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Diffstat (limited to 'numpy/distutils/command/build_ext.py')
| -rw-r--r-- | numpy/distutils/command/build_ext.py | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/numpy/distutils/command/build_ext.py b/numpy/distutils/command/build_ext.py new file mode 100644 index 000000000..6febe9124 --- /dev/null +++ b/numpy/distutils/command/build_ext.py @@ -0,0 +1,465 @@ +""" Modified version of build_ext that handles fortran source files. +""" + +import os +import sys +from glob import glob + +from distutils.dep_util import newer_group +from distutils.command.build_ext import build_ext as old_build_ext +from distutils.errors import DistutilsFileError, DistutilsSetupError,\ + DistutilsError +from distutils.file_util import copy_file + +from numpy.distutils import log +from numpy.distutils.exec_command import exec_command +from numpy.distutils.system_info import combine_paths +from numpy.distutils.misc_util import filter_sources, has_f_sources, \ + has_cxx_sources, get_ext_source_files, \ + get_numpy_include_dirs, is_sequence +from numpy.distutils.command.config_compiler import show_fortran_compilers + +try: + set +except NameError: + from sets import Set as set + +class build_ext (old_build_ext): + + description = "build C/C++/F extensions (compile/link to build directory)" + + user_options = old_build_ext.user_options + [ + ('fcompiler=', None, + "specify the Fortran compiler type"), + ] + + help_options = old_build_ext.help_options + [ + ('help-fcompiler',None, "list available Fortran compilers", + show_fortran_compilers), + ] + + def initialize_options(self): + old_build_ext.initialize_options(self) + self.fcompiler = None + + def finalize_options(self): + incl_dirs = self.include_dirs + old_build_ext.finalize_options(self) + if incl_dirs is not None: + self.include_dirs.extend(self.distribution.include_dirs or []) + + def run(self): + if not self.extensions: + return + + # Make sure that extension sources are complete. + self.run_command('build_src') + + if self.distribution.has_c_libraries(): + self.run_command('build_clib') + build_clib = self.get_finalized_command('build_clib') + self.library_dirs.append(build_clib.build_clib) + else: + build_clib = None + + # Not including C libraries to the list of + # extension libraries automatically to prevent + # bogus linking commands. Extensions must + # explicitly specify the C libraries that they use. + + from distutils.ccompiler import new_compiler + from numpy.distutils.fcompiler import new_fcompiler + + compiler_type = self.compiler + # Initialize C compiler: + self.compiler = new_compiler(compiler=compiler_type, + verbose=self.verbose, + dry_run=self.dry_run, + force=self.force) + self.compiler.customize(self.distribution) + self.compiler.customize_cmd(self) + self.compiler.show_customization() + + # Create mapping of libraries built by build_clib: + clibs = {} + if build_clib is not None: + for libname,build_info in build_clib.libraries or []: + if clibs.has_key(libname): + log.warn('library %r defined more than once,'\ + ' overwriting build_info %r with %r.' \ + % (libname, clibs[libname], build_info)) + clibs[libname] = build_info + # .. and distribution libraries: + for libname,build_info in self.distribution.libraries or []: + if clibs.has_key(libname): + # build_clib libraries have a precedence before distribution ones + continue + clibs[libname] = build_info + + # Determine if C++/Fortran 77/Fortran 90 compilers are needed. + # Update extension libraries, library_dirs, and macros. + all_languages = set() + for ext in self.extensions: + ext_languages = set() + c_libs = [] + c_lib_dirs = [] + macros = [] + for libname in ext.libraries: + if clibs.has_key(libname): + binfo = clibs[libname] + c_libs += binfo.get('libraries',[]) + c_lib_dirs += binfo.get('library_dirs',[]) + for m in binfo.get('macros',[]): + if m not in macros: + macros.append(m) + for l in clibs.get(libname,{}).get('source_languages',[]): + ext_languages.add(l) + if c_libs: + new_c_libs = ext.libraries + c_libs + log.info('updating extension %r libraries from %r to %r' + % (ext.name, ext.libraries, new_c_libs)) + ext.libraries = new_c_libs + ext.library_dirs = ext.library_dirs + c_lib_dirs + if macros: + log.info('extending extension %r defined_macros with %r' + % (ext.name, macros)) + ext.define_macros = ext.define_macros + macros + + # determine extension languages + if has_f_sources(ext.sources): + ext_languages.add('f77') + if has_cxx_sources(ext.sources): + ext_languages.add('c++') + l = ext.language or self.compiler.detect_language(ext.sources) + if l: + ext_languages.add(l) + # reset language attribute for choosing proper linker + if 'c++' in