diff options
Diffstat (limited to 'setuptools/_distutils/cygwinccompiler.py')
| -rw-r--r-- | setuptools/_distutils/cygwinccompiler.py | 314 |
1 files changed, 155 insertions, 159 deletions
diff --git a/setuptools/_distutils/cygwinccompiler.py b/setuptools/_distutils/cygwinccompiler.py index c5c86d8f..f15b8eee 100644 --- a/setuptools/_distutils/cygwinccompiler.py +++ b/setuptools/_distutils/cygwinccompiler.py @@ -6,104 +6,81 @@ 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 an import library for its dll -# - create a def-file for python??.dll -# - create an 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) -# * llvm-mingw with Clang 11 works -# (lld supports -shared) - import os +import re import sys import copy import shlex import warnings from subprocess import check_output -from distutils.unixccompiler import UnixCCompiler -from distutils.file_util import write_file -from distutils.errors import (DistutilsExecError, CCompilerError, - CompileError, UnknownFileError) -from distutils.version import LooseVersion, suppress_known_deprecation +from .unixccompiler import UnixCCompiler +from .file_util import write_file +from .errors import ( + DistutilsExecError, + DistutilsPlatformError, + CCompilerError, + CompileError, +) +from .version import LooseVersion, suppress_known_deprecation +from ._collections import RangeMap + + +_msvcr_lookup = RangeMap.left( + { + # MSVC 7.0 + 1300: ['msvcr70'], + # MSVC 7.1 + 1310: ['msvcr71'], + # VS2005 / MSVC 8.0 + 1400: ['msvcr80'], + # VS2008 / MSVC 9.0 + 1500: ['msvcr90'], + # VS2010 / MSVC 10.0 + 1600: ['msvcr100'], + # VS2012 / MSVC 11.0 + 1700: ['msvcr110'], + # VS2013 / MSVC 12.0 + 1800: ['msvcr120'], + # VS2015 / MSVC 14.0 + 1900: ['ucrt', 'vcruntime140'], + 2000: RangeMap.undefined_value, + }, +) + def get_msvcr(): """Include the appropriate MSVC runtime library if Python was built with MSVC 7.0 or later. """ - 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'] - elif msc_ver == '1600': - # VS2010 / MSVC 10.0 - return ['msvcr100'] - elif msc_ver == '1700': - # VS2012 / MSVC 11.0 - return ['msvcr110'] - elif msc_ver == '1800': - # VS2013 / MSVC 12.0 - return ['msvcr120'] - elif 1900 <= int(msc_ver) < 2000: - # VS2015 / MSVC 14.0 - return ['ucrt', 'vcruntime140'] - else: - raise ValueError("Unknown MS Compiler version %s " % msc_ver) + match = re.search(r'MSC v\.(\d{4})', sys.version) + try: + msc_ver = int(match.group(1)) + except AttributeError: + return + try: + return _msvcr_lookup[msc_ver] + except KeyError: + raise ValueError("Unknown MS Compiler version %s " % msc_ver) + + +_runtime_library_dirs_msg = ( + "Unable to set runtime library search path on Windows, " + "usually indicated by `runtime_library_dirs` parameter to Extension" +) class CygwinCCompiler(UnixCCompiler): - """ Handles the Cygwin port of the GNU C compiler to Windows. - """ + """Handles the Cygwin port of the GNU C compiler to Windows.""" + compiler_type = 'cygwin' obj_extension = ".o" static_lib_extension = ".a" - shared_lib_extension = ".dll" + shared_lib_extension = ".dll.a" + dylib_lib_extension = ".dll" static_lib_format = "lib%s%s" - shared_lib_format = "%s%s" + shared_lib_format = "lib%s%s" + dylib_lib_format = "cyg%s%s" exe_extension = ".exe" def __init__(self, verbose=0, dry_run=0, force=0): @@ -111,14 +88,15 @@ class CygwinCCompiler(UnixCCompiler): super().__init__(verbose, dry_run, force) status, details = check_config_h() - self.debug_print("Python's GCC status: %s (details: %s)" % - (status, details)) + self.debug_print( + "Python's GCC status: {} (details: {})".format(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) + "Compiling may fail because of undefined preprocessor macros." % details + ) self.cc = os.environ.get('CC', 'gcc') self.cxx = os.environ.get('CXX', 'g++') @@ -126,12 +104,13 @@ class CygwinCCompiler(UnixCCompiler): self.linker_dll = self.cc shared_option = "-shared" - self.set_executables(compiler='%s -mcygwin -O -Wall' % self.cc, - compiler_so='%s -mcygwin -mdll -O -Wall' % self.cc, - compiler_cxx='%s -mcygwin -O -Wall' % self.cxx, - linker_exe='%s -mcygwin' % self.cc, - linker_so=('%s -mcygwin %s' % - (self.linker_dll, shared_option))) + self.set_executables( + compiler='%s -mcygwin -O -Wall' % self.cc, + compiler_so='%s -mcygwin -mdll -O -Wall' % self.cc, + compiler_cxx='%s -mcygwin -O -Wall' % self.cxx, + linker_exe='%s -mcygwin' % self.cc, + linker_so=('{} -mcygwin {}'.format(self.linker_dll, shared_option)), + ) # Include the appropriate MSVC runtime library if Python was built # with MSVC 7.0 or