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"""SCons.Tool
SCons tool selection.
This looks for modules that define a callable object that can modify
a construction environment as appropriate for a given tool (or tool
chain).
Note that because this subsystem just *selects* a callable that can
modify a construction environment, it's possible for people to define
their own "tool specification" in an arbitrary callable function. No
one needs to use or tie in to this subsystem in order to roll their own
tool definition.
"""
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import imp
import sys
import SCons.Errors
import SCons.Scanner
import SCons.Scanner.C
import SCons.Scanner.D
import SCons.Scanner.Prog
CScanner = SCons.Scanner.C.CScanner()
DScanner = SCons.Scanner.D.DScanner()
ProgramScanner = SCons.Scanner.Prog.ProgramScanner()
SourceFileScanner = SCons.Scanner.Scanner({}, name='SourceFileScanner')
CSuffixes = [".c", ".C", ".cxx", ".cpp", ".c++", ".cc",
".h", ".H", ".hxx", ".hpp", ".hh",
".F", ".fpp", ".FPP",
".S", ".spp", ".SPP"]
DSuffixes = ['.d']
IDLSuffixes = [".idl", ".IDL"]
for suffix in CSuffixes:
SourceFileScanner.add_scanner(suffix, CScanner)
for suffix in DSuffixes:
SourceFileScanner.add_scanner(suffix, DScanner)
class ToolSpec:
def __init__(self, name, **kw):
self.name = name
# remember these so we can merge them into the call
self.init_kw = kw
def __call__(self, env, *args, **kw):
if self.init_kw is not None:
# Merge call kws into init kws;
# but don't bash self.init_kw.
if kw is not None:
call_kw = kw
kw = self.init_kw.copy()
kw.update(call_kw)
else:
kw = self.init_kw
env.Append(TOOLS = [ self.name ])
apply(self.generate, ( env, ) + args, kw)
def __str__(self):
return self.name
def Tool(name, toolpath=[], **kw):
"Select a canned Tool specification, optionally searching in toolpath."
oldpythonpath = sys.path
sys.path = toolpath + sys.path
try:
try:
file, path, desc = imp.find_module(name, toolpath)
try:
module = imp.load_module(name, file, path, desc)
spec = apply(ToolSpec, (name,), kw)
spec.generate = module.generate
spec.exists = module.exists
return spec
finally:
if file:
file.close()
except ImportError, e:
pass
finally:
sys.path = oldpythonpath
full_name = 'SCons.Tool.' + name
if not sys.modules.has_key(full_name):
try:
file, path, desc = imp.find_module(name,
sys.modules['SCons.Tool'].__path__)
mod = imp.load_module(full_name, file, path, desc)
setattr(SCons.Tool, name, mod)
except ImportError, e:
raise SCons.Errors.UserError, "No tool named '%s': %s" % (name, e)
if file:
file.close()
spec = apply(ToolSpec, (name,), kw)
spec.generate = sys.modules[full_name].generate
spec.exists = sys.modules[full_name].exists
return spec
def createProgBuilder(env):
"""This is a utility function that creates the Program
Builder in an Environment if it is not there already.
If it is already there, we return the existing one.
"""
try:
program = env['BUILDERS']['Program']
except KeyError:
import SCons.Defaults
program = SCons.Builder.Builder(action = SCons.Defaults.LinkAction,
emitter = '$PROGEMITTER',
prefix = '$PROGPREFIX',
suffix = '$PROGSUFFIX',
src_suffix = '$OBJSUFFIX',
src_builder = 'Object',
target_scanner = ProgramScanner)
env['BUILDERS']['Program'] = program
return program
def createStaticLibBuilder(env):
"""This is a utility function that creates the StaticLibrary
Builder in an Environment if it is not there already.
If it is already there, we return the existing one.
"""
try:
static_lib = env['BUILDERS']['StaticLibrary']
except KeyError:
import SCons.Defaults
static_lib = SCons.Builder.Builder(action = SCons.Defaults.ArAction,
emitter = '$LIBEMITTER',
prefix = '$LIBPREFIX',
suffix = '$LIBSUFFIX',
src_suffix = '$OBJSUFFIX',
src_builder = 'StaticObject')
env['BUILDERS']['StaticLibrary'] = static_lib
env['BUILDERS']['Library'] = static_lib
return static_lib
def createSharedLibBuilder(env):
"""This is a utility function that creates the SharedLibrary
Builder in an Environment if it is not there already.
If it is already there, we return the existing one.
