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1 """distutils.bcppcompiler
2
3 Contains BorlandCCompiler, an implementation of the abstract CCompiler class
4 for the Borland C++ compiler.
5 """
6
7 # This implementation by Lyle Johnson, based on the original msvccompiler.py
8 # module and using the directions originally published by Gordon Williams.
9
10 # XXX looks like there's a LOT of overlap between these two classes:
11 # someone should sit down and factor out the common code as
12 # WindowsCCompiler! --GPW
13
14 # This module should be kept compatible with Python 1.5.2.
15
16 __revision__ = "$Id$"
17
18
19 import sys, os
20 from distutils.errors import \
21 DistutilsExecError, DistutilsPlatformError, \
22 CompileError, LibError, LinkError, UnknownFileError
23 from distutils.ccompiler import \
24 CCompiler, gen_preprocess_options, gen_lib_options
25 from distutils.file_util import write_file
26 from distutils.dep_util import newer
27 from distutils import log
28
29 class BCPPCompiler(CCompiler) :
30 """Concrete class that implements an interface to the Borland C/C++
31 compiler, as defined by the CCompiler abstract class.
32 """
33
34 compiler_type = 'bcpp'
35
36 # Just set this so CCompiler's constructor doesn't barf. We currently
37 # don't use the 'set_executables()' bureaucracy provided by CCompiler,
38 # as it really isn't necessary for this sort of single-compiler class.
39 # Would be nice to have a consistent interface with UnixCCompiler,
40 # though, so it's worth thinking about.
41 executables = {}
42
43 # Private class data (need to distinguish C from C++ source for compiler)
44 _c_extensions = ['.c']
45 _cpp_extensions = ['.cc', '.cpp', '.cxx']
46
47 # Needed for the filename generation methods provided by the
48 # base class, CCompiler.
49 src_extensions = _c_extensions + _cpp_extensions
50 obj_extension = '.obj'
51 static_lib_extension = '.lib'
52 shared_lib_extension = '.dll'
53 static_lib_format = shared_lib_format = '%s%s'
54 exe_extension = '.exe'
55
56
57 def __init__ (self,
58 verbose=0,
59 dry_run=0,
60 force=0):
61
62 CCompiler.__init__ (self, verbose, dry_run, force)
63
64 # These executables are assumed to all be in the path.
65 # Borland doesn't seem to use any special registry settings to
66 # indicate their installation locations.
67
68 self.cc = "bcc32.exe"
69 self.linker = "ilink32.exe"
70 self.lib = "tlib.exe"
71
72 self.preprocess_options = None
73 self.compile_options = ['/tWM', '/O2', '/q', '/g0']
74 self.compile_options_debug = ['/tWM', '/Od', '/q', '/g0']
75
76 self.ldflags_shared = ['/Tpd', '/Gn', '/q', '/x']
77 self.ldflags_shared_debug = ['/Tpd', '/Gn', '/q', '/x']
78 self.ldflags_static = []
79 self.ldflags_exe = ['/Gn', '/q', '/x']
80 self.ldflags_exe_debug = ['/Gn', '/q', '/x','/r']
81
82
83 # -- Worker methods ------------------------------------------------
84
85 def compile(self, sources,
86 output_dir=None, macros=None, include_dirs=None, debug=0,
87 extra_preargs=None, extra_postargs=None, depends=None):
88
89 macros, objects, extra_postargs, pp_opts, build = \
90 self._setup_compile(output_dir, macros, include_dirs, sources,
91 depends, extra_postargs)
92 compile_opts = extra_preargs or []
93 compile_opts.append ('-c')
94 if debug:
95 compile_opts.extend (self.compile_options_debug)
96 else:
97 compile_opts.extend (self.compile_options)
98
99 for obj, (src, ext) in build.items():
100 # XXX why do the normpath here?
101 src = os.path.normpath(src)
102 obj = os.path.normpath(obj)
103 # XXX _setup_compile() did a mkpath() too but before the normpath.
104 # Is it possible to skip the normpath?
105 self.mkpath(os.path.dirname(obj))
106
107 if ext == '.res':
108 # This is already a binary file -- skip it.
109 continue # the 'for' loop
110 if ext == '.rc':
111 # This needs to be compiled to a .res file -- do it now.
112 try:
113 self.spawn (["brcc32", "-fo", obj, src])
114 except DistutilsExecError, msg:
115 raise CompileError, msg
116 continue # the 'for' loop
117
118 # The next two are both for the real compiler.