later. @@ -160,30 +139,47 @@ class CygwinCCompiler(UnixCCompiler): self.spawn(["windres", "-i", src, "-o", obj]) except DistutilsExecError as msg: raise CompileError(msg) - else: # for other files use the C-compiler + else: # for other files use the C-compiler try: - self.spawn(self.compiler_so + cc_args + [src, '-o', obj] + - extra_postargs) + 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): + 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, + ): """Link the objects.""" # 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 []) + if runtime_library_dirs: + self.warn(_runtime_library_dirs_msg) + # 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")): + 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 @@ -195,29 +191,24 @@ class CygwinCCompiler(UnixCCompiler): 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)) + 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"] + 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) + self.execute(write_file, (def_file, contents), "writing %s" % def_file) - # next add options for def-file and to creating import libraries + # next add options for def-file - # 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 + # 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 @@ -229,70 +220,74 @@ class CygwinCCompiler(UnixCCompiler): 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) + 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, + ) + + def runtime_library_dir_option(self, dir): + # cygwin doesn't support rpath. While in theory we could error + # out like MSVC does, code might expect it to work like on Unix, so + # just warn and hope for the best. + self.warn(_runtime_library_dirs_msg) + return [] # -- Miscellaneous methods ----------------------------------------- - def object_filenames(self, source_filenames, strip_dir=0, output_dir=''): - """Adds supports for rc and res files.""" - 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','.res']): - raise UnknownFileError("unknown file type '%s' (from '%s')" % \ - (ext, src_name)) - if strip_dir: - base = os.path.basename (base) - if ext in ('.res', '.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 + def _make_out_path(self, output_dir, strip_dir, src_name): + # use normcase to make sure '.rc' is really '.rc' and not '.RC' + norm_src_name = os.path.normcase(src_name) + return super()._make_out_path(output_dir, strip_dir, norm_src_name) + + @property + def out_extensions(self): + """ + Add support for rc and res files. + """ + return { + **super().out_extensions, + **{ext: ext + self.obj_extension for ext in ('.res', '.rc')}, + } + # the same as cygwin plus some additional parameters class Mingw32CCompiler(CygwinCCompiler): - """ Handles the Mingw32 port of the GNU C compiler to Windows. - """ + """Handles the Mingw32 port of the GNU C compiler to Windows.""" + compiler_type = 'mingw32' def __init__(self, verbose=0, dry_run=0, force=0): - super().__init__ (verbose, dry_run, force) + super().__init__(verbose, dry_run, force) shared_option = "-shared" if is_cygwincc(self.cc): - raise CCompilerError( - 'Cygwin gcc cannot be used with --compiler=mingw32') - - self.set_executables(compiler='%s -O -Wall' % self.cc, - compiler_so='%s -mdll -O -Wall' % self.cc, - compiler_cxx='%s -O -Wall' % self.cxx, - linker_exe='%s' % self.cc, - linker_so='%s %s' - % (self.linker_dll, shared_option)) + raise CCompilerError('Cygwin gcc cannot be used with --compiler=mingw32') + + self.set_executables( + compiler='%s -O -Wall' % self.cc, + compiler_so='%s -mdll -O -Wall' % self.cc, + compiler_cxx='%s -O -Wall' % self.cxx, + linker_exe='%s' % self.cc, + linker_so='{} {}'.format(self.linker_dll, shared_option), + ) - # 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') + def runtime_library_dir_option(self, dir): + raise DistutilsPlatformError(_runtime_library_dirs_msg) - # 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() # 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 an unmodified @@ -302,6 +297,7 @@ CONFIG_H_OK = "ok" CONFIG_H_NOTOK = "not ok" CONFIG_H_UNCERTAIN = "uncertain" + def check_config_h(): """Check if the current Python installation appears amenable to building extensions with GCC. @@ -346,8 +342,8 @@ def check_config_h(): finally: config_h.close() except OSError as exc: - return (CONFIG_H_UNCERTAIN, - "couldn't read '%s': %s" % (fn, exc.strerror)) + return (CONFIG_H_UNCERTAIN, "couldn't read '{}': {}".format(fn, exc.strerror)) + def is_cygwincc(cc): '''Try to determine if the compiler that would be used is from cygwin.''' |