#
###################################################
-# Python library imports
import sys
import os
+import subprocess
+
+from os.path import isdir, join as joinpath
# Check for recent-enough Python and SCons versions. If your system's
# default installation of Python is not recent enough, you can use a
# The absolute path to the current directory (where this file lives).
ROOT = Dir('.').abspath
-# Paths to the M5 and external source trees.
-SRCDIR = os.path.join(ROOT, 'src')
+# Path to the M5 source tree.
+SRCDIR = joinpath(ROOT, 'src')
# tell python where to find m5 python code
-sys.path.append(os.path.join(ROOT, 'src/python'))
+sys.path.append(joinpath(ROOT, 'src/python'))
+
+def check_style_hook(ui):
+ ui.readconfig(joinpath(ROOT, '.hg', 'hgrc'))
+ style_hook = ui.config('hooks', 'pretxncommit.style', None)
+
+ if not style_hook:
+ print """\
+You're missing the M5 style hook.
+Please install the hook so we can ensure that all code fits a common style.
+
+All you'd need to do is add the following lines to your repository .hg/hgrc
+or your personal .hgrc
+----------------
+
+[extensions]
+style = %s/util/style.py
+
+[hooks]
+pretxncommit.style = python:style.check_whitespace
+""" % (ROOT)
+ sys.exit(1)
+
+if isdir(joinpath(ROOT, '.hg')):
+ try:
+ from mercurial import ui
+ check_style_hook(ui.ui())
+ except ImportError:
+ pass
###################################################
#
# Find default configuration & binary.
Default(os.environ.get('M5_DEFAULT_BINARY', 'build/ALPHA_SE/m5.debug'))
-# Ask SCons which directory it was invoked from.
-launch_dir = GetLaunchDir()
-
-# Make targets relative to invocation directory
-abs_targets = map(lambda x: os.path.normpath(os.path.join(launch_dir, str(x))),
- BUILD_TARGETS)
-
# helper function: find last occurrence of element in list
def rfind(l, elt, offs = -1):
for i in range(len(l)+offs, 0, -1):
return i
raise ValueError, "element not found"
+# helper function: compare dotted version numbers.
+# E.g., compare_version('1.3.25', '1.4.1')
+# returns -1, 0, 1 if v1 is <, ==, > v2
+def compare_versions(v1, v2):
+ # Convert dotted strings to lists
+ v1 = map(int, v1.split('.'))
+ v2 = map(int, v2.split('.'))
+ # Compare corresponding elements of lists
+ for n1,n2 in zip(v1, v2):
+ if n1 < n2: return -1
+ if n1 > n2: return 1
+ # all corresponding values are equal... see if one has extra values
+ if len(v1) < len(v2): return -1
+ if len(v1) > len(v2): return 1
+ return 0
+
# Each target must have 'build' in the interior of the path; the
# directory below this will determine the build parameters. For
# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we
# recognize that ALPHA_SE specifies the configuration because it
# follow 'build' in the bulid path.
+# Generate absolute paths to targets so we can see where the build dir is
+if COMMAND_LINE_TARGETS:
+ # Ask SCons which directory it was invoked from
+ launch_dir = GetLaunchDir()
+ # Make targets relative to invocation directory
+ abs_targets = map(lambda x: os.path.normpath(joinpath(launch_dir, str(x))),
+ COMMAND_LINE_TARGETS)
+else:
+ # Default targets are relative to root of tree
+ abs_targets = map(lambda x: os.path.normpath(joinpath(ROOT, str(x))),
+ DEFAULT_TARGETS)
+
+
# Generate a list of the unique build roots and configs that the
# collected targets reference.
build_paths = []
except:
print "Error: no non-leaf 'build' dir found on target path", t
Exit(1)
- this_build_root = os.path.join('/',*path_dirs[:build_top+1])
+ this_build_root = joinpath('/',*path_dirs[:build_top+1])
if not build_root:
build_root = this_build_root
else:
print "Error: build targets not under same build root\n"\
" %s\n %s" % (build_root, this_build_root)
Exit(1)
- build_path = os.path.join('/',*path_dirs[:build_top+2])
+ build_path = joinpath('/',*path_dirs[:build_top+2])
if build_path not in build_paths:
build_paths.append(build_path)
ROOT = ROOT,
SRCDIR = SRCDIR)
-env.SConsignFile(os.path.join(build_root,"sconsign"))
+#Parse CC/CXX early so that we use the correct compiler for
+# to test for dependencies/versions/libraries/includes
+if ARGUMENTS.get('CC', None):
+ env['CC'] = ARGUMENTS.get('CC')
+
+if ARGUMENTS.get('CXX', None):
+ env['CXX'] = ARGUMENTS.get('CXX')
+
+Export('env')
+
+env.SConsignFile(joinpath(build_root,"sconsign"))
