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Lyle Johnson's interface to Borland C++, with a few editorial comments by me.
Two major points:
* lots of overlap with MSVCCompiler; the common code really should be
factored out into a base class, say WindowsCCompiler
* it doesn't work: weird problem spawning the linker (see comment for
details)
This commit is contained in:
Greg Ward
parent
b0b98a5ee5
commit
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1 changed files with 344 additions and 0 deletions
344
Lib/distutils/bcppcompiler.py
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344
Lib/distutils/bcppcompiler.py
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"""distutils.bcppcompiler
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Contains BorlandCCompiler, an implementation of the abstract CCompiler class
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for the Borland C++ compiler.
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"""
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# This implementation by Lyle Johnson, based on the original msvccompiler.py
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# module and using the directions originally published by Gordon Williams.
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# XXX looks like there's a LOT of overlap between these two classes:
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# someone should sit down and factor out the common code as
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# WindowsCCompiler! --GPW
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# XXX Lyle reports that this doesn't quite work yet:
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# """...but this is what I've got so far. The compile step works fine but
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# when it runs the link step I get an "out of memory" failure. Since
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# spawn() echoes the command it's trying to spawn, I can type the link line
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# verbatim at the DOS prompt and it links the Windows DLL correctly -- so
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# the syntax is correct. There's just some weird interaction going on when
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# it tries to "spawn" the link process from within the setup.py script. I'm
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# not really sure how to debug this one right off-hand; obviously there's
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# nothing wrong with the "spawn()" function since it's working properly for
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# the compile stage."""
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__revision__ = "$Id$"
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import sys, os, string
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from distutils.errors import \
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DistutilsExecError, DistutilsPlatformError, \
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CompileError, LibError, LinkError
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from distutils.ccompiler import \
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CCompiler, gen_preprocess_options, gen_lib_options
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class BCPPCompiler(CCompiler) :
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"""Concrete class that implements an interface to the Borland C/C++
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compiler, as defined by the CCompiler abstract class.
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"""
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compiler_type = 'bcpp'
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# Just set this so CCompiler's constructor doesn't barf. We currently
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# don't use the 'set_executables()' bureaucracy provided by CCompiler,
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# as it really isn't necessary for this sort of single-compiler class.
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# Would be nice to have a consistent interface with UnixCCompiler,
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# though, so it's worth thinking about.
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executables = {}
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# Private class data (need to distinguish C from C++ source for compiler)
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_c_extensions = ['.c']
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_cpp_extensions = ['.cc', '.cpp', '.cxx']
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# Needed for the filename generation methods provided by the
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# base class, CCompiler.
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src_extensions = _c_extensions + _cpp_extensions
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obj_extension = '.obj'
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static_lib_extension = '.lib'
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shared_lib_extension = '.dll'
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static_lib_format = shared_lib_format = '%s%s'
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exe_extension = '.exe'
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def __init__ (self,
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verbose=0,
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dry_run=0,
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force=0):
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CCompiler.__init__ (self, verbose, dry_run, force)
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# These executables are assumed to all be in the path.
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# Borland doesn't seem to use any special registry settings to
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# indicate their installation locations.
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self.cc = "bcc32.exe"
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self.link = "ilink32.exe"
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self.lib = "tlib.exe"
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self.preprocess_options = None
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self.compile_options = ['/tWM', '/O2', '/q']
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self.compile_options_debug = ['/tWM', '/Od', '/q']
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self.ldflags_shared = ['/Tpd', '/Gn', '/q', '/x']
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self.ldflags_shared_debug = ['/Tpd', '/Gn', '/q', '/x']
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self.ldflags_static = []
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# -- Worker methods ------------------------------------------------
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def compile (self,
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sources,
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output_dir=None,
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macros=None,
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include_dirs=None,
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debug=0,
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extra_preargs=None,
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extra_postargs=None):
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(output_dir, macros, include_dirs) = \
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self._fix_compile_args (output_dir, macros, include_dirs)
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(objects, skip_sources) = self._prep_compile (sources, output_dir)
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if extra_postargs is None:
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extra_postargs = []
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pp_opts = gen_preprocess_options (macros, include_dirs)
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compile_opts = extra_preargs or []
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compile_opts.append ('-c')
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if debug:
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compile_opts.extend (self.compile_options_debug)
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else:
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compile_opts.extend (self.compile_options)
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for i in range (len (sources)):
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src = sources[i] ; obj = objects[i]
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ext = (os.path.splitext (src))[1]
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if skip_sources[src]:
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self.announce ("skipping %s (%s up-to-date)" % (src, obj))
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else:
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if ext in self._c_extensions:
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input_opt = ""
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elif ext in self._cpp_extensions:
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input_opt = "-P"
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output_opt = "-o" + obj
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self.mkpath (os.path.dirname (obj))
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# Compiler command line syntax is: "bcc32 [options] file(s)".
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# Note that the source file names must appear at the end of
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# the command line.
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try:
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self.spawn ([self.cc] + compile_opts + pp_opts +
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[input_opt, output_opt] +
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extra_postargs + [src])
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except DistutilsExecError, msg:
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raise CompileError, msg
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return objects
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# compile ()
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def create_static_lib (self,
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objects,
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output_libname,
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output_dir=None,
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debug=0,
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extra_preargs=None,
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extra_postargs=None):
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(objects, output_dir) = self._fix_object_args (objects, output_dir)
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output_filename = \
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self.library_filename (output_libname, output_dir=output_dir)
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if self._need_link (objects, output_filename):
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lib_args = [output_filename, '/u'] + objects
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if debug:
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pass # XXX what goes here?