ext_languages: + ext_language = 'c++' + elif 'f90' in ext_languages: + ext_language = 'f90' + elif 'f77' in ext_languages: + ext_language = 'f77' + else: + ext_language = 'c' # default + if l and l != ext_language and ext.language: + log.warn('resetting extension %r language from %r to %r.' % + (ext.name,l,ext_language)) + ext.language = ext_language + # global language + all_languages.update(ext_languages) + + need_f90_compiler = 'f90' in all_languages + need_f77_compiler = 'f77' in all_languages + need_cxx_compiler = 'c++' in all_languages + + # Initialize C++ compiler: + if need_cxx_compiler: + self._cxx_compiler = new_compiler(compiler=compiler_type, + verbose=self.verbose, + dry_run=self.dry_run, + force=self.force) + compiler = self._cxx_compiler + compiler.customize(self.distribution,need_cxx=need_cxx_compiler) + compiler.customize_cmd(self) + compiler.show_customization() + self._cxx_compiler = compiler.cxx_compiler() + else: + self._cxx_compiler = None + + # Initialize Fortran 77 compiler: + if need_f77_compiler: + self._f77_compiler = new_fcompiler(compiler=self.fcompiler, + verbose=self.verbose, + dry_run=self.dry_run, + force=self.force, + requiref90=False) + fcompiler = self._f77_compiler + if fcompiler.get_version(): + fcompiler.customize(self.distribution) + fcompiler.customize_cmd(self) + fcompiler.show_customization() + else: + self.warn('f77_compiler=%s is not available.' % + (fcompiler.compiler_type)) + self._f77_compiler = None + else: + self._f77_compiler = None + + # Initialize Fortran 90 compiler: + if need_f90_compiler: + self._f90_compiler = new_fcompiler(compiler=self.fcompiler, + verbose=self.verbose, + dry_run=self.dry_run, + force=self.force, + requiref90=True) + fcompiler = self._f90_compiler + if fcompiler.get_version(): + fcompiler.customize(self.distribution) + fcompiler.customize_cmd(self) + fcompiler.show_customization() + else: + self.warn('f90_compiler=%s is not available.' % + (fcompiler.compiler_type)) + self._f90_compiler = None + else: + self._f90_compiler = None + + # Build extensions + self.build_extensions() + + def swig_sources(self, sources): + # Do nothing. Swig sources have beed handled in build_src command. + return sources + + def build_extension(self, ext): + sources = ext.sources + if sources is None or not is_sequence(sources): + 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) + + if not sources: + return + + fullname = self.get_ext_fullname(ext.name) + if self.inplace: + modpath = fullname.split('.') + package = '.'.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)) + depends = sources + ext.depends + + if not (self.force or newer_group(depends, ext_filename, 'newer')): + log.debug("skipping '%s' extension (up-to-date)", ext.name) + return + else: + log.info("building '%s' extension", ext.name) + + extra_args = ext.extra_compile_args or [] + macros = ext.define_macros[:] + for undef in ext.undef_macros: + macros.append((undef,)) + + c_sources, cxx_sources, f_sources, fmodule_sources = \ + filter_sources(ext.sources) + + + + if self.compiler.compiler_type=='msvc': + if cxx_sources: + # Needed to compile kiva.agg._agg extension. + extra_args.append('/Zm1000') + # this hack works around the msvc compiler attributes + # problem, msvc uses its own convention :( + c_sources += cxx_sources + cxx_sources = [] + + # Set Fortran/C++ compilers for compilation and linking. + if ext.language=='f90': + fcompiler = self._f90_compiler + elif ext.language=='f77': + fcompiler = self._f77_compiler + else: # in case ext.language is c++, for instance + fcompiler = self._f90_compiler or self._f77_compiler + cxx_compiler = self._cxx_compiler + + # check for the availability of required compilers + if cxx_sources and cxx_compiler is None: + raise DistutilsError, "extension %r has C++ sources" \ + "but no C++ compiler found" % (ext.name) + if (f_sources or fmodule_sources) and fcompiler is None: + raise DistutilsError, "extension %r has Fortran sources " \ + "but no Fortran compiler found" % (ext.name) + if ext.language in ['f77','f90'] and fcompiler is None: + self.warn("extension %r has Fortran libraries " \ + "but no Fortran linker found, using default linker" % (ext.name)) + if ext.language=='c++' and cxx_compiler is None: + self.warn("extension %r has C++ libraries " \ + "but no C++ linker found, using default linker" % (ext.name)) + + kws = {'depends':ext.depends} + output_dir = self.build_temp + + include_dirs = ext.include_dirs + get_numpy_include_dirs() + + c_objects = [] + if c_sources: + log.info("compiling C sources") + c_objects = self.compiler.compile(c_sources, + output_dir=output_dir, + macros=macros, + include_dirs=include_dirs, + debug=self.debug, + extra_postargs=extra_args, + **kws) + + if