diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/distutils/command/build_ext.py | 183 |
1 files changed, 92 insertions, 91 deletions
diff --git a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py index 2876c35..8f59523 100644 --- a/Lib/distutils/command/build_ext.py +++ b/Lib/distutils/command/build_ext.py @@ -356,104 +356,105 @@ class build_ext (Command): # get_outputs () - - def build_extensions (self): + def build_extensions(self): # First, sanity-check the 'extensions' list self.check_extensions_list(self.extensions) for ext in self.extensions: - sources = ext.sources - if sources is None or type(sources) not in (ListType, TupleType): - raise DistutilsSetupError, \ - ("in 'ext_modules' option (extension '%s'), " + - "'sources' must be present and must be " + - "a list of source filenames") % ext.name - sources = list(sources) + self.build_extension(ext) - fullname = self.get_ext_fullname(ext.name) - if self.inplace: - # ignore build-lib -- put the compiled extension into - # the source tree along with pure Python modules - - modpath = string.split(fullname, '.') - package = string.join(modpath[0:-1], '.') - base = modpath[-1] - - build_py = self.get_finalized_command('build_py') - package_dir = build_py.get_package_dir(package) - ext_filename = os.path.join(package_dir, - self.get_ext_filename(base)) - else: - ext_filename = os.path.join(self.build_lib, - self.get_ext_filename(fullname)) + def build_extension(self, ext): - if not (self.force or newer_group(sources, ext_filename, 'newer')): - self.announce("skipping '%s' extension (up-to-date)" % - ext.name) - continue # 'for' loop over all extensions - else: - self.announce("building '%s' extension" % ext.name) - - # First, scan the sources for SWIG definition files (.i), run - # SWIG on 'em to create .c files, and modify the sources list - # accordingly. - sources = self.swig_sources(sources) - - # Next, compile the source code to object files. - - # XXX not honouring 'define_macros' or 'undef_macros' -- the - # CCompiler API needs to change to accommodate this, and I - # want to do one thing at a time! - - # Two possible sources for extra compiler arguments: - # - 'extra_compile_args' in Extension object - # - CFLAGS environment variable (not particularly - # elegant, but people seem to expect it and I - # guess it's useful) - # The environment variable should take precedence, and - # any sensible compiler will give precedence to later - # command line args. Hence we combine them in order: - extra_args = ext.extra_compile_args or [] - - macros = ext.define_macros[:] - for undef in ext.undef_macros: - macros.append((undef,)) - - # XXX and if we support CFLAGS, why not CC (compiler - # executable), CPPFLAGS (pre-processor options), and LDFLAGS - # (linker options) too? - # XXX should we use shlex to properly parse CFLAGS? - - if os.environ.has_key('CFLAGS'): - extra_args.extend(string.split(os.environ['CFLAGS'])) - - objects = self.compiler.compile(sources, - output_dir=self.build_temp, - macros=macros, - include_dirs=ext.include_dirs, - debug=self.debug, - extra_postargs=extra_args) - - # Now link the object files together into a "shared object" -- - # of course, first we have to figure out all the other things - # that go into the mix. - if ext.extra_objects: - objects.extend(ext.extra_objects) - extra_args = ext.extra_link_args or [] - - - self.compiler.link_shared_object( - objects, ext_filename, - libraries=self.get_libraries(ext), - library_dirs=ext.library_dirs, - runtime_library_dirs=ext.runtime_library_dirs, - extra_postargs=extra_args, - export_symbols=self.get_export_symbols(ext), - debug=self.debug, - build_temp=self.build_temp) - - # build_extensions () + sources = ext.sources + if sources is None or type(sources) not in (ListType, TupleType): + raise DistutilsSetupError, \ + ("in 'ext_modules' option (extension '%s'), " + + "'sources' must be present and must be " + + "a list of source filenames") % ext.name + sources = list(sources) + + fullname = self.get_ext_fullname(ext.name) + if self.inplace: + # ignore build-lib -- put the compiled extension into + # the source tree along with pure Python modules + + modpath = string.split(fullname, '.') + package = string.join(modpath[0:-1], '.') + base = modpath[-1] + + build_py = self.get_finalized_command('build_py') + package_dir = build_py.get_package_dir(package) + ext_filename = os.path.join(package_dir, + self.get_ext_filename(base)) + else: + ext_filename = os.path.join(self.build_lib, + self.get_ext_filename(fullname)) + + if not (self.force or newer_group(sources, ext_filename, 'newer')): + self.announce("skipping '%s' extension (up-to-date)" % + ext.name) + return + else: + self.announce("building '%s' extension" % ext.name) + + # First, scan the sources for SWIG definition files (.i), run + # SWIG on 'em to create .c files, and modify the sources list + # accordingly. + sources = self.swig_sources(sources) + + # Next, compile the source code to object files. + + # XXX not honouring 'define_macros' or 'undef_macros' -- the + # CCompiler API needs to change to accommodate this, and I + # want to do one thing at a time! + + # Two possible sources for extra compiler arguments: + # - 'extra_compile_args' in Extension object + # - CFLAGS environment variable (not particularly + # elegant, but people seem to expect it and I + # guess it's useful) + # The environment variable should take precedence, and + # any sensible compiler will give precedence to later + # command line args. Hence we combine them in order: + extra_args = ext.extra_compile_args or [] + + macros = ext.define_macros[:] + for undef in ext.undef_macros: + macros.append((undef,)) + + # XXX and if we support CFLAGS, why not CC (compiler + # executable), CPPFLAGS (pre-processor options), and LDFLAGS + # (linker options) too? + # XXX should we use shlex to properly parse CFLAGS? + + if os.environ.has_key('CFLAGS'): + extra_args.extend(string.split(os.environ['CFLAGS'])) + + objects = self.compiler.compile(sources, + output_dir=self.build_temp, + macros=macros, + include_dirs=ext.include_dirs, + debug=self.debug, + extra_postargs=extra_args) + + # Now link the object files together into a "shared object" -- + # of course, first we have to figure out all the other things + # that go into the mix. + if ext.extra_objects: + objects.extend(ext.extra_objects) + extra_args = ext.extra_link_args or [] + + + self.compiler.link_shared_object( + objects, ext_filename, + libraries=self.get_libraries(ext), + library_dirs=ext.library_dirs, + runtime_library_dirs=ext.runtime_library_dirs, + extra_postargs=extra_args, + export_symbols=self.get_export_symbols(ext), + debug=self.debug, + build_temp=self.build_temp) def swig_sources (self, sources): |