119 if ext in self._c_extensions:
120 input_opt = ""
121 elif ext in self._cpp_extensions:
122 input_opt = "-P"
123 else:
124 # Unknown file type -- no extra options. The compiler
125 # will probably fail, but let it just in case this is a
126 # file the compiler recognizes even if we don't.
127 input_opt = ""
128
129 output_opt = "-o" + obj
130
131 # Compiler command line syntax is: "bcc32 [options] file(s)".
132 # Note that the source file names must appear at the end of
133 # the command line.
134 try:
135 self.spawn ([self.cc] + compile_opts + pp_opts +
136 [input_opt, output_opt] +
137 extra_postargs + [src])
138 except DistutilsExecError, msg:
139 raise CompileError, msg
140
141 return objects
142
143 # compile ()
144
145
146 def create_static_lib (self,
147 objects,
148 output_libname,
149 output_dir=None,
150 debug=0,
151 target_lang=None):
152
153 (objects, output_dir) = self._fix_object_args (objects, output_dir)
154 output_filename = \
155 self.library_filename (output_libname, output_dir=output_dir)
156
157 if self._need_link (objects, output_filename):
158 lib_args = [output_filename, '/u'] + objects
159 if debug:
160 pass # XXX what goes here?
161 try:
162 self.spawn ([self.lib] + lib_args)
163 except DistutilsExecError, msg:
164 raise LibError, msg
165 else:
166 log.debug("skipping %s (up-to-date)", output_filename)
167
168 # create_static_lib ()
169
170
171 def link (self,
172 target_desc,
173 objects,
174 output_filename,
175 output_dir=None,
176 libraries=None,
177 library_dirs=None,
178 runtime_library_dirs=None,
179 export_symbols=None,
180 debug=0,
181 extra_preargs=None,
182 extra_postargs=None,
183 build_temp=None,
184 target_lang=None):
185
186 # XXX this ignores 'build_temp'! should follow the lead of
187 # msvccompiler.py
188
189 (objects, output_dir) = self._fix_object_args (objects, output_dir)
190 (libraries, library_dirs, runtime_library_dirs) = \
191 self._fix_lib_args (libraries, library_dirs, runtime_library_dirs)
192
193 if runtime_library_dirs:
194 log.warn("I don't know what to do with 'runtime_library_dirs': %s",
195 str(runtime_library_dirs))
196
197 if output_dir is not None:
198 output_filename = os.path.join (output_dir, output_filename)
199
200 if self._need_link (objects, output_filename):
201
202 # Figure out linker args based on type of target.
203 if target_desc == CCompiler.EXECUTABLE:
204 startup_obj = 'c0w32'
205 if debug:
206 ld_args = self.ldflags_exe_debug[:]
207 else:
208 ld_args = self.ldflags_exe[:]
209 else:
210 startup_obj = 'c0d32'
211 if debug:
212 ld_args = self.ldflags_shared_debug[:]
213 else:
214 ld_args = self.ldflags_shared[:]
215
216
217 # Create a temporary exports file for use by the linker
218 if export_symbols is None:
219 def_file = ''
220 else:
221 head, tail = os.path.split (output_filename)
222 modname, ext = os.path.splitext (tail)
223 temp_dir = os.path.dirname(objects[0]) # preserve tree structure
224 def_file = os.path.join (temp_dir, '%s.def' % modname)
225 contents = ['EXPORTS']
226 for sym in (export_symbols or []):
227 contents.append(' %s=_%s' % (sym, sym))
228 self.execute(write_file, (def_file, contents),
229 "writing %s" % def_file)
230
231 # Borland C++ has problems with '/' in paths
232 objects2 = map(os.path.normpath, objects)
233 # split objects in .obj and .res files
234 # Borland C++ needs them at different positions in the command line
235 objects = [startup_obj]
236 resources = []
237 for file in objects2:
238 (base, ext) = os.path.splitext(os.path.normcase(file))
239 if ext == '.res':
240 resources.append(file)
241 else:
242 objects.append(file)
243
244
245 for l in library_dirs:
246 ld_args.append("/L%s" % os.path.normpath(l))
247 ld_args.append("/L.") # we sometimes use relative paths
248
249 # list of object files
250 ld_args.extend(objects)
251
252 # XXX the command-line syntax for Borland C++ is a bit wonky;
253 # certain filenames are jammed together in one big string, but
254 # comma-delimited. This doesn't mesh too well with the
255 # Unix-centric attitude (with a DOS/Windows quoting hack) of
256 # 'spawn()', so constructing the argument list is a bit
257 # awkward. Note that doing the obvious thing and jamming all
258 # the filenames and commas into one argument would be wrong,
259 # because 'spawn()' would quote any filenames with spaces in
260 # them. Arghghh!. Apparently it works fine as coded...
