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Diffstat (limited to 'lib/python2.7/distutils/cygwinccompiler.py')
| -rw-r--r-- | lib/python2.7/distutils/cygwinccompiler.py | 484 |
1 files changed, 0 insertions, 484 deletions
diff --git a/lib/python2.7/distutils/cygwinccompiler.py b/lib/python2.7/distutils/cygwinccompiler.py deleted file mode 100644 index 3dd7f4d..0000000 --- a/lib/python2.7/distutils/cygwinccompiler.py +++ /dev/null @@ -1,484 +0,0 @@ -"""distutils.cygwinccompiler - -Provides the CygwinCCompiler class, a subclass of UnixCCompiler that -handles the Cygwin port of the GNU C compiler to Windows. It also contains -the Mingw32CCompiler class which handles the mingw32 port of GCC (same as -cygwin in no-cygwin mode). -""" - -# problems: -# -# * if you use a msvc compiled python version (1.5.2) -# 1. you have to insert a __GNUC__ section in its config.h -# 2. you have to generate a import library for its dll -# - create a def-file for python??.dll -# - create a import library using -# dlltool --dllname python15.dll --def python15.def \ -# --output-lib libpython15.a -# -# see also http://starship.python.net/crew/kernr/mingw32/Notes.html -# -# * We put export_symbols in a def-file, and don't use -# --export-all-symbols because it doesn't worked reliable in some -# tested configurations. And because other windows compilers also -# need their symbols specified this no serious problem. -# -# tested configurations: -# -# * cygwin gcc 2.91.57/ld 2.9.4/dllwrap 0.2.4 works -# (after patching python's config.h and for C++ some other include files) -# see also http://starship.python.net/crew/kernr/mingw32/Notes.html -# * mingw32 gcc 2.95.2/ld 2.9.4/dllwrap 0.2.4 works -# (ld doesn't support -shared, so we use dllwrap) -# * cygwin gcc 2.95.2/ld 2.10.90/dllwrap 2.10.90 works now -# - its dllwrap doesn't work, there is a bug in binutils 2.10.90 -# see also http://sources.redhat.com/ml/cygwin/2000-06/msg01274.html -# - using gcc -mdll instead dllwrap doesn't work without -static because -# it tries to link against dlls instead their import libraries. (If -# it finds the dll first.) -# By specifying -static we force ld to link against the import libraries, -# this is windows standard and there are normally not the necessary symbols -# in the dlls. -# *** only the version of June 2000 shows these problems -# * cygwin gcc 3.2/ld 2.13.90 works -# (ld supports -shared) -# * mingw gcc 3.2/ld 2.13 works -# (ld supports -shared) - -# This module should be kept compatible with Python 2.1. - -__revision__ = "$Id$" - -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 - -def get_msvcr(): - """Include the appropriate MSVC runtime library if Python was built - with MSVC 7.0 or later. - """ - # FIXME: next code is from issue870382 - # MS C-runtime libraries never support backward compatibility. - # Linking to a different library without to specify correct runtime - # version for the headers will link renamed functions to msvcrt. - # See issue3308: this piece of code is python problem even - # with correct w32api headers. - # Issue: for MSVC compiler we can get the version and from version - # to determine mcvcrt as code below. But what about if python is - # build with GCC compiler? - # Output of sys.version is information for python build on first - # line, on the next line is information for the compiler and the - # output lack information for the C-runtime. - msc_pos = sys.version.find('MSC v.') - if msc_pos != -1: - msc_ver = sys.version[msc_pos+6:msc_pos+10] - if msc_ver == '1300': - # MSVC 7.0 - return ['msvcr70'] - elif msc_ver == '1310': - # MSVC 7.1 - return ['msvcr71'] - elif msc_ver == '1400': - # VS2005 / MSVC 8.0 - return ['msvcr80'] - elif msc_ver == '1500': - # VS2008 / MSVC 9.0 - return ['msvcr90'] - else: - raise ValueError("Unknown MS Compiler version %s " % msc_ver) - else: - return [] - - -class CygwinCCompiler (UnixCCompiler): - - compiler_type = 'cygwin' - obj_extension = ".o" - static_lib_extension = ".a" - shared_lib_extension = ".dll" - # FIXME: dylib_... = ".dll.a" is not enought for binutils - # loader on win32 platform !!! - dylib_lib_extension = ".dll.a" - static_lib_format = "lib%s%s" - shared_lib_format = "%s%s" - 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. " - "Compiling may fail because of undefined preprocessor macros." - % details) - - # Next line of code is problem for cross-compiled enviroment: - # NOTE: GCC cross-compiler is prefixed by the <hostarch>-<hostos>- - # and by default binaries are installed in same directory - # as native compiler. - self.gcc_version, self.ld_version, self.dllwrap_version = \ - get_versions() - self.debug_print(self.compiler_type + ": gcc %s, ld %s, dllwrap %s\n" % - (self.gcc_version, - self.ld_version, - self.dllwrap_version) ) - - # ld_version >= "2.10.90" and < "2.13" should also be able to use - # gcc -mdll instead of dllwrap - # Older dllwraps had own version numbers, newer ones use the - # same as the rest of binutils ( also ld ) - # dllwrap 2.10.90 is buggy - if self.ld_version >= "2.10.90": - self.linker_dll = "gcc" - else: - self.linker_dll = "dllwrap" - - # ld_version >= "2.13" support -shared so use it instead of - # -mdll -static - if self.ld_version >= "2.13": - shared_option = "-shared" - else: - shared_option = "-mdll -static" - - # FIXME: - # Hard-code may override unix-compiler settings and isn't - # possible to use Makefile variables to pass correct flags ! - # Hard-code GCC because that's what this is all about. - # XXX optimization, warnings etc. should be customizable. - self.set_executables(compiler='gcc -mcygwin -O -Wall', - compiler_so='gcc -mcygwin -mdll -O -Wall', - compiler_cxx='g++ -mcygwin -O -Wall', - linker_exe='gcc -mcygwin', - linker_so=('%s -mcygwin %s' % - (self.linker_dll, shared_option))) - - # cygwin and mingw32 need different sets of libraries - if self.gcc_version == "2.91.57": - # cygwin shouldn't need msvcrt, but without the dlls will crash - # (gcc version 2.91.57) -- perhaps something about initialization - self.dll_libraries=["msvcrt"] - self.warn( - "Consider upgrading to a newer version of gcc") - else: - # Include the appropriate MSVC runtime library if Python was built - # with MSVC 7.0 or later. - self.dll_libraries = get_msvcr() - - # __init__ () - - - def _compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts): - if ext == '.rc' or ext == '.res': - # gcc needs '.res' and '.rc' compiled to object files !!! - try: - self.spawn(["windres", "-i", src, "-o", obj]) - except DistutilsExecError, 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, 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 or self.linker_dll == "gcc")): - # (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") - lib_file = os.path.join(temp_dir, 'lib' + dll_name + ".a") - - # Generate .def file - contents = [ - "LIBRARY %s" % os.path.basename(output_filename), - "EXPORTS"] - for sym in export_symbols: - contents.append(sym) - self.execute(write_file, (def_file, contents), - "writing %s" % def_file) - - # next add options for def-file and to creating import libraries - - # dllwrap uses different options than gcc/ld - if self.linker_dll == "dllwrap": - extra_preargs.extend(["--output-lib", lib_file]) - # for dllwrap we have to use a special option - extra_preargs.extend(["--def", def_file]) - # we use gcc/ld here and can be sure ld is >= 2.9.10 - else: - # doesn't work: bfd_close build\...