# Default duplicate option is to use hard links, but this messes up
# when you use emacs to edit a file in the target dir, as emacs moves
# M5_PLY is used by isa_parser.py to find the PLY package.
env.Append(ENV = { 'M5_PLY' : Dir('ext/ply') })
+env['GCC'] = False
+env['SUNCC'] = False
+env['ICC'] = False
+env['GCC'] = subprocess.Popen(env['CXX'] + ' --version', shell=True,
+ stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+ close_fds=True).communicate()[0].find('GCC') >= 0
+env['SUNCC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True,
+ stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+ close_fds=True).communicate()[0].find('Sun C++') >= 0
+env['ICC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True,
+ stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+ close_fds=True).communicate()[0].find('Intel') >= 0
+if env['GCC'] + env['SUNCC'] + env['ICC'] > 1:
+ print 'Error: How can we have two at the same time?'
+ Exit(1)
+
# 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 env['GCC']:
+ env.Append(CCFLAGS='-pipe')
+ env.Append(CCFLAGS='-fno-strict-aliasing')
+ env.Append(CCFLAGS=Split('-Wall -Wno-sign-compare -Werror -Wundef'))
+elif env['ICC']:
+ pass #Fix me... add warning flags once we clean up icc warnings
+elif env['SUNCC']:
+ env.Append(CCFLAGS='-Qoption ccfe')
+ env.Append(CCFLAGS='-features=gcc')
+ env.Append(CCFLAGS='-features=extensions')
+ env.Append(CCFLAGS='-library=stlport4')
+ env.Append(CCFLAGS='-xar')
+# env.Append(CCFLAGS='-instances=semiexplicit')
+else:
+ print 'Error: Don\'t know what compiler options to use for your compiler.'
+ print ' Please fix SConstruct and src/SConscript and try again.'
+ Exit(1)
+
if sys.platform == 'cygwin':
# cygwin has some header file issues...
env.Append(CCFLAGS=Split("-Wno-uninitialized"))
env.Append(CPPPATH=[Dir('ext/dnet')])
+# Check for SWIG
+if not env.has_key('SWIG'):
+ print 'Error: SWIG utility not found.'
+ print ' Please install (see http://www.swig.org) and retry.'
+ Exit(1)
+
+# Check for appropriate SWIG version
+swig_version = os.popen('swig -version').read().split()
+# First 3 words should be "SWIG Version x.y.z"
+if swig_version[0] != 'SWIG' or swig_version[1] != 'Version':
+ print 'Error determining SWIG version.'
+ Exit(1)
+
+min_swig_version = '1.3.28'
+if compare_versions(swig_version[2], min_swig_version) < 0:
+ print 'Error: SWIG version', min_swig_version, 'or newer required.'
+ print ' Installed version:', swig_version[2]
+ Exit(1)
+
+# Set up SWIG flags & scanner
+swig_flags=Split('-c++ -python -modern -templatereduce $_CPPINCFLAGS')
+env.Append(SWIGFLAGS=swig_flags)
+
+# filter out all existing swig scanners, they mess up the dependency
+# stuff for some reason
+scanners = []
+for scanner in env['SCANNERS']:
+ skeys = scanner.skeys
+ if skeys == '.i':
+ continue
+
+ if isinstance(skeys, (list, tuple)) and '.i' in skeys:
+ continue
+
+ scanners.append(scanner)
+
+# add the new swig scanner that we like better
+from SCons.Scanner import ClassicCPP as CPPScanner
+swig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")'
+scanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re))
+
+# replace the scanners list that has what we want
+env['SCANNERS'] = scanners
+
+# Platform-specific configuration. Note again that we assume that all
+# builds under a given build root run on the same host platform.
+conf = Configure(env,
+ conf_dir = joinpath(build_root, '.scons_config'),
+ log_file = joinpath(build_root, 'scons_config.log'))
+
# Find Python include and library directories for embedding the
# interpreter. For consistency, we will use the same Python
# installation used to run scons (and thus this script). If you want
py_version_name = 'python' + sys.version[:3]
# include path, e.g. /usr/local/include/python2.4
-env.Append(CPPPATH = os.path.join(sys.exec_prefix, 'include', py_version_name))
-env.Append(LIBS = py_version_name)
+py_header_path = joinpath(sys.exec_prefix, 'include', py_version_name)
+env.Append(CPPPATH = py_header_path)
+# verify that it works
+if not conf.CheckHeader('Python.h', '<>'):
+ print "Error: can't find Python.h header in", py_header_path
+ Exit(1)
+
# add library path too if it's not in the default place
+py_lib_path = None
if sys.exec_prefix != '/usr':
- env.Append(LIBPATH = os.path.join(sys.exec_prefix, 'lib'))
-
-# Set up SWIG flags & scanner
-
-env.Append(SWIGFLAGS=Split('-c++ -python -modern $_CPPINCFLAGS'))
-
-import SCons.Scanner
-
-swig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")'
-
-swig_scanner = SCons.Scanner.ClassicCPP("SwigScan", ".i", "CPPPATH",
- swig_inc_re)
-
-env.Append(SCANNERS = swig_scanner)
-
-# Other default libraries
-env.Append(LIBS=['z'])
-
-# Platform-specific configuration. Note again that we assume that all
-# builds under a given build root run on the same host platform.
