# Authors: Nathan Binkert
import array
+import bisect
import imp
import marshal
import os
import sys
import zlib
-from os.path import basename, exists, isdir, isfile, join as joinpath
+from os.path import basename, dirname, exists, isdir, isfile, join as joinpath
import SCons
# Children need to see the environment
Export('env')
-build_env = dict([(opt, env[opt]) for opt in env.ExportOptions])
+build_env = dict([(opt, env[opt]) for opt in export_vars])
-def sort_list(_list):
- """return a sorted copy of '_list'"""
- if isinstance(_list, list):
- _list = _list[:]
- else:
- _list = list(_list)
- _list.sort()
- return _list
-
-class PySourceFile(object):
+########################################################################
+# Code for adding source files of various types
+#
+class SourceMeta(type):
+ def __init__(cls, name, bases, dict):
+ super(SourceMeta, cls).__init__(name, bases, dict)
+ cls.all = []
+
+ def get(cls, **kwargs):
+ for src in cls.all:
+ for attr,value in kwargs.iteritems():
+ if getattr(src, attr) != value:
+ break
+ else:
+ yield src
+
+class SourceFile(object):
+ __metaclass__ = SourceMeta
+ def __init__(self, source):
+ tnode = source
+ if not isinstance(source, SCons.Node.FS.File):
+ tnode = File(source)
+
+ self.tnode = tnode
+ self.snode = tnode.srcnode()
+ self.filename = str(tnode)
+ self.dirname = dirname(self.filename)
+ self.basename = basename(self.filename)
+ index = self.basename.rfind('.')
+ if index <= 0:
+ # dot files aren't extensions
+ self.extname = self.basename, None
+ else:
+ self.extname = self.basename[:index], self.basename[index+1:]
+
+ for base in type(self).__mro__:
+ if issubclass(base, SourceFile):
+ bisect.insort_right(base.all, self)
+
+ def __lt__(self, other): return self.filename < other.filename
+ def __le__(self, other): return self.filename <= other.filename
+ def __gt__(self, other): return self.filename > other.filename
+ def __ge__(self, other): return self.filename >= other.filename
+ def __eq__(self, other): return self.filename == other.filename
+ def __ne__(self, other): return self.filename != other.filename
+
+class Source(SourceFile):
+ '''Add a c/c++ source file to the build'''
+ def __init__(self, source, Werror=True, swig=False, bin_only=False,
+ skip_lib=False):
+ super(Source, self).__init__(source)
+
+ self.Werror = Werror
+ self.swig = swig
+ self.bin_only = bin_only
+ self.skip_lib = bin_only or skip_lib
+
+class PySource(SourceFile):
+ '''Add a python source file to the named package'''
invalid_sym_char = re.compile('[^A-z0-9_]')
+ modules = {}
+ tnodes = {}
+ symnames = {}
+
def __init__(self, package, source):
- filename = str(source)
- pyname = basename(filename)
- assert pyname.endswith('.py')
- name = pyname[:-3]
+ super(PySource, self).__init__(source)
+
+ modname,ext = self.extname
+ assert ext == 'py'
+
if package:
path = package.split('.')
else:
path = []
- modpath = path
- if name != '__init__':
- modpath += [name]
+
+ modpath = path[:]
+ if modname != '__init__':
+ modpath += [ modname ]
modpath = '.'.join(modpath)
- arcpath = path + [ pyname ]
- arcname = joinpath(*arcpath)
+ arcpath = path + [ self.basename ]
+ debugname = self.snode.abspath
+ if not exists(debugname):
+ debugname = self.tnode.abspath
- self.tnode = source
- self.snode = source.srcnode()
- self.pyname = pyname
self.package = package
+ self.modname = modname
self.modpath = modpath
- self.arcname = arcname
- self.filename = filename
- self.compiled = File(filename + 'c')
- self.assembly = File(filename + '.s')
- self.symname = "PyEMB_" + self.invalid_sym_char.sub('_', modpath)
-
+ self.arcname = joinpath(*arcpath)
+ self.debugname = debugname
+ self.compiled = File(self.filename + 'c')
+ self.assembly = File(self.filename + '.s')
+ self.symname = "PyEMB_" + PySource.invalid_sym_char.sub('_', modpath)
-########################################################################
-# Code for adding source files of various types
-#
-cc_lib_sources = []
-def Source(source):
- '''Add a source file to the libm5 build'''
- if not isinstance(source, SCons.Node.FS.File):
- source = File(source)
+ PySource.modules[modpath] = self
+ PySource.tnodes[self.tnode] = self
+ PySource.symnames[self.symname] = self
- cc_lib_sources.append(source)
+class SimObject(PySource):
+ '''Add a SimObject python file as a python source object and add
+ it to a list of sim object modules'''
-cc_bin_sources = []
-def BinSource(source):
- '''Add a source file to the m5 binary build'''
- if not isinstance(source, SCons.Node.FS.File):
- source = File(source)
+ fixed = False
+ modnames = []
- cc_bin_sources.append(source)
+ def __init__(self, source):
+ super(SimObject, self).__init__('m5.objects', source)
+ if self.fixed:
+ raise AttributeError, "Too late to call SimObject now."