\libfoo.a: Invalid operation - #extra_preargs.extend(["-Wl,--out-implib,%s" % lib_file]) - # for gcc/ld the def-file is specified as any 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 ----------------------------------------- - - # overwrite the one 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: - # FIXME: "bogus checks for suffix" - as example the commented - # by #BOGUS# code break valid assembler suffix ".S" ! - #BOGUS## use normcase to make sure '.rc' is really '.rc' and not '.RC' - #BOGUS#base, ext = os.path.splitext(os.path.normcase(src_name)) - base, ext = os.path.splitext (src_name) - ext_normcase = os.path.normcase(ext) - if ext_normcase in ['.rc','.res']: - ext = ext_normcase - if ext not in (self.src_extensions + ['.rc','.res']): - raise UnknownFileError, \ - "unknown file type '%s' (from '%s')" % \ - (ext, src_name) - base = os.path.splitdrive(base)[1] # Chop off the drive - base = base[os.path.isabs(base):] # If abs, chop off leading / - if strip_dir: - base = os.path.basename (base) - if ext == '.res' or ext == '.rc': - # these need to be compiled to object files - obj_names.append (os.path.join (output_dir, - base + ext + self.obj_extension)) - else: - obj_names.append (os.path.join (output_dir, - base + self.obj_extension)) - return obj_names - - # object_filenames () - -# class CygwinCCompiler - - -# the same as cygwin plus some additional parameters -class Mingw32CCompiler (CygwinCCompiler): - - compiler_type = 'mingw32' - - def __init__ (self, - verbose=0, - dry_run=0, - force=0): - - CygwinCCompiler.__init__ (self, verbose, dry_run, force) - - # ld_version >= "2.13" support -shared so use it instead of - # -mdll -static - if self.ld_version >= "2.13": - shared_option = "-shared" - else: - shared_option = "-mdll -static" - - # A real mingw32 doesn't need to specify a different entry point, - # but cygwin 2.91.57 in no-cygwin-mode needs it. - if self.gcc_version <= "2.91.57": - entry_point = '--entry _DllMain@12' - else: - entry_point = '' - - self.set_executables(compiler='gcc -mno-cygwin -O -Wall', - compiler_so='gcc -mno-cygwin -mdll -O -Wall', - compiler_cxx='g++ -mno-cygwin -O -Wall', - linker_exe='gcc -mno-cygwin', - linker_so='%s -mno-cygwin %s %s' - % (self.linker_dll, shared_option, - entry_point)) - # Maybe we should also append -mthreads, but then the finished - # dlls need another dll (mingwm10.dll see Mingw32 docs) - # (-mthreads: Support thread-safe exception handling on `Mingw32') - - # no additional libraries needed - self.dll_libraries=[] - - # Include the appropriate MSVC runtime library if Python was built - # with MSVC 7.0 or later. - self.dll_libraries = get_msvcr() - - # __init__ () - -# class Mingw32CCompiler - -# 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 - import string - # if sys.version contains GCC then python was compiled with - # GCC, and the pyconfig.h file should be OK - if string.find(sys.version,"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, 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 string.find(s,"__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, ld and dllwrap. - If not possible it returns None for it. - """ - from distutils.version import LooseVersion - from distutils.spawn import find_executable - import re - - gcc_exe = os.environ.get('CC') or find_executable('gcc') - ld_exe = os.environ.get('LD') or find_executable('ld') - if gcc_exe: - out = os.popen(gcc_exe + ' -dumpversion','r') - out_string = out.read() - out.close() - result = re.search('(\d+\.\d+(\.\d+)*)',out_string) - if result: - gcc_version = LooseVersion(result.group(1)) - else: - gcc_version = None - out = os.popen(gcc_exe + ' --print-prog-name ld','r') - ld_exe = out.read().decode('ascii').split()[0] - out.close() - else: - gcc_version = None - if ld_exe: - out = os.popen(ld_exe + ' -v','r') - out_string = out.read() - out.close() - result = re.search('(\d+\.\d+(\.\d+)*)',out_string) - if result: - ld_version = LooseVersion(result.group(1)) - else: - ld_version = None - else: - ld_version = None - dllwrap_exe = os.environ.get('DLLWRAP') or find_executable('dllwrap') - if dllwrap_exe: - out = os.popen(dllwrap_exe + ' --version','r') - out_string = out.read() - out.close() - result = re.search(' (\d+\.\d+(\.\d+)*)',out_string) - if result: - dllwrap_version = LooseVersion(result.group(1)) - else: - dllwrap_version = None - else: - dllwrap_version = None - return (gcc_version, ld_version, dllwrap_version) |