-conf = Configure(env,
- conf_dir = os.path.join(build_root, '.scons_config'),
- log_file = os.path.join(build_root, 'scons_config.log'))
+ py_lib_path = joinpath(sys.exec_prefix, 'lib')
+elif sys.platform == 'cygwin':
+ # cygwin puts the .dll in /bin for some reason
+ py_lib_path = '/bin'
+if py_lib_path:
+ env.Append(LIBPATH = py_lib_path)
+ print 'Adding', py_lib_path, 'to LIBPATH for', py_version_name
+if not conf.CheckLib(py_version_name):
+ print "Error: can't find Python library", py_version_name
+ Exit(1)
+
+# On Solaris you need to use libsocket for socket ops
+if not conf.CheckLibWithHeader(None, 'sys/socket.h', 'C++', 'accept(0,0,0);'):
+ if not conf.CheckLibWithHeader('socket', 'sys/socket.h', 'C++', 'accept(0,0,0);'):
+ print "Can't find library with socket calls (e.g. accept())"
+ Exit(1)
+
+# Check for zlib. If the check passes, libz will be automatically
+# added to the LIBS environment variable.
+if not conf.CheckLibWithHeader('z', 'zlib.h', 'C++','zlibVersion();'):
+ print 'Error: did not find needed zlib compression library '\
+ 'and/or zlib.h header file.'
+ print ' Please install zlib and try again.'
+ Exit(1)
# Check for <fenv.h> (C99 FP environment control)
have_fenv = conf.CheckHeader('fenv.h', '<>')
# 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."
+ min_mysql_version = '4.1'
+ if compare_versions(mysql_version, min_mysql_version) < 0:
+ print 'Warning: MySQL', min_mysql_version, 'or newer required.'
+ print ' Version', mysql_version, 'detected.'
have_mysql = False
# Set up mysql_config commands.
env = conf.Finish()
# Define the universe of supported ISAs
-env['ALL_ISA_LIST'] = ['alpha', 'sparc', 'mips']
+all_isa_list = [ ]
+Export('all_isa_list')
# Define the universe of supported CPU models
-env['ALL_CPU_LIST'] = ['AtomicSimpleCPU', 'TimingSimpleCPU',
- 'FullCPU', 'O3CPU',
- 'OzoneCPU']
+all_cpu_list = [ ]
+default_cpus = [ ]
+Export('all_cpu_list', 'default_cpus')
# 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)
+Export('sticky_opts')
+
+# Non-sticky options only apply to the current build.
+nonsticky_opts = Options(args=ARGUMENTS)
+Export('nonsticky_opts')
+
+# Walk the tree and execute all SConsopts scripts that wil add to the
+# above options
+for root, dirs, files in os.walk('.'):
+ if 'SConsopts' in files:
+ SConscript(os.path.join(root, 'SConsopts'))
+
+all_isa_list.sort()
+all_cpu_list.sort()
+default_cpus.sort()
+
sticky_opts.AddOptions(
- EnumOption('TARGET_ISA', 'Target ISA', 'alpha', env['ALL_ISA_LIST']),
+ EnumOption('TARGET_ISA', 'Target ISA', 'alpha', all_isa_list),
BoolOption('FULL_SYSTEM', 'Full-system support', False),
# There's a bug in scons 0.96.1 that causes ListOptions with list
# values (more than one value) not to be able to be restored from
# a saved option file. If this causes trouble then upgrade to
# scons 0.96.90 or later.
- ListOption('CPU_MODELS', 'CPU models', 'AtomicSimpleCPU,TimingSimpleCPU',
- env['ALL_CPU_LIST']),
- BoolOption('ALPHA_TLASER',
- 'Model Alpha TurboLaser platform (vs. Tsunami)', False),
+ ListOption('CPU_MODELS', 'CPU models', default_cpus, all_cpu_list),
BoolOption('NO_FAST_ALLOC', 'Disable fast object allocator', False),
BoolOption('EFENCE', 'Link with Electric Fence malloc debugger',
False),
('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')
+ ('BATCH_CMD', 'Batch pool submission command name', 'qdo'),
+ ('PYTHONHOME',
+ 'Override the default PYTHONHOME for this system (use with caution)',
+ '%s:%s' % (sys.prefix, sys.exec_prefix))
)
-# Non-sticky options only apply to the current build.