-py_sources = []
-def PySource(package, source):
- '''Add a python source file to the named package'''
- if not isinstance(source, SCons.Node.FS.File):
- source = File(source)
+ bisect.insort_right(SimObject.modnames, self.modname)
- source = PySourceFile(package, source)
- py_sources.append(source)
+class SwigSource(SourceFile):
+ '''Add a swig file to build'''
-sim_objects_fixed = False
-sim_object_modfiles = set()
-def SimObject(source):
- '''Add a SimObject python file as a python source object and add
- it to a list of sim object modules'''
+ def __init__(self, package, source):
+ super(SwigSource, self).__init__(source)
- if sim_objects_fixed:
- raise AttributeError, "Too late to call SimObject now."
+ modname,ext = self.extname
+ assert ext == 'i'
- if not isinstance(source, SCons.Node.FS.File):
- source = File(source)
+ self.module = modname
+ cc_file = joinpath(self.dirname, modname + '_wrap.cc')
+ py_file = joinpath(self.dirname, modname + '.py')
- PySource('m5.objects', source)
- modfile = basename(str(source))
- assert modfile.endswith('.py')
- modname = modfile[:-3]
- sim_object_modfiles.add(modname)
+ self.cc_source = Source(cc_file, swig=True)
+ self.py_source = PySource(package, py_file)
-swig_sources = []
-def SwigSource(package, source):
- '''Add a swig file to build'''
- if not isinstance(source, SCons.Node.FS.File):
- source = File(source)
- val = source,package
- swig_sources.append(val)
+unit_tests = []
+def UnitTest(target, sources):
+ if not isinstance(sources, (list, tuple)):
+ sources = [ sources ]
+
+ sources = [ Source(src, skip_lib=True) for src in sources ]
+ unit_tests.append((target, sources))
# Children should have access
Export('Source')
-Export('BinSource')
Export('PySource')
Export('SimObject')
Export('SwigSource')
+Export('UnitTest')
########################################################################
#
# Trace Flags
#
-all_flags = {}
-trace_flags = []
-def TraceFlag(name, desc=''):
- if name in all_flags:
+trace_flags = {}
+def TraceFlag(name, desc=None):
+ if name in trace_flags:
raise AttributeError, "Flag %s already specified" % name
- flag = (name, (), desc)
- trace_flags.append(flag)
- all_flags[name] = ()
+ trace_flags[name] = (name, (), desc)
-def CompoundFlag(name, flags, desc=''):
- if name in all_flags:
+def CompoundFlag(name, flags, desc=None):
+ if name in trace_flags:
raise AttributeError, "Flag %s already specified" % name
compound = tuple(flags)
- for flag in compound:
- if flag not in all_flags:
- raise AttributeError, "Trace flag %s not found" % flag
- if all_flags[flag]:
- raise AttributeError, \
- "Compound flag can't point to another compound flag"
-
- flag = (name, compound, desc)
- trace_flags.append(flag)
- all_flags[name] = compound
+ trace_flags[name] = (name, compound, desc)
Export('TraceFlag')
Export('CompoundFlag')
# files.
env.Append(CPPPATH=Dir('.'))
