# -*- mode:python -*-
+# Copyright (c) 2011 Advanced Micro Devices, Inc.
# Copyright (c) 2009 The Hewlett-Packard Development Company
# Copyright (c) 2004-2005 The Regents of The University of Michigan
# All rights reserved.
from m5.util import compareVersions, readCommand
+help_texts = {
+ "options" : "",
+ "global_vars" : "",
+ "local_vars" : ""
+}
+
+Export("help_texts")
+
+def AddM5Option(*args, **kwargs):
+ col_width = 30
+
+ help = " " + ", ".join(args)
+ if "help" in kwargs:
+ length = len(help)
+ if length >= col_width:
+ help += "\n" + " " * col_width
+ else:
+ help += " " * (col_width - length)
+ help += kwargs["help"]
+ help_texts["options"] += help + "\n"
+
+ AddOption(*args, **kwargs)
+
+AddM5Option('--colors', dest='use_colors', action='store_true',
+ help="Add color to abbreviated scons output")
+AddM5Option('--no-colors', dest='use_colors', action='store_false',
+ help="Don't add color to abbreviated scons output")
+AddM5Option('--default', dest='default', type='string', action='store',
+ help='Override which build_opts file to use for defaults')
+AddM5Option('--ignore-style', dest='ignore_style', action='store_true',
+ help='Disable style checking hooks')
+AddM5Option('--update-ref', dest='update_ref', action='store_true',
+ help='Update test reference outputs')
+AddM5Option('--verbose', dest='verbose', action='store_true',
+ help='Print full tool command lines')
+
+use_colors = GetOption('use_colors')
+if use_colors:
+ from m5.util.terminal import termcap
+elif use_colors is None:
+ # option unspecified; default behavior is to use colors iff isatty
+ from m5.util.terminal import tty_termcap as termcap
+else:
+ from m5.util.terminal import no_termcap as termcap
+
########################################################################
#
# Set up the main build environment.
style = %s/util/style.py
[hooks]
-pretxncommit.style = python:style.check_whitespace
-pre-qrefresh.style = python:style.check_whitespace
+pretxncommit.style = python:style.check_style
+pre-qrefresh.style = python:style.check_style
""" % (main.root)
mercurial_bin_not_found = """
run the style hook. It is important.
"""
-hg_info = "Unknown"
if hgdir.exists():
- # 1) Grab repository revision if we know it.
- cmd = "hg id -n -i -t -b"
- try:
- hg_info = readCommand(cmd, cwd=main.root.abspath).strip()
- except OSError:
- print mercurial_bin_not_found
-
- # 2) Ensure that the style hook is in place.
+ # Ensure that the style hook is in place.
try:
ui = None
- if ARGUMENTS.get('IGNORE_STYLE') != 'True':
+ if not GetOption('ignore_style'):
from mercurial import ui
ui = ui.ui()
except ImportError:
else:
print ".hg directory not found"
-main['HG_INFO'] = hg_info
-
###################################################
#
# Figure out which configurations to set up based on the path(s) of
if not isdir(path):
raise SCons.Errors.UserError("Path does not exist: '%s'" % path)
-global_sticky_vars_file = joinpath(build_root, 'variables.global')
+global_vars_file = joinpath(build_root, 'variables.global')
-global_sticky_vars = Variables(global_sticky_vars_file, args=ARGUMENTS)
-global_nonsticky_vars = Variables(args=ARGUMENTS)
+global_vars = Variables(global_vars_file, args=ARGUMENTS)
-global_sticky_vars.AddVariables(
+global_vars.AddVariables(
('CC', 'C compiler', environ.get('CC', main['CC'])),
('CXX', 'C++ compiler', environ.get('CXX', main['CXX'])),
('BATCH', 'Use batch pool for build and tests', False),
('BATCH_CMD', 'Batch pool submission command name', 'qdo'),
('M5_BUILD_CACHE', 'Cache built objects in this directory', False),
- ('EXTRAS', 'Add Extra directories to the compilation', '',
+ ('EXTRAS', 'Add extra directories to the compilation', '',
PathListAllExist, PathListMakeAbsolute),
)
-global_nonsticky_vars.AddVariables(
- ('VERBOSE', 'Print full tool command lines', False),
- ('update_ref', 'Update test reference outputs', False)
- )
-
-
-# base help text
-help_text = '''
-Usage: scons [scons options] [build options] [target(s)]
-
-Global sticky options:
-'''
-
-# Update main environment with values from ARGUMENTS & global_sticky_vars_file
-global_sticky_vars.Update(main)
-global_nonsticky_vars.Update(main)
-
-help_text += global_sticky_vars.GenerateHelpText(main)
-help_text += global_nonsticky_vars.GenerateHelpText(main)
+# Update main environment with values from ARGUMENTS & global_vars_file
+global_vars.Update(main)
+help_texts["global_vars"] += global_vars.GenerateHelpText(main)
# Save sticky variable settings back to current variables file
-global_sticky_vars.Save(global_sticky_vars_file, main)
+global_vars.Save(global_vars_file, main)
