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Diffstat (limited to 'build/SConstruct')
| -rw-r--r-- | build/SConstruct | 419 |
1 files changed, 0 insertions, 419 deletions
diff --git a/build/SConstruct b/build/SConstruct deleted file mode 100644 index 1dd699ab4..000000000 --- a/build/SConstruct +++ /dev/null @@ -1,419 +0,0 @@ -# -*- mode:python -*- - -# Copyright (c) 2004-2005 The Regents of The University of Michigan -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer; -# redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution; -# neither the name of the copyright holders nor the names of its -# contributors may be used to endorse or promote products derived from -# this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -################################################### -# -# SCons top-level build description (SConstruct) file. -# -# To build M5, you need a directory with three things: -# 1. A copy of this file (named SConstruct). -# 2. A link named 'm5' to the top of the M5 simulator source tree. -# 3. A link named 'ext' to the top of the M5 external source tree. -# -# Then type 'scons' to build the default configuration (see below), or -# 'scons <CONFIG>/<binary>' to build some other configuration (e.g., -# 'ALPHA_FS/m5.opt' for the optimized full-system version). -# -################################################### - -# Python library imports -import sys -import os - -# Check for recent-enough Python and SCons versions -EnsurePythonVersion(2,3) -EnsureSConsVersion(0,96) - -# The absolute path to the current directory (where this file lives). -ROOT = Dir('.').abspath - -# Paths to the M5 and external source trees (local symlinks). -SRCDIR = os.path.join(ROOT, 'm5') -EXT_SRCDIR = os.path.join(ROOT, 'ext') - -# Check for 'm5' and 'ext' links, die if they don't exist. -if not os.path.isdir(SRCDIR): - print "Error: '%s' must be a link to the M5 source tree." % SRCDIR - Exit(1) - -if not os.path.isdir('ext'): - print "Error: '%s' must be a link to the M5 external source tree." \ - % EXT_SRCDIR - Exit(1) - -# tell python where to find m5 python code -sys.path.append(os.path.join(SRCDIR, 'python')) - -################################################### -# -# Figure out which configurations to set up. -# -# -# It's prohibitive to do all the combinations of base configurations -# and options, so we have to infer which ones the user wants. -# -# 1. If there are command-line targets, the configuration(s) are inferred -# from the directories of those targets. If scons was invoked from a -# subdirectory (using 'scons -u'), those targets have to be -# interpreted relative to that subdirectory. -# -# 2. If there are no command-line targets, and scons was invoked from a -# subdirectory (using 'scons -u'), the configuration is inferred from -# the name of the subdirectory. -# -# 3. If there are no command-line targets and scons was invoked from -# the root build directory, a default configuration is used. The -# built-in default is ALPHA_SE, but this can be overridden by setting the -# M5_DEFAULT_CONFIG shell environment veriable. -# -# In cases 2 & 3, the specific file target defaults to 'm5.debug', but -# this can be overridden by setting the M5_DEFAULT_BINARY shell -# environment veriable. -# -################################################### - -# Find default configuration & binary. -default_config = os.environ.get('M5_DEFAULT_CONFIG', 'ALPHA_SE') -default_binary = os.environ.get('M5_DEFAULT_BINARY', 'm5.debug') - -# Ask SCons which directory it was invoked from. If you invoke SCons -# from a subdirectory you must use the '-u' flag. -launch_dir = GetLaunchDir() - -# Build a list 'my_targets' of all the targets relative to ROOT. -if launch_dir == ROOT: - # invoked from root build dir - if len(COMMAND_LINE_TARGETS) != 0: - # easy: use specified targets as is - my_targets = COMMAND_LINE_TARGETS - else: - # default target (ALPHA_SE/m5.debug, unless overridden) - target = os.path.join(default_config, default_binary) - my_targets = [target] - Default(target) -else: - # invoked from subdirectory - if not launch_dir.startswith(ROOT): - print "Error: launch dir (%s) not a subdirectory of ROOT (%s)!" \ - (launch_dir, ROOT) - Exit(1) - # make launch_dir relative to ROOT (strip ROOT plus slash off front) - launch_dir = launch_dir[len(ROOT)+1:] - if len(COMMAND_LINE_TARGETS) != 0: - # make specified targets relative to ROOT - my_targets = map(lambda x: os.path.join(launch_dir, x), - COMMAND_LINE_TARGETS) - else: - # build default binary (m5.debug, unless overridden) using the - # config inferred by the invocation directory (the first - # subdirectory after ROOT) - target = os.path.join(launch_dir.split('/')[0], default_binary) - my_targets = [target] - Default(target) - -# Normalize target paths (gets rid of '..' in the middle, etc.) -my_targets = map(os.path.normpath, my_targets) - -# Generate a list of the unique configs that the collected