"""
try:
shared_lib = env['BUILDERS']['SharedLibrary']
except KeyError:
import SCons.Defaults
action_list = [ SCons.Defaults.SharedCheck,
SCons.Defaults.ShLinkAction ]
shared_lib = SCons.Builder.Builder(action = action_list,
emitter = "$SHLIBEMITTER",
prefix = '$SHLIBPREFIX',
suffix = '$SHLIBSUFFIX',
target_scanner = ProgramScanner,
src_suffix = '$SHOBJSUFFIX',
src_builder = 'SharedObject')
env['BUILDERS']['SharedLibrary'] = shared_lib
return shared_lib
def createLoadableModuleBuilder(env):
"""This is a utility function that creates the LoadableModule
Builder in an Environment if it is not there already.
If it is already there, we return the existing one.
"""
try:
ld_module = env['BUILDERS']['LoadableModule']
except KeyError:
import SCons.Defaults
action_list = [ SCons.Defaults.SharedCheck,
SCons.Defaults.LdModuleLinkAction ]
ld_module = SCons.Builder.Builder(action = action_list,
emitter = "$SHLIBEMITTER",
prefix = '$LDMODULEPREFIX',
suffix = '$LDMODULESUFFIX',
target_scanner = ProgramScanner,
src_suffix = '$SHOBJSUFFIX',
src_builder = 'SharedObject')
env['BUILDERS']['LoadableModule'] = ld_module
return ld_module
def createObjBuilders(env):
"""This is a utility function that creates the StaticObject
and SharedObject Builders in an Environment if they
are not there already.
If they are there already, we return the existing ones.
This is a separate function because soooo many Tools
use this functionality.
The return is a 2-tuple of (StaticObject, SharedObject)
"""
try:
static_obj = env['BUILDERS']['StaticObject']
except KeyError:
static_obj = SCons.Builder.Builder(action = {},
emitter = {},
prefix = '$OBJPREFIX',
suffix = '$OBJSUFFIX',
src_builder = ['CFile', 'CXXFile'],
source_scanner = SourceFileScanner,
single_source = 1)
env['BUILDERS']['StaticObject'] = static_obj
env['BUILDERS']['Object'] = static_obj
try:
shared_obj = env['BUILDERS']['SharedObject']
except KeyError:
shared_obj = SCons.Builder.Builder(action = {},
emitter = {},
prefix = '$SHOBJPREFIX',
suffix = '$SHOBJSUFFIX',
src_builder = ['CFile', 'CXXFile'],
source_scanner = SourceFileScanner,
single_source = 1)
env['BUILDERS']['SharedObject'] = shared_obj
return (static_obj, shared_obj)
def createCFileBuilders(env):
"""This is a utility function that creates the CFile/CXXFile
Builders in an Environment if they
are not there already.
If they are there already, we return the existing ones.
This is a separate function because soooo many Tools
use this functionality.
The return is a 2-tuple of (CFile, CXXFile)
"""
try:
c_file = env['BUILDERS']['CFile']
except KeyError:
c_file = SCons.Builder.Builder(action = {},
emitter = {},
suffix = {None:'$CFILESUFFIX'})
env['BUILDERS']['CFile'] = c_file
env['CFILESUFFIX'] = '.c'
try:
cxx_file = env['BUILDERS']['CXXFile']
except KeyError:
cxx_file = SCons.Builder.Builder(action = {},
emitter = {},
suffix = {None:'$CXXFILESUFFIX'})
env['BUILDERS']['CXXFile'] = cxx_file
env['CXXFILESUFFIX'] = '.cc'
return (c_file, cxx_file)
def FindTool(tools, env):
for tool in tools:
t = Tool(tool)
if t.exists(env):
return tool
return None
def FindAllTools(tools, env):
def ToolExists(tool, env=env):
return Tool(tool).exists(env)
return filter (ToolExists, tools)
def tool_list(platform, env):
