git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19793 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			239 lines
		
	
	
		
			8.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			239 lines
		
	
	
		
			8.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""distutils.command.build_clib
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Implements the Distutils 'build_clib' command, to build a C/C++ library
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that is included in the module distribution and needed by an extension
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module."""
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# This module should be kept compatible with Python 1.5.2.
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__revision__ = "$Id$"
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# XXX this module has *lots* of code ripped-off quite transparently from
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# build_ext.py -- not surprisingly really, as the work required to build
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# a static library from a collection of C source files is not really all
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# that different from what's required to build a shared object file from
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# a collection of C source files.  Nevertheless, I haven't done the
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# necessary refactoring to account for the overlap in code between the
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# two modules, mainly because a number of subtle details changed in the
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# cut 'n paste.  Sigh.
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import os, string
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from types import *
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from distutils.core import Command
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from distutils.errors import *
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from distutils.sysconfig import customize_compiler
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from distutils import log
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def show_compilers ():
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    from distutils.ccompiler import show_compilers
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    show_compilers()
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class build_clib (Command):
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    description = "build C/C++ libraries used by Python extensions"
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    user_options = [
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        ('build-clib', 'b',
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         "directory to build C/C++ libraries to"),
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        ('build-temp', 't',
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         "directory to put temporary build by-products"),
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        ('debug', 'g',
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         "compile with debugging information"),
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        ('force', 'f',
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         "forcibly build everything (ignore file timestamps)"),
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        ('compiler=', 'c',
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         "specify the compiler type"),
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        ]
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    boolean_options = ['debug', 'force']
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    help_options = [
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        ('help-compiler', None,
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         "list available compilers", show_compilers),
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        ]
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    def initialize_options (self):
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        self.build_clib = None
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        self.build_temp = None
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        # List of libraries to build
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        self.libraries = None
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        # Compilation options for all libraries
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        self.include_dirs = None
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        self.define = None
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        self.undef = None
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        self.debug = None
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        self.force = 0
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        self.compiler = None
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    # initialize_options()
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    def finalize_options (self):
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        # This might be confusing: both build-clib and build-temp default
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        # to build-temp as defined by the "build" command.  This is because
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        # I think that C libraries are really just temporary build
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        # by-products, at least from the point of view of building Python
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        # extensions -- but I want to keep my options open.
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        self.set_undefined_options('build',
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                                   ('build_temp', 'build_clib'),
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                                   ('build_temp', 'build_temp'),
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                                   ('compiler', 'compiler'),
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                                   ('debug', 'debug'),
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                                   ('force', 'force'))
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        self.libraries = self.distribution.libraries
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        if self.libraries:
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            self.check_library_list(self.libraries)
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        if self.include_dirs is None:
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            self.include_dirs = self.distribution.include_dirs or []
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        if type(self.include_dirs) is StringType:
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            self.include_dirs = string.split(self.include_dirs,
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                                             os.pathsep)
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        # XXX same as for build_ext -- what about 'self.define' and
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        # 'self.undef' ?
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    # finalize_options()
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    def run (self):
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        if not self.libraries:
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            return
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        # Yech -- this is cut 'n pasted from build_ext.py!
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        from distutils.ccompiler import new_compiler
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        self.compiler = new_compiler(compiler=self.compiler,
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                                     dry_run=self.dry_run,
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                                     force=self.force)
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        customize_compiler(self.compiler)
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        if self.include_dirs is not None:
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            self.compiler.set_include_dirs(self.include_dirs)
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        if self.define is not None:
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            # 'define' option is a list of (name,value) tuples
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            for (name,value) in self.define:
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                self.compiler.define_macro(name, value)
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        if self.undef is not None:
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            for macro in self.undef:
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                self.compiler.undefine_macro(macro)
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        self.build_libraries(self.libraries)
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    # run()
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    def check_library_list (self, libraries):
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        """Ensure that the list of libraries (presumably provided as a
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           command option 'libraries') is valid, i.e. it is a list of
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           2-tuples, where the tuples are (library_name, build_info_dict).
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           Raise DistutilsSetupError if the structure is invalid anywhere;
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           just returns otherwise."""
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        # Yechh, blecch, ackk: this is ripped straight out of build_ext.py,
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        # with only names changed to protect the innocent!
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        if type(libraries) is not ListType:
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            raise DistutilsSetupError, \
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                  "'libraries' option must be a list of tuples"
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        for lib in libraries:
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            if type(lib) is not TupleType and len(lib) != 2:
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                raise DistutilsSetupError, \
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                      "each element of 'libraries' must a 2-tuple"
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            if type(lib[0]) is not StringType:
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                raise DistutilsSetupError, \
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                      "first element of each tuple in 'libraries' " + \
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                      "must be a string (the library name)"
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            if '/' in lib[0] or (os.sep != '/' and os.sep in lib[0]):
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                raise DistutilsSetupError, \
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                      ("bad library name '%s': " +
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                       "may not contain directory separators") % \
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                      lib[0]
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            if type(lib[1]) is not DictionaryType:
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                raise DistutilsSetupError, \
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                      "second element of each tuple in 'libraries' " + \
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                      "must be a dictionary (build info)"
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        # for lib
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    # check_library_list ()
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    def get_library_names (self):
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        # Assume the library list is valid -- 'check_library_list()' is
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        # called from 'finalize_options()', so it should be!
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        if not self.libraries:
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            return None
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        lib_names = []
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        for (lib_name, build_info) in self.libraries:
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            lib_names.append(lib_name)
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        return lib_names
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    # get_library_names ()
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    def get_source_files (self):
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        self.check_library_list(self.libraries)
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        filenames = []
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        for (lib_name, build_info) in self.libraries:
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            sources = build_info.get('sources')
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            if (sources is None or
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                type(sources) not in (ListType, TupleType) ):
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                raise DistutilsSetupError, \
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                      ("in 'libraries' option (library '%s'), "
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                       "'sources' must be present and must be "
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                       "a list of source filenames") % lib_name
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            filenames.extend(sources)
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        return filenames
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    # get_source_files ()
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    def build_libraries (self, libraries):
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        for (lib_name, build_info) in libraries:
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            sources = build_info.get('sources')
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            if sources is None or type(sources) not in (ListType, TupleType):
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                raise DistutilsSetupError, \
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                      ("in 'libraries' option (library '%s'), " +
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                       "'sources' must be present and must be " +
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                       "a list of source filenames") % lib_name
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            sources = list(sources)
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            log.info("building '%s' library", lib_name)
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            # First, compile the source code to object files in the library
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            # directory.  (This should probably change to putting object
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            # files in a temporary build directory.)
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            macros = build_info.get('macros')
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            include_dirs = build_info.get('include_dirs')
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            objects = self.compiler.compile(sources,
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                                            output_dir=self.build_temp,
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                                            macros=macros,
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                                            include_dirs=include_dirs,
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                                            debug=self.debug)
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            # Now "link" the object files together into a static library.
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            # (On Unix at least, this isn't really linking -- it just
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            # builds an archive.  Whatever.)
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            self.compiler.create_static_lib(objects, lib_name,
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                                            output_dir=self.build_clib,
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                                            debug=self.debug)
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        # for libraries
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    # build_libraries ()
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# class build_lib
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