targets reference. -build_dirs = [] -for t in my_targets: - dir = t.split('/')[0] - if dir not in build_dirs: - build_dirs.append(dir) - -################################################### -# -# Set up the default build environment. This environment is copied -# and modified according to each selected configuration. -# -################################################### - -env = Environment(ENV = os.environ, # inherit user's environment vars - ROOT = ROOT, - SRCDIR = SRCDIR, - EXT_SRCDIR = EXT_SRCDIR) - -env.SConsignFile("sconsign") - -# I waffle on this setting... it does avoid a few painful but -# unnecessary builds, but it also seems to make trivial builds take -# noticeably longer. -if False: - env.TargetSignatures('content') - -# M5_EXT is used by isa_parser.py to find the PLY package. -env.Append(ENV = { 'M5_EXT' : EXT_SRCDIR }) - -# Set up default C++ compiler flags -env.Append(CCFLAGS='-pipe') -env.Append(CCFLAGS='-fno-strict-aliasing') -env.Append(CCFLAGS=Split('-Wall -Wno-sign-compare -Werror -Wundef')) -if sys.platform == 'cygwin': - # cygwin has some header file issues... - env.Append(CCFLAGS=Split("-Wno-uninitialized")) -env.Append(CPPPATH=[os.path.join(EXT_SRCDIR + '/dnet')]) - -# Default libraries -env.Append(LIBS=['z']) - -# Platform-specific configuration -conf = Configure(env) - -# Check for <fenv.h> (C99 FP environment control) -have_fenv = conf.CheckHeader('fenv.h', '<>') -if not have_fenv: - print "Warning: Header file <fenv.h> not found." - print " This host has no IEEE FP rounding mode control." - -# Check for mysql. -mysql_config = WhereIs('mysql_config') -have_mysql = mysql_config != None - -# Check MySQL version. -if have_mysql: - mysql_version = os.popen(mysql_config + ' --version').read() - mysql_version = mysql_version.split('.') - mysql_major = int(mysql_version[0]) - mysql_minor = int(mysql_version[1]) - # This version check is probably overly conservative, but it deals - # with the versions we have installed. - if mysql_major < 4 or (mysql_major == 4 and mysql_minor < 1): - print "Warning: MySQL v4.1 or newer required." - have_mysql = False - -# Set up mysql_config commands. -if have_mysql: - mysql_config_include = mysql_config + ' --include' - if os.system(mysql_config_include + ' > /dev/null') != 0: - # older mysql_config versions don't support --include, use - # --cflags instead - mysql_config_include = mysql_config + ' --cflags | sed s/\\\'//g' - # This seems to work in all versions - mysql_config_libs = mysql_config + ' --libs' - -env = conf.Finish() - -# Define the universe of supported ISAs -env['ALL_ISA_LIST'] = ['alpha', 'sparc', 'mips'] - -# Define the universe of supported CPU models -env['ALL_CPU_LIST'] = ['SimpleCPU', 'FastCPU', 'FullCPU', 'AlphaFullCPU', - 'OzoneSimpleCPU', 'OzoneCPU', 'CheckerCPU'] - - -# Sticky options get saved in the options file so they persist from -# one invocation to the next (unless overridden, in which case the new -# value becomes sticky). -sticky_opts = Options(args=ARGUMENTS) -sticky_opts.AddOptions( - EnumOption('TARGET_ISA', 'Target ISA', 'alpha', env['ALL_ISA_LIST']), - BoolOption('FULL_SYSTEM', 'Full-system support', False), - BoolOption('ALPHA_TLASER', - 'Model Alpha TurboLaser platform (vs. Tsunami)', False), - BoolOption('NO_FAST_ALLOC', 'Disable fast object allocator', False), - BoolOption('EFENCE', 'Link with Electric Fence malloc debugger', - False), - BoolOption('SS_COMPATIBLE_FP', - 'Make floating-point results compatible with SimpleScalar', - False), - BoolOption('USE_SSE2', - 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', - False), - BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql), - BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), - ('CC', 'C compiler', os.environ.get('CC', env['CC'])), - ('CXX', 'C++ compiler', os.environ.get('CXX', env['CXX'])), - BoolOption('BATCH', 'Use batch pool for build and tests', False), - ('BATCH_CMD', 'Batch pool submission command name', 'qdo') - ) - -# Non-sticky options only apply to the current build. -nonsticky_opts = Options(args=ARGUMENTS) -nonsticky_opts.AddOptions( - # This really should be a sticky option, but there's a bug in - # scons 0.96.1 that causes ListOptions not to be able to be - # restored from a saved option file. It looks like this is fixed - # in 0.96.9, but there's a different bug in that version that means we - # can't just upgrade. - ListOption('CPU_MODELS', 'CPU models', 'all', env['ALL_CPU_LIST']), - BoolOption('update_ref', 'Update test reference outputs', False) - ) - -# These options get exported to #defines in config/*.hh (see m5/SConscript). -env.