261
262 # name of dll/exe file
263 ld_args.extend([',',output_filename])
264 # no map file and start libraries
265 ld_args.append(',,')
266
267 for lib in libraries:
268 # see if we find it and if there is a bcpp specific lib
269 # (xxx_bcpp.lib)
270 libfile = self.find_library_file(library_dirs, lib, debug)
271 if libfile is None:
272 ld_args.append(lib)
273 # probably a BCPP internal library -- don't warn
274 else:
275 # full name which prefers bcpp_xxx.lib over xxx.lib
276 ld_args.append(libfile)
277
278 # some default libraries
279 ld_args.append ('import32')
280 ld_args.append ('cw32mt')
281
282 # def file for export symbols
283 ld_args.extend([',',def_file])
284 # add resource files
285 ld_args.append(',')
286 ld_args.extend(resources)
287
288
289 if extra_preargs:
290 ld_args[:0] = extra_preargs
291 if extra_postargs:
292 ld_args.extend(extra_postargs)
293
294 self.mkpath (os.path.dirname (output_filename))
295 try:
296 self.spawn ([self.linker] + ld_args)
297 except DistutilsExecError, msg:
298 raise LinkError, msg
299
300 else:
301 log.debug("skipping %s (up-to-date)", output_filename)
302
303 # link ()
304
305 # -- Miscellaneous methods -----------------------------------------
306
307
308 def find_library_file (self, dirs, lib, debug=0):
309 # List of effective library names to try, in order of preference:
310 # xxx_bcpp.lib is better than xxx.lib
311 # and xxx_d.lib is better than xxx.lib if debug is set
312 #
313 # The "_bcpp" suffix is to handle a Python installation for people
314 # with multiple compilers (primarily Distutils hackers, I suspect
315 # ;-). The idea is they'd have one static library for each
316 # compiler they care about, since (almost?) every Windows compiler
317 # seems to have a different format for static libraries.
318 if debug:
319 dlib = (lib + "_d")
320 try_names = (dlib + "_bcpp", lib + "_bcpp", dlib, lib)
321 else:
322 try_names = (lib + "_bcpp", lib)
323
324 for dir in dirs:
325 for name in try_names:
326 libfile = os.path.join(dir, self.library_filename(name))
327 if os.path.exists(libfile):
328 return libfile
329 else:
330 # Oops, didn't find it in *any* of 'dirs'
331 return None
332
333 # overwrite the one from CCompiler to support rc and res-files
334 def object_filenames (self,
335 source_filenames,
336 strip_dir=0,
337 output_dir=''):
338 if output_dir is None: output_dir = ''
339 obj_names = []
340 for src_name in source_filenames:
341 # use normcase to make sure '.rc' is really '.rc' and not '.RC'
342 (base, ext) = os.path.splitext (os.path.normcase(src_name))
343 if ext not in (self.src_extensions + ['.rc','.res']):
344 raise UnknownFileError, \
345 "unknown file type '%s' (from '%s')" % \
346 (ext, src_name)
347 if strip_dir:
348 base = os.path.basename (base)
349 if ext == '.res':
350 # these can go unchanged
351 obj_names.append (os.path.join (output_dir, base + ext))
352 elif ext == '.rc':
353 # these need to be compiled to .res-files
354 obj_names.append (os.path.join (output_dir, base + '.res'))
355 else:
356 obj_names.append (os.path.join (output_dir,
357 base + self.obj_extension))
358 return obj_names
359
360 # object_filenames ()
361
362 def preprocess (self,
363 source,
364 output_file=None,
365 macros=None,
366 include_dirs=None,
367 extra_preargs=None,
368 extra_postargs=None):
369
370 (_, macros, include_dirs) = \
371 self._fix_compile_args(None, macros, include_dirs)
372 pp_opts = gen_preprocess_options(macros, include_dirs)
373 pp_args = ['cpp32.exe'] + pp_opts
374 if output_file is not None:
375 pp_args.append('-o' + output_file)
376 if extra_preargs:
377 pp_args[:0] = extra_preargs
378 if extra_postargs:
379 pp_args.extend(extra_postargs)
380 pp_args.append(source)
381
382 # We need to preprocess: either we're being forced to, or the
383 # source file is newer than the target (or the target doesn't
384 # exist).
385 if self.force or output_file is None or newer(source, output_file):
386 if output_file:
387 self.mkpath(os.path.dirname(output_file))
388 try:
389 self.spawn(pp_args)
390 except DistutilsExecError, msg:
391 print msg
392 raise CompileError, msg
393
394 # preprocess()