-nonsticky_opts = Options(args=ARGUMENTS)
nonsticky_opts.AddOptions(
BoolOption('update_ref', 'Update test reference outputs', False)
)
# These options get exported to #defines in config/*.hh (see src/SConscript).
env.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \
'USE_MYSQL', 'NO_FAST_ALLOC', 'SS_COMPATIBLE_FP', \
- 'USE_CHECKER']
+ 'USE_CHECKER', 'PYTHONHOME', 'TARGET_ISA']
# Define a handy 'no-op' action
def no_action(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])))
+ target = joinpath('config', option.lower() + '.hh')
+ val = env[option]
+ if isinstance(val, bool):
+ # Force value to 0/1
+ val = int(val)
+ elif isinstance(val, str):
+ val = '"' + val + '"'
+
# Sources are option name & value (packaged in SCons Value nodes)
return ([target], [Value(option), Value(val)])
# libelf build is shared across all configs in the build root.
env.SConscript('ext/libelf/SConscript',
- build_dir = os.path.join(build_root, 'libelf'),
+ build_dir = joinpath(build_root, 'libelf'),
exports = 'env')
+###################################################
+#
+# This function is used to set up a directory with switching headers
+#
+###################################################
+
+env['ALL_ISA_LIST'] = all_isa_list
+def make_switching_dir(dirname, switch_headers, env):
+ # Generate the header. target[0] is the full path of the output
+ # header to generate. 'source' is a dummy variable, since we get the
+ # list of ISAs from env['ALL_ISA_LIST'].
+ def gen_switch_hdr(target, source, env):
+ fname = str(target[0])
+ basename = os.path.basename(fname)
+ f = open(fname, 'w')
+ f.write('#include "arch/isa_specific.hh"\n')
+ cond = '#if'
+ for isa in all_isa_list:
+ f.write('%s THE_ISA == %s_ISA\n#include "%s/%s/%s"\n'
+ % (cond, isa.upper(), dirname, isa, basename))
+ cond = '#elif'
+ f.write('#else\n#error "THE_ISA not set"\n#endif\n')
+ f.close()
+ return 0
+
+ # String to print when generating header
+ def gen_switch_hdr_string(target, source, env):
+ return "Generating switch header " + str(target[0])
+
+ # Build SCons Action object. 'varlist' specifies env vars that this
+ # action depends on; when env['ALL_ISA_LIST'] changes these actions
+ # should get re-executed.
+ switch_hdr_action = Action(gen_switch_hdr, gen_switch_hdr_string,
+ varlist=['ALL_ISA_LIST'])
+
+ # Instantiate actions for each header
+ for hdr in switch_headers:
+ env.Command(hdr, [], switch_hdr_action)
+Export('make_switching_dir')
+
###################################################
#
# Define build environments for selected configurations.
# Options for $BUILD_ROOT/$BUILD_DIR are stored in
# $BUILD_ROOT/options/$BUILD_DIR so you can nuke
# $BUILD_ROOT/$BUILD_DIR without losing your options settings.
- current_opts_file = os.path.join(build_root, 'options', build_dir)
+ current_opts_file = joinpath(build_root, 'options', build_dir)
if os.path.isfile(current_opts_file):
sticky_opts.files.append(current_opts_file)
print "Using saved options file %s" % current_opts_file
# Get default build options from source tree. Options are
# normally determined by name of $BUILD_DIR, but can be
# overriden by 'default=' arg on command line.
- default_opts_file = os.path.join('build_opts',
- ARGUMENTS.get('default', build_dir))
+ default_opts_file = joinpath('build_opts',
+ ARGUMENTS.get('default', build_dir))
if os.path.isfile(default_opts_file):
sticky_opts.files.append(default_opts_file)
print "Options file %s not found,\n using defaults in %s" \
# Set up the regression tests for each build.
for e in envList:
SConscript('tests/SConscript',
- build_dir = os.path.join(build_path, 'test', e.Label),
+ build_dir = joinpath(build_path, 'tests', e.Label),
exports = { 'env' : e }, duplicate = False)
Help(help_text)
+
###################################################
#
# Let SCons do its thing. At this point SCons will use the defined
projects / gem5.git / blobdiff