. 'source' is a dummy variable, since we get the 7103546Sgblack@eecs.umich.edu # list of ISAs from env['ALL_ISA_LIST']. 7113546Sgblack@eecs.umich.edu def gen_switch_hdr(target, source, env): 7124781Snate@binkert.org fname = str(target[0]) 7134781Snate@binkert.org basename = os.path.basename(fname) 7144781Snate@binkert.org f = open(fname, 'w') 7154781Snate@binkert.org f.write('#include "arch/isa_specific.hh"\n') 7164781Snate@binkert.org cond = '#if' 7174781Snate@binkert.org for isa in all_isa_list: 7184781Snate@binkert.org f.write('%s THE_ISA == %s_ISA\n#include "%s/%s/%s"\n' 7194781Snate@binkert.org % (cond, isa.upper(), dirname, isa, basename)) 7204781Snate@binkert.org cond = '#elif' 7214781Snate@binkert.org f.write('#else\n#error "THE_ISA not set"\n#endif\n') 7224781Snate@binkert.org f.close() 7234781Snate@binkert.org return 0 7243546Sgblack@eecs.umich.edu 7253546Sgblack@eecs.umich.edu # String to print when generating header 7263546Sgblack@eecs.umich.edu def gen_switch_hdr_string(target, source, env): 7274781Snate@binkert.org return "Generating switch header " + str(target[0]) 7283546Sgblack@eecs.umich.edu 7293546Sgblack@eecs.umich.edu # Build SCons Action object. 'varlist' specifies env vars that this 7303546Sgblack@eecs.umich.edu # action depends on; when env['ALL_ISA_LIST'] changes these actions 7313546Sgblack@eecs.umich.edu # should get re-executed. 7323546Sgblack@eecs.umich.edu switch_hdr_action = Action(gen_switch_hdr, gen_switch_hdr_string, 7333546Sgblack@eecs.umich.edu varlist=['ALL_ISA_LIST']) 7343546Sgblack@eecs.umich.edu 7353546Sgblack@eecs.umich.edu # Instantiate actions for each header 7363546Sgblack@eecs.umich.edu for hdr in switch_headers: 7373546Sgblack@eecs.umich.edu env.Command(hdr, [], switch_hdr_action) 7384202Sbinkertn@umich.eduExport('make_switching_dir') 7393546Sgblack@eecs.umich.edu 7403546Sgblack@eecs.umich.edu################################################### 7413546Sgblack@eecs.umich.edu# 742955SN/A# Define build environments for selected configurations. 743955SN/A# 744955SN/A################################################### 745955SN/A 7461858SN/A# rename base env 7471858SN/Abase_env = env 7481858SN/A 7492632Sstever@eecs.umich.edufor build_path in build_paths: 7502632Sstever@eecs.umich.edu print "Building in", build_path 7515343Sstever@gmail.com 7525343Sstever@gmail.com # Make a copy of the build-root environment to use for this config. 7535343Sstever@gmail.com env = base_env.Copy() 7544773Snate@binkert.org env['BUILDDIR'] = build_path 7554773Snate@binkert.org 7562632Sstever@eecs.umich.edu # build_dir is the tail component of build path, and is used to 7572632Sstever@eecs.umich.edu # determine the build parameters (e.g., 'ALPHA_SE') 7582632Sstever@eecs.umich.edu (build_root, build_dir) = os.path.split(build_path) 7592023SN/A 7602632Sstever@eecs.umich.edu # Set env options according to the build directory config. 7612632Sstever@eecs.umich.edu sticky_opts.files = [] 7622632Sstever@eecs.umich.edu # Options for $BUILD_ROOT/$BUILD_DIR are stored in 7632632Sstever@eecs.umich.edu # $BUILD_ROOT/options/$BUILD_DIR so you can nuke 7642632Sstever@eecs.umich.edu # $BUILD_ROOT/$BUILD_DIR without losing your options settings. 7653716Sstever@eecs.umich.edu current_opts_file = joinpath(build_root, 'options', build_dir) 7665342Sstever@gmail.com if isfile(current_opts_file): 7672632Sstever@eecs.umich.edu sticky_opts.files.append(current_opts_file) 7682632Sstever@eecs.umich.edu print "Using saved options file %s" % current_opts_file 7692632Sstever@eecs.umich.edu else: 7702632Sstever@eecs.umich.edu # Build dir-specific options file doesn't exist. 