cxx_sources: + log.info("compiling C++ sources") + c_objects += cxx_compiler.compile(cxx_sources, + output_dir=output_dir, + macros=macros, + include_dirs=include_dirs, + debug=self.debug, + extra_postargs=extra_args, + **kws) + + extra_postargs = [] + f_objects = [] + if fmodule_sources: + log.info("compiling Fortran 90 module sources") + module_dirs = ext.module_dirs[:] + module_build_dir = os.path.join( + self.build_temp,os.path.dirname( + self.get_ext_filename(fullname))) + + self.mkpath(module_build_dir) + if fcompiler.module_dir_switch is None: + existing_modules = glob('*.mod') + extra_postargs += fcompiler.module_options( + module_dirs,module_build_dir) + f_objects += fcompiler.compile(fmodule_sources, + output_dir=self.build_temp, + macros=macros, + include_dirs=include_dirs, + debug=self.debug, + extra_postargs=extra_postargs, + depends=ext.depends) + + if fcompiler.module_dir_switch is None: + for f in glob('*.mod'): + if f in existing_modules: + continue + t = os.path.join(module_build_dir, f) + if os.path.abspath(f)==os.path.abspath(t): + continue + if os.path.isfile(t): + os.remove(t) + try: + self.move_file(f, module_build_dir) + except DistutilsFileError: + log.warn('failed to move %r to %r' % + (f, module_build_dir)) + if f_sources: + log.info("compiling Fortran sources") + f_objects += fcompiler.compile(f_sources, + output_dir=self.build_temp, + macros=macros, + include_dirs=include_dirs, + debug=self.debug, + extra_postargs=extra_postargs, + depends=ext.depends) + + objects = c_objects + f_objects + + if ext.extra_objects: + objects.extend(ext.extra_objects) + extra_args = ext.extra_link_args or [] + libraries = self.get_libraries(ext)[:] + library_dirs = ext.library_dirs[:] + + linker = self.compiler.link_shared_object + # Always use system linker when using MSVC compiler. + if self.compiler.compiler_type=='msvc': + # expand libraries with fcompiler libraries as we are + # not using fcompiler linker + self._libs_with_msvc_and_fortran(fcompiler, libraries, library_dirs) + elif ext.language in ['f77','f90'] and fcompiler is not None: + linker = fcompiler.link_shared_object + if ext.language=='c++' and cxx_compiler is not None: + linker = cxx_compiler.link_shared_object + + if sys.version[:3]>='2.3': + kws = {'target_lang':ext.language} + else: + kws = {} + + linker(objects, ext_filename, + libraries=libraries, + library_dirs=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,**kws) + + def _libs_with_msvc_and_fortran(self, fcompiler, c_libraries, + c_library_dirs): + if fcompiler is None: return + + for libname in c_libraries: + if libname.startswith('msvc'): continue + fileexists = False + for libdir in c_library_dirs or []: + libfile = os.path.join(libdir,'%s.lib' % (libname)) + if os.path.isfile(libfile): + fileexists = True + break + if fileexists: continue + # make g77-compiled static libs available to MSVC + fileexists = False + for libdir in c_library_dirs: + libfile = os.path.join(libdir,'lib%s.a' % (libname)) + if os.path.isfile(libfile): + # copy libname.a file to name.lib so that MSVC linker + # can find it + libfile2 = os.path.join(self.build_temp, libname + '.lib') + copy_file(libfile, libfile2) + if self.build_temp not in c_library_dirs: + c_library_dirs.append(self.build_temp) + fileexists = True + break + if fileexists: continue + log.warn('could not find library %r in directories %s' + % (libname, c_library_dirs)) + + # Always use system linker when using MSVC compiler. + f_lib_dirs = [] + for dir in fcompiler.library_dirs: + # correct path when compiling in Cygwin but with normal Win + # Python + if dir.startswith('/usr/lib'): + s,o = exec_command(['cygpath', '-w', dir], use_tee=False) + if not s: + dir = o + f_lib_dirs.append(dir) + c_library_dirs.extend(f_lib_dirs) + + # make g77-compiled static libs available to MSVC + for lib in fcompiler.libraries: + if not lib.startswith('msvc'): + c_libraries.append(lib) + p = combine_paths(f_lib_dirs, 'lib' + lib + '.a') + if p: + dst_name = os.path.join(self.build_temp, lib + '.lib') + if not os.path.isfile(dst_name): + copy_file(p[0], dst_name) + if self.build_temp not in c_library_dirs: + c_library_dirs.append(self.build_temp) + + def get_source_files (self): + self.check_extensions_list(self.extensions) + filenames = [] + for ext in self.extensions: + filenames.extend(get_ext_source_files(ext)) + return filenames + + def get_outputs (self): + self.check_extensions_list(self.extensions) + + outputs = [] + for ext in self.extensions: + if not ext.sources: + continue + fullname = self.get_ext_fullname(ext.name) + outputs.append(os.path.join(self.build_lib, + self.get_ext_filename(fullname))) + return outputs |