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|
"""distutils.command.build_lib
Implements the Distutils 'build_lib' command, to build a C/C++ library
that is included in the module distribution and needed by an extension
module."""
# created (an empty husk) 1999/12/18, Greg Ward
# fleshed out 2000/02/03-04
__rcsid__ = "$Id$"
# XXX this module has *lots* of code ripped-off quite transparently from
# build_ext.py -- not surprisingly really, as the work required to build
# a static library from a collection of C source files is not really all
# that different from what's required to build a shared object file from
# a collection of C source files. Nevertheless, I haven't done the
# necessary refactoring to account for the overlap in code between the
# two modules, mainly because a number of subtle details changed in the
# cut 'n paste. Sigh.
import os, string
from types import *
from distutils.core import Command
from distutils.errors import *
from distutils.ccompiler import new_compiler
class build_lib (Command):
user_options = [
('debug', 'g',
"compile with debugging information"),
]
def set_default_options (self):
# List of libraries to build
self.libraries = None
# Compilation options for all libraries
self.include_dirs = None
self.define = None
self.undef = None
self.debug = None
# set_default_options()
def set_final_options (self):
self.set_undefined_options ('build',
('debug', 'debug'))
self.libraries = self.distribution.libraries
if self.include_dirs is None:
self.include_dirs = self.distribution.include_dirs or []
if type (self.include_dirs) is StringType:
self.include_dirs = string.split (self.include_dirs,
os.pathsep)
# XXX same as for build_ext -- what about 'self.define' and
# 'self.undef' ?
# set_final_options()
def run (self):
if not self.libraries:
return
self.check_library_list (self.libraries)
# Yech -- this is cut 'n pasted from build_ext.py!
self.compiler = new_compiler (plat=os.environ.get ('PLAT'),
verbose=self.verbose,
dry_run=self.dry_run,
force=self.force)
if self.include_dirs is not None:
self.compiler.set_include_dirs (self.include_dirs)
if self.define is not None:
# 'define' option is a list of (name,value) tuples
for (name,value) in self.define:
self.compiler.define_macro (name, value)
if self.undef is not None:
for macro in self.undef:
self.compiler.undefine_macro (macro)
self.build_libraries (self.libraries)
# run()
def check_library_list (self, libraries):
"""Ensure that the list of libraries (presumably provided as a
command option 'libraries') is valid, i.e. it is a list of
2-tuples, where the tuples are (library_name, build_info_dict).
Raise DistutilsValueError if the structure is invalid anywhere;
just returns otherwise."""
# Yechh, blecch, ackk: this is ripped straight out of build_ext.py,
# with only names changed to protect the innocent!
if type (libraries) is not ListType:
raise DistutilsValueError, \
"'libraries' option must be a list of tuples"
for lib in libraries:
if type (lib) is not TupleType and len (lib) != 2:
raise DistutilsValueError, \
"each element of 'libraries' must a 2-tuple"
if type (lib[0]) is not StringType:
raise DistutilsValueError, \
"first element of each tuple in 'libraries' " + \
"must be a string (the library name)"
if type (lib[1]) is not DictionaryType:
raise DistutilsValueError, \
"second element of each tuple in 'libraries' " + \
"must be a dictionary (build info)"
# for lib
# check_library_list ()
def build_libraries (self, libraries):
compiler = self.compiler
for (lib_name, build_info) in libraries:
sources = build_info.get ('sources')
if sources is None or type (sources) not in (ListType, TupleType):
raise DistutilsValueError, \
("in 'libraries' option (library '%s'), " +
"'sources' must be present and must be " +
"a list of source filenames") % lib_name
sources = list (sources)
self.announce ("building '%s' library" % lib_name)
# Extract the directory the library is intended to go in --
# note translation from "universal" slash-separated form to
# current platform's pathname convention (so we can use the
# string for actual filesystem use).
path = tuple (string.split (lib_name, '/')[:-1])
if path:
lib_dir = apply (os.path.join, path)
else:
lib_dir = ''
# First, compile the source code to object files in the library
# directory. (This should probably change to putting object
# files in a temporary build directory.)
macros = build_info.get ('macros')
include_dirs = build_info.get ('include_dirs')
objects = self.compiler.compile (sources,
macros=macros,
include_dirs=include_dirs,
output_dir=lib_dir,
debug=self.debug)
# Now "link" the object files together into a static library.
# (On Unix at least, this isn't really linking -- it just
# builds an archive. Whatever.)
self.compiler.link_static_lib (objects, lib_name, debug=self.debug)
# for libraries
# build_libraries ()
# class BuildLib
|
