# Python library imports
import sys
import os
+import subprocess
+from os.path import 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'))
###################################################
#
# 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):
# 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)
if ARGUMENTS.get('CXX', None):
env['CXX'] = ARGUMENTS.get('CXX')
-env.SConsignFile(os.path.join(build_root,"sconsign"))
+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"))
# 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'))
+ 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
py_version_name = 'python' + sys.version[:3]
# include path, e.g. /usr/local/include/python2.4
-py_header_path = os.path.join(sys.exec_prefix, 'include', 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', '<>'):
# add library path too if it's not in the default place
py_lib_path = None
if sys.exec_prefix != '/usr':
- py_lib_path = os.path.join(sys.exec_prefix, 'lib')
+ 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'
# 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++'):
+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.'
env = conf.Finish()
# Define the universe of supported ISAs
-env['ALL_ISA_LIST'] = ['alpha', 'sparc', 'mips']
+env['ALL_ISA_LIST'] = ['alpha', 'sparc', 'mips', 'x86']
# Define the universe of supported CPU models
env['ALL_CPU_LIST'] = ['AtomicSimpleCPU', 'TimingSimpleCPU',
'O3CPU', 'OzoneCPU']
-if os.path.isdir(os.path.join(SRCDIR, 'src/encumbered/cpu/full')):
+if os.path.isdir(joinpath(SRCDIR, 'encumbered/cpu/full')):
env['ALL_CPU_LIST'] += ['FullCPU']
# Sticky options get saved in the options file so they persist from
# extract option name from Builder arg
option = str(target[0])
# True target is config header file
- target = os.path.join('config', option.lower() + '.hh')
+ target = joinpath('config', option.lower() + '.hh')
val = env[option]
if isinstance(val, bool):
# Force value to 0/1
# 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')
###################################################
# 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, 'tests', e.Label),
+ build_dir = joinpath(build_path, 'tests', e.Label),
exports = { 'env' : e }, duplicate = False)
Help(help_text)