# XXX this logic about what tool to prefer on which platform
# should be moved into either the platform files or
# the tool files themselves.
# The search orders here are described in the man page. If you
# change these search orders, update the man page as well.
if str(platform) == 'win32':
"prefer Microsoft tools on Windows"
linkers = ['mslink', 'gnulink', 'ilink', 'linkloc', 'ilink32' ]
c_compilers = ['msvc', 'mingw', 'gcc', 'intelc', 'icl', 'icc', 'cc', 'bcc32' ]
cxx_compilers = ['msvc', 'intelc', 'icc', 'g++', 'c++', 'bcc32' ]
assemblers = ['masm', 'nasm', 'gas', '386asm' ]
fortran_compilers = ['g77', 'ifl', 'cvf', 'fortran']
ars = ['mslib', 'ar', 'tlib']
elif str(platform) == 'os2':
"prefer IBM tools on OS/2"
linkers = ['ilink', 'gnulink', 'mslink']
c_compilers = ['icc', 'gcc', 'msvc', 'cc']
cxx_compilers = ['icc', 'g++', 'msvc', 'c++']
assemblers = ['nasm', 'masm', 'gas']
fortran_compilers = ['ifl', 'g77']
ars = ['ar', 'mslib']
elif str(platform) == 'irix':
"prefer MIPSPro on IRIX"
linkers = ['sgilink', 'gnulink']
c_compilers = ['sgicc', 'gcc', 'cc']
cxx_compilers = ['sgic++', 'g++', 'c++']
assemblers = ['as', 'gas']
fortran_compilers = ['f77', 'g77', 'fortran']
ars = ['sgiar']
elif str(platform) == 'sunos':
"prefer Forte tools on SunOS"
linkers = ['sunlink', 'gnulink']
c_compilers = ['suncc', 'gcc', 'cc']
cxx_compilers = ['sunc++', 'g++', 'c++']
assemblers = ['as', 'gas']
fortran_compilers = ['f77', 'g77', 'fortran']
ars = ['sunar']
elif str(platform) == 'hpux':
"prefer aCC tools on HP-UX"
linkers = ['hplink', 'gnulink']
c_compilers = ['hpcc', 'gcc', 'cc']
cxx_compilers = ['hpc++', 'g++', 'c++']
assemblers = ['as', 'gas']
fortran_compilers = ['f77', 'g77', 'fortran']
ars = ['ar']
elif str(platform) == 'aix':
"prefer AIX Visual Age tools on AIX"
linkers = ['aixlink', 'gnulink']
c_compilers = ['aixcc', 'gcc', 'cc']
cxx_compilers = ['aixc++', 'g++', 'c++']
assemblers = ['as', 'gas']
fortran_compilers = ['aixf77', 'g77', 'fortran']
ars = ['ar']
elif str(platform) == 'darwin':
"prefer GNU tools on Mac OS X, except for some linkers and IBM tools"
linkers = ['applelink', 'gnulink']
c_compilers = ['gcc', 'cc']
cxx_compilers = ['g++', 'c++']
assemblers = ['as']
fortran_compilers = ['g77']
ars = ['ar']
else:
"prefer GNU tools on all other platforms"
linkers = ['gnulink', 'mslink', 'ilink']
c_compilers = ['gcc', 'msvc', 'intelc', 'icc', 'cc']
cxx_compilers = ['g++', 'msvc', 'intelc', 'icc', 'c++']
assemblers = ['gas', 'nasm', 'masm']
fortran_compilers = ['g77', 'ifort', 'ifl', 'fortran']
ars = ['ar', 'mslib']
c_compiler = FindTool(c_compilers, env) or c_compilers[0]
# XXX this logic about what tool provides what should somehow be
# moved into the tool files themselves.
if c_compiler and c_compiler == 'mingw':
# MinGW contains a linker, C compiler, C++ compiler,
# Fortran compiler, archiver and assembler:
cxx_compiler = None
linker = None
assembler = None
fortran_compiler = None
ar = None
else:
# Don't use g++ if the C compiler has built-in C++ support:
if c_compiler in ('msvc', 'intelc', 'icc'):
cxx_compiler = None
else:
cxx_compiler = FindTool(cxx_compilers, env) or cxx_compilers[0]
linker = FindTool(linkers, env) or linkers[0]
assembler = FindTool(assemblers, env) or assemblers[0]
fortran_compiler = FindTool(fortran_compilers, env) or fortran_compilers[0]
ar = FindTool(ars, env) or ars[0]
other_tools = FindAllTools(['BitKeeper', 'CVS',
'dmd',
'dvipdf', 'dvips', 'gs',
'jar', 'javac', 'javah',
'latex', 'lex',
'm4', 'midl', 'msvs',
'pdflatex', 'pdftex', 'Perforce',
'RCS', 'rmic', 'rpcgen',
'SCCS',
# 'Subversion',
'swig',
'tar', 'tex',
'yacc', 'zip'],
env)
tools = ([linker, c_compiler, cxx_compiler,
fortran_compiler, assembler, ar]
+ other_tools)
return filter(lambda x: x, tools)
|