+for extra_dir in extras_dir_list:
+ env.Append(CPPPATH=Dir(extra_dir))
+
# Add a flag defining what THE_ISA should be for all compilation
env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())])
+# Workaround for bug in SCons version > 0.97d20071212
+# Scons bug id: 2006 M5 Bug id: 308
+for root, dirs, files in os.walk(base_dir, topdown=True):
+ Dir(root[len(base_dir) + 1:])
+
########################################################################
#
# Walk the tree and execute all SConscripts in subdirectories
#
-for base_dir in base_dir_list:
- here = Dir('.').srcnode().abspath
- for root, dirs, files in os.walk(base_dir, topdown=True):
- if root == here:
- # we don't want to recurse back into this SConscript
- continue
+here = Dir('.').srcnode().abspath
+for root, dirs, files in os.walk(base_dir, topdown=True):
+ if root == here:
+ # we don't want to recurse back into this SConscript
+ continue
+
+ if 'SConscript' in files:
+ build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:])
+ SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
+for extra_dir in extras_dir_list:
+ prefix_len = len(dirname(extra_dir)) + 1
+ for root, dirs, files in os.walk(extra_dir, topdown=True):
if 'SConscript' in files:
- build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:])
+ build_dir = joinpath(env['BUILDDIR'], root[prefix_len:])
SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
-for opt in env.ExportOptions:
+for opt in export_vars:
env.ConfigFile(opt)
########################################################################
self.installed = set()
def find_module(self, fullname, path):
- if fullname == '__scons':
+ if fullname == 'defines':
return self
if fullname == 'm5.objects':
if fullname.startswith('m5.internal'):
return None
- if fullname in self.modules and exists(self.modules[fullname]):
+ source = self.modules.get(fullname, None)
+ if source is not None and exists(source.snode.abspath):
return self
return None
mod.__path__ = fullname.split('.')
return mod
- if fullname == '__scons':
- mod.__dict__['m5_build_env'] = build_env
+ if fullname == 'defines':
+ mod.__dict__['buildEnv'] = build_env
return mod
- srcfile = self.modules[fullname]
- if basename(srcfile) == '__init__.py':
- mod.__path__ = fullname.split('.')
- mod.__file__ = srcfile
+ source = self.modules[fullname]
+ if source.modname == '__init__':
+ mod.__path__ = source.modpath
+ mod.__file__ = source.snode.abspath
- exec file(srcfile, 'r') in mod.__dict__
+ exec file(source.snode.abspath, 'r') in mod.__dict__
return mod
-py_modules = {}
-for source in py_sources:
- py_modules[source.modpath] = source.snode.abspath
-
# install the python importer so we can grab stuff from the source
# tree itself. We can't have SimObjects added after this point or
# else we won't know about them for the rest of the stuff.
-sim_objects_fixed = True
-importer = DictImporter(py_modules)
+SimObject.fixed = True
+importer = DictImporter(PySource.modules)
sys.meta_path[0:0] = [ importer ]
import m5
# import all sim objects so we can populate the all_objects list
# make sure that we're working with a list, then let's sort it
-sim_objects = list(sim_object_modfiles)
-sim_objects.sort()
-for simobj in sim_objects:
- exec('from m5.objects import %s' % simobj)
+for modname in SimObject.modnames:
+ exec('from m5.objects import %s' % modname)
# we need to unload all of the currently imported modules so that they
# will be re-imported the next time the sconscript is run
all_enums = m5.params.allEnums
all_params = {}
-for name,obj in sim_objects.iteritems():
+for name,obj in sorted(sim_objects.iteritems()):
for param in obj._params.local.values():
if not hasattr(param, 'swig_decl'):
continue
# calculate extra dependencies
#
module_depends = ["m5", "m5.SimObject", "m5.params"]
-depends = [ File(py_modules[dep]) for dep in module_depends ]
+depends = [ PySource.modules[dep].tnode for dep in module_depends ]
