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Diffstat (limited to 'Lib/distutils/emxccompiler.py')
| -rw-r--r-- | Lib/distutils/emxccompiler.py | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/Lib/distutils/emxccompiler.py b/Lib/distutils/emxccompiler.py deleted file mode 100644 index 3675f8df9c..0000000000 --- a/Lib/distutils/emxccompiler.py +++ /dev/null @@ -1,315 +0,0 @@ -"""distutils.emxccompiler - -Provides the EMXCCompiler class, a subclass of UnixCCompiler that -handles the EMX port of the GNU C compiler to OS/2. -""" - -# issues: -# -# * OS/2 insists that DLLs can have names no longer than 8 characters -# We put export_symbols in a def-file, as though the DLL can have -# an arbitrary length name, but truncate the output filename. -# -# * only use OMF objects and use LINK386 as the linker (-Zomf) -# -# * always build for multithreading (-Zmt) as the accompanying OS/2 port -# of Python is only distributed with threads enabled. -# -# tested configurations: -# -# * EMX gcc 2.81/EMX 0.9d fix03 - -import os,sys,copy -from distutils.ccompiler import gen_preprocess_options, gen_lib_options -from distutils.unixccompiler import UnixCCompiler -from distutils.file_util import write_file -from distutils.errors import DistutilsExecError, CompileError, UnknownFileError -from distutils import log - -class EMXCCompiler (UnixCCompiler): - - compiler_type = 'emx' - obj_extension = ".obj" - static_lib_extension = ".lib" - shared_lib_extension = ".dll" - static_lib_format = "%s%s" - shared_lib_format = "%s%s" - res_extension = ".res" # compiled resource file - exe_extension = ".exe" - - def __init__ (self, - verbose=0, - dry_run=0, - force=0): - - UnixCCompiler.__init__ (self, verbose, dry_run, force) - - (status, details) = check_config_h() - self.debug_print("Python's GCC status: %s (details: %s)" % - (status, details)) - if status is not CONFIG_H_OK: - self.warn( - "Python's pyconfig.h doesn't seem to support your compiler. " + - ("Reason: %s." % details) + - "Compiling may fail because of undefined preprocessor macros.") - - (self.gcc_version, self.ld_version) = \ - get_versions() - self.debug_print(self.compiler_type + ": gcc %s, ld %s\n" % - (self.gcc_version, - self.ld_version) ) - - # Hard-code GCC because that's what this is all about. - # XXX optimization, warnings etc. should be customizable. - self.set_executables(compiler='gcc -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall', - compiler_so='gcc -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall', - linker_exe='gcc -Zomf -Zmt -Zcrtdll', - linker_so='gcc -Zomf -Zmt -Zcrtdll -Zdll') - - # want the gcc library statically linked (so that we don't have - # to distribute a version dependent on the compiler we have) - self.dll_libraries=["gcc"] - - # __init__ () - - def _compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts): - if ext == '.rc': - # gcc requires '.rc' compiled to binary ('.res') files !!! - try: - self.spawn(["rc", "-r", src]) - except DistutilsExecError as msg: - raise CompileError(msg) - else: # for other files use the C-compiler - try: - self.spawn(self.compiler_so + cc_args + [src, '-o', obj] + - extra_postargs) - except DistutilsExecError as msg: - raise CompileError(msg) - - def link (self, - target_desc, - objects, - output_filename, - output_dir=None, - libraries=None, - library_dirs=None, - runtime_library_dirs=None, - export_symbols=None, - debug=0, - extra_preargs=None, - extra_postargs=None, - build_temp=None, - target_lang=None): - - # use separate copies, so we can modify the lists - extra_preargs = copy.copy(extra_preargs or []) - libraries = copy.copy(libraries or []) - objects = copy.copy(objects or []) - - # Additional libraries - libraries.extend(self.dll_libraries) - - # handle export symbols by creating a def-file - # with executables this only works with gcc/ld as linker - if ((export_symbols is not None) and - (target_desc != self.EXECUTABLE)): - # (The linker doesn't do anything if output is up-to-date. - # So it would probably better to check if we really need this, - # but for this we had to insert some unchanged parts of - # UnixCCompiler, and this is not what we want.) - - # we want to put some files in the same directory as the - # object files are, build_temp doesn't help much - # where are the object files - temp_dir = os.path.dirname(objects[0]) - # name of dll to give the helper files the same base name - (dll_name, dll_extension) = os.path.splitext( - os.path.basename(output_filename)) - - # generate the filenames for these files - def_file = os.path.join(temp_dir, dll_name + ".def") - - # Generate .def file - contents = [ - "LIBRARY %s INITINSTANCE TERMINSTANCE" % \ - os.path.splitext(os.path.basename(output_filename))[0], - "DATA MULTIPLE NONSHARED", - "EXPORTS"] - for sym in export_symbols: - contents.append(' "%s"' % sym) - self.execute(write_file, (def_file, contents), - "writing %s" % def_file) - - # next add options for def-file and to creating import libraries - # for gcc/ld the def-file is specified as any other object files - objects.append(def_file) - - #end: if ((export_symbols is not None) and - # (target_desc != self.EXECUTABLE or self.linker_dll == "gcc")): - - # who wants symbols and a many times larger output file - # should explicitly switch the debug mode on - # otherwise we let dllwrap/ld strip the output file - # (On my machine: 10KB < stripped_file < ??100KB - # unstripped_file = stripped_file + XXX KB - # ( XXX=254 for a typical python extension)) - if not debug: - extra_preargs.append("-s") - - UnixCCompiler.link(self, - target_desc, - objects, - output_filename, - output_dir, - libraries, - library_dirs, - runtime_library_dirs, - None, # export_symbols, we do this in our def-file - debug, - extra_preargs, - extra_postargs, - build_temp, - target_lang) - - # link () - - # -- Miscellaneous methods ----------------------------------------- - - # override the object_filenames method from CCompiler to - # support rc and res-files - def object_filenames (self, - source_filenames, - strip_dir=0, - output_dir=''): - if output_dir is None: output_dir = '' - obj_names = [] - for src_name in source_filenames: - # use normcase to make sure '.rc' is really '.rc' and not '.RC' - (base, ext) = os.path.splitext (os.path.normcase(src_name)) - if ext not in (self.src_extensions + ['.rc']): - raise UnknownFileError("unknown file type '%s' (from '%s')" % \ - (ext, src_name)) - if strip_dir: - base = os.path.basename (base) - if ext == '.rc': - # these need to be compiled to object files - obj_names.append (os.path.join (output_dir, - base + self.res_extension)) - else: - obj_names.append (os.path.join (output_dir, - base + self.obj_extension)) - return obj_names - - # object_filenames () - - # override the find_library_file method from UnixCCompiler - # to deal with file naming/searching differences - def find_library_file(self, dirs, lib, debug=0): - shortlib = '%s.lib' % lib - longlib = 'lib%s.lib' % lib # this form very rare - - # get EMX's default library directory search path - try: - emx_dirs = os.environ['LIBRARY_PATH'].split(';') - except KeyError: - emx_dirs = [] - - for dir in dirs + emx_dirs: - shortlibp = os.path.join(dir, shortlib) - longlibp = os.path.join(dir, longlib) - if os.path.exists(shortlibp): - return shortlibp - elif os.path.exists(longlibp): - return longlibp - - # Oops, didn't find it in *any* of 'dirs' - return None - -# class EMXCCompiler - - -# Because these compilers aren't configured in Python's pyconfig.h file by -# default, we should at least warn the user if he is using a unmodified -# version. - -CONFIG_H_OK = "ok" -CONFIG_H_NOTOK = "not ok" -CONFIG_H_UNCERTAIN = "uncertain" - -def check_config_h(): - - """Check if the current Python installation (specifically, pyconfig.h) - appears amenable to building extensions with GCC. Returns a tuple - (status, details), where 'status' is one of the following constants: - CONFIG_H_OK - all is well, go ahead and compile - CONFIG_H_NOTOK - doesn't look good - CONFIG_H_UNCERTAIN - not sure -- unable to read pyconfig.h - 'details' is a human-readable string explaining the situation. - - Note there are two ways to conclude "OK": either 'sys.version' contains - the string "GCC" (implying that this Python was built with GCC), or the - installed "pyconfig.h" contains the string "__GNUC__". - """ - - # XXX since this function also checks sys.version, it's not strictly a - # "pyconfig.h" check -- should probably be renamed... - - from distutils import sysconfig - # if sys.version contains GCC then python was compiled with - # GCC, and the pyconfig.h file should be OK - if sys.version.find("GCC") >= 0: - return (CONFIG_H_OK, "sys.version mentions 'GCC'") - - fn = sysconfig.get_config_h_filename() - try: - # It would probably better to read single lines to search. - # But we do this only once, and it is fast enough - f = open(fn) - try: - s = f.read() - finally: - f.close() - - except IOError as exc: - # if we can't read this file, we cannot say it is wrong - # the compiler will complain later about this file as missing - return (CONFIG_H_UNCERTAIN, - "couldn't read '%s': %s" % (fn, exc.strerror)) - - else: - # "pyconfig.h" contains an "#ifdef __GNUC__" or something similar - if s.find("__GNUC__") >= 0: - return (CONFIG_H_OK, "'%s' mentions '__GNUC__'" % fn) - else: - return (CONFIG_H_NOTOK, "'%s' does not mention '__GNUC__'" % fn) - - -def get_versions(): - """ Try to find out the versions of gcc and ld. - If not possible it returns None for it. - """ - from distutils.version import StrictVersion - from distutils.spawn import find_executable - import re - - gcc_exe = find_executable('gcc') - if gcc_exe: - out = os.popen(gcc_exe + ' -dumpversion','r') - try: - out_string = out.read() - finally: - out.close() - result = re.search('(\d+\.\d+\.\d+)', out_string, re.ASCII) - if result: - gcc_version = StrictVersion(result.group(1)) - else: - gcc_version = None - else: - gcc_version = None - # EMX ld has no way of reporting version number, and we use GCC - # anyway - so we can link OMF DLLs - ld_version = None - return (gcc_version, ld_version) |