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if extra_preargs:
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lib_args[:0] = extra_preargs
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if extra_postargs:
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lib_args.extend (extra_postargs)
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try:
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self.spawn ([self.lib] + lib_args)
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except DistutilsExecError, msg:
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raise LibError, msg
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else:
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self.announce ("skipping %s (up-to-date)" % output_filename)
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# create_static_lib ()
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def link_shared_lib (self,
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objects,
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output_libname,
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output_dir=None,
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libraries=None,
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library_dirs=None,
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runtime_library_dirs=None,
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export_symbols=None,
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debug=0,
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extra_preargs=None,
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extra_postargs=None,
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build_temp=None):
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self.link_shared_object (objects,
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self.shared_library_name(output_libname),
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output_dir=output_dir,
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libraries=libraries,
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library_dirs=library_dirs,
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runtime_library_dirs=runtime_library_dirs,
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export_symbols=export_symbols,
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debug=debug,
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extra_preargs=extra_preargs,
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extra_postargs=extra_postargs,
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build_temp=build_temp)
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def link_shared_object (self,
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objects,
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output_filename,
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output_dir=None,
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libraries=None,
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library_dirs=None,
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runtime_library_dirs=None,
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export_symbols=None,
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debug=0,
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extra_preargs=None,
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extra_postargs=None,
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build_temp=None):
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(objects, output_dir) = self._fix_object_args (objects, output_dir)
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(libraries, library_dirs, runtime_library_dirs) = \
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self._fix_lib_args (libraries, library_dirs, runtime_library_dirs)
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if runtime_library_dirs:
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self.warn ("I don't know what to do with 'runtime_library_dirs': "
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+ str (runtime_library_dirs))
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if output_dir is not None:
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output_filename = os.path.join (output_dir, output_filename)
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if self._need_link (objects, output_filename):
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if debug:
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ldflags = self.ldflags_shared_debug
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else:
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ldflags = self.ldflags_shared
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startup_obj = 'c0d32'
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libraries.append ('mypylib')
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libraries.append ('import32')
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libraries.append ('cw32mt')
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# Create a temporary exports file for use by the linker
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head, tail = os.path.split (output_filename)
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modname, ext = os.path.splitext (tail)
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def_file = os.path.join (build_temp, '%s.def' % modname)
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f = open (def_file, 'w')
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f.write ('EXPORTS\n')
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for sym in (export_symbols or []):
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f.write (' %s=_%s\n' % (sym, sym))
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ld_args = ldflags + [startup_obj] + objects + \
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[',%s,,' % output_filename] + \
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libraries + [',' + def_file]
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if extra_preargs:
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ld_args[:0] = extra_preargs
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if extra_postargs:
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ld_args.extend (extra_postargs)
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self.mkpath (os.path.dirname (output_filename))
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try:
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self.spawn ([self.link] + ld_args)
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except DistutilsExecError, msg:
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raise LinkError, msg
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else:
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self.announce ("skipping %s (up-to-date)" % output_filename)
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# link_shared_object ()
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def link_executable (self,
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objects,
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output_progname,
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output_dir=None,
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libraries=None,
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library_dirs=None,
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runtime_library_dirs=None,
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debug=0,
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extra_preargs=None,
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extra_postargs=None):
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(objects, output_dir) = self._fix_object_args (objects, output_dir)
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(libraries, library_dirs, runtime_library_dirs) = \
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self._fix_lib_args (libraries, library_dirs, runtime_library_dirs)
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if runtime_library_dirs:
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self.warn ("I don't know what to do with 'runtime_library_dirs': "
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+ str (runtime_library_dirs))
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lib_opts = gen_lib_options (self,
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library_dirs, runtime_library_dirs,
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libraries)
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output_filename = output_progname + self.exe_extension
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if output_dir is not None:
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output_filename = os.path.join (output_dir, output_filename)
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if self._need_link (objects, output_filename):
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if debug:
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ldflags = self.ldflags_shared_debug[1:]
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else:
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ldflags = self.ldflags_shared[1:]
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ld_args = ldflags + lib_opts + \
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objects + ['/OUT:' + output_filename]
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if extra_preargs:
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ld_args[:0] = extra_preargs
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if extra_postargs:
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ld_args.extend (extra_postargs)
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self.mkpath (os.path.dirname (output_filename))
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try:
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self.spawn ([self.link] + ld_args)
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except DistutilsExecError, msg:
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raise LinkError, msg
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else:
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self.announce ("skipping %s (up-to-date)" % output_filename)
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# -- Miscellaneous methods -----------------------------------------
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# These are all used by the 'gen_lib_options() function, in
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# ccompiler.py.
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def library_dir_option (self, dir):
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return "-L" + dir
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def runtime_library_dir_option (self, dir):
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raise DistutilsPlatformError, \
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"don't know how to set runtime library search path for MSVC++"
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def library_option (self, lib):
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return self.library_filename (lib)
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def find_library_file (self, dirs, lib):
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for dir in dirs:
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libfile = os.path.join (dir, self.library_filename (lib))
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if os.path.exists (libfile):
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return libfile
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else:
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# Oops, didn't find it in *any* of 'dirs'
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return None
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