########################################################################
#
# build_env flags.
def makeDefinesPyFile(target, source, env):
f = file(str(target[0]), 'w')
- print >>f, "m5_build_env = ", source[0]
+ build_env, hg_info = [ x.get_contents() for x in source ]
+ print >>f, "buildEnv = %s" % build_env
+ print >>f, "hgRev = '%s'" % hg_info
f.close()
+defines_info = [ Value(build_env), Value(env['HG_INFO']) ]
+# Generate a file with all of the compile options in it
+env.Command('python/m5/defines.py', defines_info, makeDefinesPyFile)
+PySource('m5', 'python/m5/defines.py')
+
# Generate python file containing info about the M5 source code
def makeInfoPyFile(target, source, env):
f = file(str(target[0]), 'w')
print >>f, "%s = %s" % (src, repr(data))
f.close()
+# Generate a file that wraps the basic top level files
+env.Command('python/m5/info.py',
+ [ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ],
+ makeInfoPyFile)
+PySource('m5', 'python/m5/info.py')
+
# Generate the __init__.py file for m5.objects
def makeObjectsInitFile(target, source, env):
f = file(str(target[0]), 'w')
print >>f, 'from %s import *' % module.get_contents()
f.close()
-# Generate a file with all of the compile options in it
-env.Command('python/m5/defines.py', Value(build_env), makeDefinesPyFile)
-PySource('m5', 'python/m5/defines.py')
-
-# Generate a file that wraps the basic top level files
-env.Command('python/m5/info.py',
- [ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ],
- makeInfoPyFile)
-PySource('m5', 'python/m5/info.py')
-
# Generate an __init__.py file for the objects package
env.Command('python/m5/objects/__init__.py',
- [ Value(o) for o in sort_list(sim_object_modfiles) ],
+ map(Value, SimObject.modnames),
makeObjectsInitFile)
PySource('m5.objects', 'python/m5/objects/__init__.py')
obj = sim_objects[name]
print >>hh_file, obj.cxx_decl()
+ hh_file.close()
def createSwigParam(target, source, env):
assert len(target) == 1 and len(source) == 1
for line in param.swig_decl():
print >>i_file, line
+ i_file.close()
def createEnumStrings(target, source, env):
assert len(target) == 1 and len(source) == 1
obj = all_enums[name]
print >>hh_file, obj.cxx_decl()
+ hh_file.close()
# Generate all of the SimObject param struct header files
params_hh_files = []
-for name,simobj in sim_objects.iteritems():
- extra_deps = [ File(py_modules[simobj.__module__]) ]
+for name,simobj in sorted(sim_objects.iteritems()):
+ py_source = PySource.modules[simobj.__module__]
+ extra_deps = [ py_source.tnode ]
hh_file = File('params/%s.hh' % name)
params_hh_files.append(hh_file)
env.Depends(i_file, depends)
# Generate all enum header files
-for name,enum in all_enums.iteritems():
- extra_deps = [ File(py_modules[enum.__module__]) ]
+for name,enum in sorted(all_enums.iteritems()):
+ py_source = PySource.modules[enum.__module__]
+ extra_deps = [ py_source.tnode ]
cc_file = File('enums/%s.cc' % name)
env.Command(cc_file, Value(name), createEnumStrings)
print >>out, decl
continue
+ class_path = obj.cxx_class.split('::')
+ classname = class_path[-1]
+ namespaces = class_path[:-1]
+ namespaces.reverse()
+
code = ''
- base = obj.get_base()
+
+ if namespaces:
+ code += '// avoid name conflicts\n'
+ sep_string = '_COLONS_'
+ flat_name = sep_string.join(class_path)
+ code += '%%rename(%s) %s;\n' % (flat_name, classname)
code += '// stop swig from creating/wrapping default ctor/dtor\n'
- code += '%%nodefault %s;\n' % obj.cxx_class
- code += 'class %s ' % obj.cxx_class
- if base:
- code += ': public %s' % base
+ code += '%%nodefault %s;\n' % classname
+ code += 'class %s ' % classname
+ if obj._base:
+ code += ': public %s' % obj._base.cxx_class
code += ' {};\n'
- klass = obj.cxx_class;
- if hasattr(obj, 'cxx_namespace'):
- new_code = 'namespace %s {\n' % obj.cxx_namespace
+ for ns in namespaces:
+ new_code = 'namespace %s {\n' % ns
new_code += code
new_code += '}\n'
code = new_code
- klass = '%s::%s' % (obj.cxx_namespace, klass)
print >>out, code
print >>out, '%%include "params/%s.hh"' % obj
params_file = File('params/params.i')
-names = sort_list(sim_objects.keys())
-env.Command(params_file, [ Value(v) for v in names ], buildParams)
+names = sorted(sim_objects.keys())
+env.Command(params_file, map(Value, names), buildParams)
env.Depends(params_file, params_hh_files + params_i_files + depends)
SwigSource('m5.objects', params_file)
# Build all swig modules
-swig_modules = []
-cc_swig_sources = []
-for source,package in swig_sources:
- filename = str(source)
- assert filename.endswith('.i')
-
- base = '.'.join(filename.split('.')[:-1])
- module = basename(base)
- cc_file = base + '_wrap.cc'
- py_file = base + '.py'
-
- env.Command([cc_file, py_file], source,
+for swig in SwigSource.all:
+ env.Command([swig.cc_source.tnode, swig.py_source.tnode], swig.tnode,
'$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} '
'-o ${TARGETS[0]} $SOURCES')
- env.Depends(py_file, source)
- env.Depends(cc_file, source)
-
- swig_modules.append(Value(module))
- cc_swig_sources.append(File(cc_file))
- PySource(package, py_file)
+ env.Depends(swig.py_source.tnode, swig.tnode)
+ env.Depends(swig.cc_source.tnode, swig.tnode)
# Generate the main swig init file
def makeSwigInit(target, source, env):
print >>f, '}'
f.close()
-env.Command('python/swig/init.cc', swig_modules, makeSwigInit)
+env.Command('python/swig/init.cc',
+ map(Value, sorted(s.module for s in SwigSource.all)),
+ makeSwigInit)
Source('python/swig/init.cc')
+def getFlags(source_flags):
+ flagsMap = {}
+ flagsList = []
+ for s in source_flags:
+ val = eval(s.get_contents())
+ name, compound, desc = val
+ flagsList.append(val)
+ flagsMap[name] = bool(compound)
+
+ for name, compound, desc in flagsList:
+ for flag in compound:
+ if flag not in flagsMap:
+ raise AttributeError, "Trace flag %s not found" % flag
+ if flagsMap[flag]:
+ raise AttributeError, \
+ "Compound flag can't point to another compound flag"
+
+ flagsList.sort()
+ return flagsList
+
+
# Generate traceflags.py
def traceFlagsPy(target, source, env):
assert(len(target) == 1)
f = file(str(target[0]), 'w')
+
+ allFlags = getFlags(source)
- allFlags = []
- for s in source:
- val = eval(s.get_contents())
- allFlags.append(val)
-
- print >>f, 'baseFlags = ['
+ print >>f, 'basic = ['
for flag, compound, desc in allFlags:
if not compound:
print >>f, " '%s'," % flag
print >>f, " ]"
print >>f
- print >>f, 'compoundFlags = ['
+ print >>f, 'compound = ['
print >>f, " 'All',"
for flag, compound, desc in allFlags:
if compound:
print >>f, " ]"
print >>f
- print >>f, "allFlags = frozenset(baseFlags + compoundFlags)"
+ print >>f, "all = frozenset(basic + compound)"
print >>f
- print >>f, 'compoundFlagMap = {'
+ print >>f, 'compoundMap = {'
all = tuple([flag for flag,compound,desc in allFlags if not compound])
print >>f, " 'All' : %s," % (all, )
for flag, compound, desc in allFlags:
print >>f, " }"
print >>f
- print >>f, 'flagDescriptions = {'
+ print >>f, 'descriptions = {'
print >>f, " 'All' : 'All flags',"
for flag, compound, desc in allFlags:
print >>f, " '%s' : '%s'," % (flag, desc)
f = file(str(target[0]), 'w')
- allFlags = []
- for s in source:
- val = eval(s.get_contents())
- allFlags.append(val)
+ allFlags = getFlags(source)
# file header
print >>f, '''
f = file(str(target[0]), 'w')
- allFlags = []
- for s in source:
- val = eval(s.get_contents())
- allFlags.append(val)
+ allFlags = getFlags(source)
# file header boilerplate
print >>f, '''
f.close()
-flags = [ Value(f) for f in trace_flags ]
+flags = map(Value, trace_flags.values())
env.Command('base/traceflags.py', flags, traceFlagsPy)
PySource('m5', 'base/traceflags.py')
env.Command('base/traceflags.cc', flags, traceFlagsCC)