# Parse EXTRAS variable to build list of all directories where we're
# look for sources etc. This list is exported as base_dir_list.
# the ext directory should be on the #includes path
main.Append(CPPPATH=[Dir('ext')])
-def _STRIP(path, env):
+def strip_build_path(path, env):
path = str(path)
variant_base = env['BUILDROOT'] + os.path.sep
if path.startswith(variant_base):
path = path[6:]
return path
-def _STRIP_SOURCE(target, source, env, for_signature):
- return _STRIP(source[0], env)
-main['STRIP_SOURCE'] = _STRIP_SOURCE
-
-def _STRIP_TARGET(target, source, env, for_signature):
- return _STRIP(target[0], env)
-main['STRIP_TARGET'] = _STRIP_TARGET
-
-if main['VERBOSE']:
+# Generate a string of the form:
+# common/path/prefix/src1, src2 -> tgt1, tgt2
+# to print while building.
+class Transform(object):
+ # all specific color settings should be here and nowhere else
+ tool_color = termcap.Normal
+ pfx_color = termcap.Yellow
+ srcs_color = termcap.Yellow + termcap.Bold
+ arrow_color = termcap.Blue + termcap.Bold
+ tgts_color = termcap.Yellow + termcap.Bold
+
+ def __init__(self, tool, max_sources=99):
+ self.format = self.tool_color + (" [%8s] " % tool) \
+ + self.pfx_color + "%s" \
+ + self.srcs_color + "%s" \
+ + self.arrow_color + " -> " \
+ + self.tgts_color + "%s" \
+ + termcap.Normal
+ self.max_sources = max_sources
+
+ def __call__(self, target, source, env, for_signature=None):
+ # truncate source list according to max_sources param
+ source = source[0:self.max_sources]
+ def strip(f):
+ return strip_build_path(str(f), env)
+ if len(source) > 0:
+ srcs = map(strip, source)
+ else:
+ srcs = ['']
+ tgts = map(strip, target)
+ # surprisingly, os.path.commonprefix is a dumb char-by-char string
+ # operation that has nothing to do with paths.
+ com_pfx = os.path.commonprefix(srcs + tgts)
+ com_pfx_len = len(com_pfx)
+ if com_pfx:
+ # do some cleanup and sanity checking on common prefix
+ if com_pfx[-1] == ".":
+ # prefix matches all but file extension: ok
+ # back up one to change 'foo.cc -> o' to 'foo.cc -> .o'
+ com_pfx = com_pfx[0:-1]
+ elif com_pfx[-1] == "/":
+ # common prefix is directory path: OK
+ pass
+ else:
+ src0_len = len(srcs[0])
+ tgt0_len = len(tgts[0])
+ if src0_len == com_pfx_len:
+ # source is a substring of target, OK
+ pass
+ elif tgt0_len == com_pfx_len:
+ # target is a substring of source, need to back up to
+ # avoid empty string on RHS of arrow
+ sep_idx = com_pfx.rfind(".")
+ if sep_idx != -1:
+ com_pfx = com_pfx[0:sep_idx]
+ else:
+ com_pfx = ''
+ elif src0_len > com_pfx_len and srcs[0][com_pfx_len] == ".":
+ # still splitting at file extension: ok
+ pass
+ else:
+ # probably a fluke; ignore it
+ com_pfx = ''
+ # recalculate length in case com_pfx was modified
+ com_pfx_len = len(com_pfx)
+ def fmt(files):
+ f = map(lambda s: s[com_pfx_len:], files)
+ return ', '.join(f)
+ return self.format % (com_pfx, fmt(srcs), fmt(tgts))
+
+Export('Transform')
+
+
+if GetOption('verbose'):
def MakeAction(action, string, *args, **kwargs):
return Action(action, *args, **kwargs)
else:
MakeAction = Action
- main['CCCOMSTR'] = ' [ CC] $STRIP_SOURCE'
- main['CXXCOMSTR'] = ' [ CXX] $STRIP_SOURCE'
- main['ASCOMSTR'] = ' [ AS] $STRIP_SOURCE'
- main['SWIGCOMSTR'] = ' [ SWIG] $STRIP_SOURCE'
- main['ARCOMSTR'] = ' [ AR] $STRIP_TARGET'
- main['LINKCOMSTR'] = ' [ LINK] $STRIP_TARGET'
- main['RANLIBCOMSTR'] = ' [ RANLIB] $STRIP_TARGET'
- main['M4COMSTR'] = ' [ M4] $STRIP_TARGET'
- main['SHCCCOMSTR'] = ' [ SHCC] $STRIP_TARGET'
- main['SHCXXCOMSTR'] = ' [ SHCXX] $STRIP_TARGET'
+ main['CCCOMSTR'] = Transform("CC")
+ main['CXXCOMSTR'] = Transform("CXX")
+ main['ASCOMSTR'] = Transform("AS")
+ main['SWIGCOMSTR'] = Transform("SWIG")
+ main['ARCOMSTR'] = Transform("AR", 0)
+ main['LINKCOMSTR'] = Transform("LINK", 0)
+ main['RANLIBCOMSTR'] = Transform("RANLIB", 0)
+ main['M4COMSTR'] = Transform("M4")
+ main['SHCCCOMSTR'] = Transform("SHCC")
+ main['SHCXXCOMSTR'] = Transform("SHCXX")
Export('MakeAction')
CXX_version = readCommand([main['CXX'],'--version'], exception=False)
print ' Please install zlib and try again.'