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \ - 'USE_MYSQL', 'NO_FAST_ALLOC', 'SS_COMPATIBLE_FP'] - -# Define a handy 'no-op' action -def no_action(target, source, env): - return 0 - -env.NoAction = Action(no_action, None) - -# libelf build is described in its own SConscript file. -# SConscript-global is the build in build/libelf shared among all -# configs. -env.SConscript('m5/libelf/SConscript-global', exports = 'env') - -################################################### -# -# Define a SCons builder for configuration flag headers. -# -################################################### - -# This function generates a config header file that #defines the -# option symbol to the current option setting (0 or 1). The source -# operands are the name of the option and a Value node containing the -# value of the option. -def build_config_file(target, source, env): - (option, value) = [s.get_contents() for s in source] - f = file(str(target[0]), 'w') - print >> f, '#define', option, value - f.close() - return None - -# Generate the message to be printed when building the config file. -def build_config_file_string(target, source, env): - (option, value) = [s.get_contents() for s in source] - return "Defining %s as %s in %s." % (option, value, target[0]) - -# Combine the two functions into a scons Action object. -config_action = Action(build_config_file, build_config_file_string) - -# The emitter munges the source & target node lists to reflect what -# we're really doing. -def config_emitter(target, source, env): - # extract option name from Builder arg - option = str(target[0]) - # True target is config header file - target = os.path.join('config', option.lower() + '.hh') - # Force value to 0/1 even if it's a Python bool - val = int(eval(str(env[option]))) - # Sources are option name & value (packaged in SCons Value nodes) - return ([target], [Value(option), Value(val)]) - -config_builder = Builder(emitter = config_emitter, action = config_action) - -env.Append(BUILDERS = { 'ConfigFile' : config_builder }) - -################################################### -# -# Define build environments for selected configurations. -# -################################################### - -# rename base env -base_env = env - -for build_dir in build_dirs: - # Make a copy of the default environment to use for this config. - env = base_env.Copy() - - # Record what build_dir was in the environment - env.Append(BUILD_DIR=build_dir); - - # Set env according to the build directory config. - - sticky_opts.files = [] - # Name of default options file is taken from 'default=' on command - # line if set, otherwise name of build dir. - default_options_file = os.path.join('default_options', - ARGUMENTS.get('default', build_dir)) - if os.path.isfile(default_options_file): - sticky_opts.files.append(default_options_file) - current_options_file = os.path.join('options', build_dir) - if os.path.isfile(current_options_file): - sticky_opts.files.append(current_options_file) - else: - # if file doesn't exist, make sure at least the directory is there - # so we can create it later - opt_dir = os.path.dirname(current_options_file) - if not os.path.isdir(opt_dir): - os.mkdir(opt_dir) - if not sticky_opts.files: - print "%s: No options file found in options, using defaults." \ - % build_dir - - # Apply current option settings to env - sticky_opts.Update(env) - nonsticky_opts.Update(env) - - # Process option settings. - - if not have_fenv and env['USE_FENV']: - print "Warning: <fenv.h> not available; " \ - "forcing USE_FENV to False in", build_dir + "." - env['USE_FENV'] = False - - if not env['USE_FENV']: - print "Warning: No IEEE FP rounding mode control in", build_dir + "." - print " FP results may deviate slightly from other platforms." - - if env['EFENCE']: - env.Append(LIBS=['efence']) - - if env['USE_MYSQL']: - if not have_mysql: - print "Warning: MySQL not available; " \ - "forcing USE_MYSQL to False in", build_dir + "." - env['USE_MYSQL'] = False - else: - print "Compiling in", build_dir, "with MySQL support." - env.ParseConfig(mysql_config_libs) - env.ParseConfig(mysql_config_include) - - # Save sticky option settings back to current options file - sticky_opts.Save(current_options_file, env) - - # Do this after we save setting back, or else we'll tack on an - # extra 'qdo' every time we run scons. - if env['BATCH']: - env['CC'] = env['BATCH_CMD'] + ' ' + env['CC'] - env['CXX'] = env['BATCH_CMD'] + ' ' + env['CXX'] - - if env['USE_SSE2']: - env.Append(CCFLAGS='-msse2') - - # The m5/SConscript file sets up the build rules in 'env' according - # to the configured options. It returns a list of environments, - # one for each variant build (debug, opt, etc.) - envList = SConscript('m5/SConscript', build_dir = build_dir, - exports = 'env', duplicate = False) - - # Set up the regression tests for each build. - for e in envList: - SConscript('m5-test/SConscript', - build_dir = os.path.join(build_dir, 'test', e.Label), - exports = { 'env' : e }, duplicate = False) - -################################################### -# -# Let SCons do its thing. At this point SCons will use the defined -# build environments to build the requested targets. -# -################################################### - |