Source('base/traceflags.cc')
-# Generate program_info.cc
-def programInfo(target, source, env):
- def gen_file(target, rev, node, date):
- pi_stats = file(target, 'w')
- print >>pi_stats, 'const char *hgRev = "%s:%s";' % (rev, node)
- print >>pi_stats, 'const char *hgDate = "%s";' % date
- pi_stats.close()
-
- target = str(target[0])
- scons_dir = str(source[0].get_contents())
- try:
- import mercurial.demandimport, mercurial.hg, mercurial.ui
- import mercurial.util, mercurial.node
- if not exists(scons_dir) or not isdir(scons_dir) or \
- not exists(joinpath(scons_dir, ".hg")):
- raise ValueError
- repo = mercurial.hg.repository(mercurial.ui.ui(), scons_dir)
- rev = mercurial.node.nullrev + repo.changelog.count()
- changenode = repo.changelog.node(rev)
- changes = repo.changelog.read(changenode)
- date = mercurial.util.datestr(changes[2])
-
- gen_file(target, rev, mercurial.node.hex(changenode), date)
-
- mercurial.demandimport.disable()
- except ImportError:
- gen_file(target, "Unknown", "Unknown", "Unknown")
-
- except:
- print "in except"
- gen_file(target, "Unknown", "Unknown", "Unknown")
- mercurial.demandimport.disable()
-
-env.Command('base/program_info.cc',
- Value(str(SCons.Node.FS.default_fs.SConstruct_dir)),
- programInfo)
-
# embed python files. All .py files that have been indicated by a
# PySource() call in a SConscript need to be embedded into the M5
# library. To do that, we compile the file to byte code, marshal the
# byte code, compress it, and then generate an assembly file that
# inserts the result into the data section with symbols indicating the
# beginning, and end (and with the size at the end)
-py_sources_tnodes = {}
-for pysource in py_sources:
- py_sources_tnodes[pysource.tnode] = pysource
-
def objectifyPyFile(target, source, env):
'''Action function to compile a .py into a code object, marshal
it, compress it, and stick it into an asm file so the code appears
src = file(str(source[0]), 'r').read()
dst = file(str(target[0]), 'w')
- pysource = py_sources_tnodes[source[0]]
- compiled = compile(src, pysource.snode.path, 'exec')
+ pysource = PySource.tnodes[source[0]]
+ compiled = compile(src, pysource.debugname, 'exec')
marshalled = marshal.dumps(compiled)
compressed = zlib.compress(marshalled)
data = compressed
print >>dst, "%s_end:" % sym
print >>dst, ".long %d" % len(marshalled)
-for source in py_sources:
+for source in PySource.all:
env.Command(source.assembly, source.tnode, objectifyPyFile)
Source(source.assembly)
# contains information about the importer that python uses to get at
# the embedded files, and then there's a list of all of the rest that
# the importer uses to load the rest on demand.
-py_sources_symbols = {}
-for pysource in py_sources:
- py_sources_symbols[pysource.symname] = pysource
def pythonInit(target, source, env):
dst = file(str(target[0]), 'w')
def dump_mod(sym, endchar=','):
- pysource = py_sources_symbols[sym]
+ pysource = PySource.symnames[sym]
print >>dst, ' { "%s",' % pysource.arcname
print >>dst, ' "%s",' % pysource.modpath
print >>dst, ' %s_beg, %s_end,' % (sym, sym)
print >>dst, " { 0, 0, 0, 0, 0, 0 }"
print >>dst, "};"
-symbols = [Value(s.symname) for s in py_sources]
-env.Command('sim/init_python.cc', symbols, pythonInit)
+
+env.Command('sim/init_python.cc',
+ map(Value, (s.symname for s in PySource.all)),
+ pythonInit)
Source('sim/init_python.cc')
########################################################################
# List of constructed environments to pass back to SConstruct
envList = []
-# This function adds the specified sources to the given build
-# environment, and returns a list of all the corresponding SCons
-# Object nodes (including an extra one for date.cc). We explicitly
-# add the Object nodes so we can set up special dependencies for
-# date.cc.