Exit(1)
+# Check for librt.
+have_posix_clock = \
+ conf.CheckLibWithHeader(None, 'time.h', 'C',
+ 'clock_nanosleep(0,0,NULL,NULL);') or \
+ conf.CheckLibWithHeader('rt', 'time.h', 'C',
+ 'clock_nanosleep(0,0,NULL,NULL);')
+
+if not have_posix_clock:
+ print "Can't find library for POSIX clocks."
+
# Check for <fenv.h> (C99 FP environment control)
have_fenv = conf.CheckHeader('fenv.h', '<>')
if not have_fenv:
sorted(n for n,m in CpuModel.dict.iteritems() if m.default),
sorted(CpuModel.list)),
BoolVariable('NO_FAST_ALLOC', 'Disable fast object allocator', False),
- BoolVariable('FAST_ALLOC_DEBUG', 'Enable fast object allocator debugging',
- False),
+ BoolVariable('FORCE_FAST_ALLOC',
+ 'Enable fast object allocator, even for m5.debug', False),
BoolVariable('FAST_ALLOC_STATS', 'Enable fast object allocator statistics',
False),
BoolVariable('EFENCE', 'Link with Electric Fence malloc debugger',
'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts',
False),
BoolVariable('USE_MYSQL', 'Use MySQL for stats output', have_mysql),
+ BoolVariable('USE_POSIX_CLOCK', 'Use POSIX Clocks', have_posix_clock),
BoolVariable('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv),
BoolVariable('USE_CHECKER', 'Use checker for detailed CPU models', False),
BoolVariable('CP_ANNOTATE', 'Enable critical path annotation capability', False),
# These variables get exported to #defines in config/*.hh (see src/SConscript).
export_vars += ['FULL_SYSTEM', 'USE_FENV', 'USE_MYSQL',
- 'NO_FAST_ALLOC', 'FAST_ALLOC_DEBUG', 'FAST_ALLOC_STATS',
- 'SS_COMPATIBLE_FP', 'USE_CHECKER', 'TARGET_ISA', 'CP_ANNOTATE']
+ 'NO_FAST_ALLOC', 'FORCE_FAST_ALLOC', 'FAST_ALLOC_STATS',
+ 'SS_COMPATIBLE_FP', 'USE_CHECKER', 'TARGET_ISA', 'CP_ANNOTATE',
+ 'USE_POSIX_CLOCK' ]
###################################################
#
# action depends on; when env['ALL_ISA_LIST'] changes these actions
# should get re-executed.
switch_hdr_action = MakeAction(gen_switch_hdr,
- " [GENERATE] $STRIP_TARGET", varlist=['ALL_ISA_LIST'])
+ Transform("GENERATE"), varlist=['ALL_ISA_LIST'])
# Instantiate actions for each header
for hdr in switch_headers:
# Get default build variables from source tree. Variables are
# normally determined by name of $VARIANT_DIR, but can be
# overriden by 'default=' arg on command line.
- default_vars_file = joinpath('build_opts',
- ARGUMENTS.get('default', variant_dir))
+ default = GetOption('default')
+ if not default:
+ default = variant_dir
+ default_vars_file = joinpath('build_opts', default)
if isfile(default_vars_file):
sticky_vars.files.append(default_vars_file)
print "Variables file %s not found,\n using defaults in %s" \
# Apply current variable settings to env
sticky_vars.Update(env)
- help_text += "\nSticky variables for %s:\n" % variant_dir \
+ help_texts["local_vars"] += \
+ "Build variables for %s:\n" % variant_dir \
+ sticky_vars.GenerateHelpText(env)
# Process variable settings.
variant_dir = joinpath(variant_path, 'tests', e.Label),
exports = { 'env' : e }, duplicate = False)
-Help(help_text)
+# base help text
+Help('''
+Usage: scons [scons options] [build variables] [target(s)]
+
+Extra scons options:
+%(options)s
+
+Global build variables:
+%(global_vars)s
+
+%(local_vars)s
+''' % help_texts)
projects / gem5.git / blobdiff