7712023SN/A 7722632Sstever@eecs.umich.edu # Make sure the directory is there so we can create it later 7732632Sstever@eecs.umich.edu opt_dir = os.path.dirname(current_opts_file) 7745342Sstever@gmail.com if not isdir(opt_dir): 7751889SN/A os.mkdir(opt_dir) 7762632Sstever@eecs.umich.edu 7772632Sstever@eecs.umich.edu # Get default build options from source tree. Options are 7782632Sstever@eecs.umich.edu # normally determined by name of $BUILD_DIR, but can be 7792632Sstever@eecs.umich.edu # overriden by 'default=' arg on command line. 7803716Sstever@eecs.umich.edu default_opts_file = joinpath('build_opts', 7813716Sstever@eecs.umich.edu ARGUMENTS.get('default', build_dir)) 7825342Sstever@gmail.com if isfile(default_opts_file): 7832632Sstever@eecs.umich.edu sticky_opts.files.append(default_opts_file) 7842632Sstever@eecs.umich.edu print "Options file %s not found,\n using defaults in %s" \ 7852632Sstever@eecs.umich.edu % (current_opts_file, default_opts_file) 7862632Sstever@eecs.umich.edu else: 7872632Sstever@eecs.umich.edu print "Error: cannot find options file %s or %s" \ 7882632Sstever@eecs.umich.edu % (current_opts_file, default_opts_file) 7892632Sstever@eecs.umich.edu Exit(1) 7901888SN/A 7911888SN/A # Apply current option settings to env 7921869SN/A sticky_opts.Update(env) 7931869SN/A nonsticky_opts.Update(env) 7941858SN/A 7955341Sstever@gmail.com help_text += "\nSticky options for %s:\n" % build_dir \ 7962598SN/A + sticky_opts.GenerateHelpText(env) \ 7972598SN/A + "\nNon-sticky options for %s:\n" % build_dir \ 7982598SN/A + nonsticky_opts.GenerateHelpText(env) 7992598SN/A 8001858SN/A # Process option settings. 8011858SN/A 8021858SN/A if not have_fenv and env['USE_FENV']: 8031858SN/A print "Warning: <fenv.h> not available; " \ 8041858SN/A "forcing USE_FENV to False in", build_dir + "." 8051858SN/A env['USE_FENV'] = False 8061858SN/A 8071858SN/A if not env['USE_FENV']: 8081858SN/A print "Warning: No IEEE FP rounding mode control in", build_dir + "." 8091871SN/A print " FP results may deviate slightly from other platforms." 8101858SN/A 8111858SN/A if env['EFENCE']: 8121858SN/A env.Append(LIBS=['efence']) 8131858SN/A 8141858SN/A if env['USE_MYSQL']: 8151858SN/A if not have_mysql: 8161858SN/A print "Warning: MySQL not available; " \ 8171858SN/A "forcing USE_MYSQL to False in", build_dir + "." 8181858SN/A env['USE_MYSQL'] = False 8191858SN/A else: 8201858SN/A print "Compiling in", build_dir, "with MySQL support." 8211859SN/A env.ParseConfig(mysql_config_libs) 8221859SN/A env.ParseConfig(mysql_config_include) 8231869SN/A 8241888SN/A # Save sticky option settings back to current options file 8252632Sstever@eecs.umich.edu sticky_opts.Save(current_opts_file, env) 8261869SN/A 8271965SN/A if env['USE_SSE2']: 8281965SN/A env.Append(CCFLAGS='-msse2') 8291965SN/A 8302761Sstever@eecs.umich.edu # The src/SConscript file sets up the build rules in 'env' according 8311869SN/A # to the configured options. It returns a list of environments, 8321869SN/A # one for each variant build (debug, opt, etc.) 8332632Sstever@eecs.umich.edu envList = SConscript('src/SConscript', build_dir = build_path, 8342667Sstever@eecs.umich.edu exports = 'env') 8351869SN/A 8361869SN/A # Set up the regression tests for each build. 8372929Sktlim@umich.edu for e in envList: 8382929Sktlim@umich.edu SConscript('tests/SConscript', 8393716Sstever@eecs.umich.edu build_dir = joinpath(build_path, 'tests', e.Label), 8402929Sktlim@umich.edu exports = { 'env' : e }, duplicate = False) 841955SN/A 8422598SN/AHelp(help_text) 8432598SN/A 8443546Sgblack@eecs.umich.edu 845955SN/A################################################### 846955SN/A# 847955SN/A# Let SCons do its thing. At this point SCons will use the defined 8481530SN/A# build environments to build the requested targets. 849955SN/A# 850955SN/A################################################### 851955SN/A 852