-def make_objs(sources, env):
- objs = [env.Object(s) for s in sources]
-
- # make date.cc depend on all other objects so it always gets
- # recompiled whenever anything else does
- date_obj = env.Object('base/date.cc')
-
- # Make the generation of program_info.cc dependend on all
- # the other cc files and the compiling of program_info.cc
- # dependent on all the objects but program_info.o
- pinfo_obj = env.Object('base/program_info.cc')
- env.Depends('base/program_info.cc', sources)
- env.Depends(date_obj, objs)
- env.Depends(pinfo_obj, objs)
- objs.extend([date_obj,pinfo_obj])
- return objs
+date_source = Source('base/date.cc', skip_lib=True)
# Function to create a new build environment as clone of current
# environment 'env' with modified object suffix and optional stripped
# binary. Additional keyword arguments are appended to corresponding
# build environment vars.
def makeEnv(label, objsfx, strip = False, **kwargs):
- newEnv = env.Copy(OBJSUFFIX=objsfx)
- newEnv.Label = label
- newEnv.Append(**kwargs)
+ # SCons doesn't know to append a library suffix when there is a '.' in the
+ # name. Use '_' instead.
+ libname = 'm5_' + label
+ exename = 'm5.' + label
- swig_env = newEnv.Copy()
+ new_env = env.Clone(OBJSUFFIX=objsfx, SHOBJSUFFIX=objsfx + 's')
+ new_env.Label = label
+ new_env.Append(**kwargs)
+
+ swig_env = new_env.Clone()
+ swig_env.Append(CCFLAGS='-Werror')
if env['GCC']:
swig_env.Append(CCFLAGS='-Wno-uninitialized')
swig_env.Append(CCFLAGS='-Wno-sign-compare')
swig_env.Append(CCFLAGS='-Wno-parentheses')
- swig_objs = [ swig_env.Object(s) for s in cc_swig_sources ]
+
+ werror_env = new_env.Clone()
+ werror_env.Append(CCFLAGS='-Werror')
+
+ def make_obj(source, static, extra_deps = None):
+ '''This function adds the specified source to the correct
+ build environment, and returns the corresponding SCons Object
+ nodes'''
+
+ if source.swig:
+ env = swig_env
+ elif source.Werror:
+ env = werror_env
+ else:
+ env = new_env
+
+ if static:
+ obj = env.StaticObject(source.tnode)
+ else:
+ obj = env.SharedObject(source.tnode)
+
+ if extra_deps:
+ env.Depends(obj, extra_deps)
+
+ return obj
+
+ static_objs = [ make_obj(s, True) for s in Source.get(skip_lib=False)]
+ shared_objs = [ make_obj(s, False) for s in Source.get(skip_lib=False)]
+
+ static_date = make_obj(date_source, static=True, extra_deps=static_objs)
+ static_objs.append(static_date)
+
+ shared_date = make_obj(date_source, static=False, extra_deps=shared_objs)
+ shared_objs.append(shared_date)
# First make a library of everything but main() so other programs can
# link against m5.
- #
- # SCons doesn't know to append a library suffix when there is a '.' in the
- # name. Use '_' instead.
+ static_lib = new_env.StaticLibrary(libname, static_objs)
+ shared_lib = new_env.SharedLibrary(libname, shared_objs)
- m5lib = newEnv.Library('m5_' + label,
- make_objs(cc_lib_sources, newEnv) + swig_objs)
+ for target, sources in unit_tests:
+ objs = [ make_obj(s, static=True) for s in sources ]
+ new_env.Program("unittest/%s.%s" % (target, label), objs + static_objs)
+
+ # Now link a stub with main() and the static library.
+ bin_objs = [make_obj(s, True) for s in Source.get(bin_only=True) ]
+ progname = exename
+ if strip:
+ progname += '.unstripped'
+
+ targets = new_env.Program(progname, bin_objs + static_objs)
- # Now link a stub with main() and the library.
- exe = 'm5.' + label # final executable
- objects = [newEnv.Object(s) for s in cc_bin_sources] + m5lib
if strip:
- unstripped_exe = exe + '.unstripped'
- newEnv.Program(unstripped_exe, objects)
if sys.platform == 'sunos5':
cmd = 'cp $SOURCE $TARGET; strip $TARGET'
else:
cmd = 'strip $SOURCE -o $TARGET'
- targets = newEnv.Command(exe, unstripped_exe, cmd)
- else:
- targets = newEnv.Program(exe, objects)
+ targets = new_env.Command(exename, progname, cmd)
- newEnv.M5Binary = targets[0]
- envList.append(newEnv)
+ new_env.M5Binary = targets[0]
+ envList.append(new_env)
# Debug binary
ccflags = {}