610 lines
26 KiB
Python
610 lines
26 KiB
Python
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""" Modified version of build_ext that handles fortran source files.
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"""
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import os
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import subprocess
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from glob import glob
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from distutils.dep_util import newer_group
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from distutils.command.build_ext import build_ext as old_build_ext
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from distutils.errors import DistutilsFileError, DistutilsSetupError,\
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DistutilsError
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from distutils.file_util import copy_file
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from numpy.distutils import log
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from numpy.distutils.exec_command import filepath_from_subprocess_output
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from numpy.distutils.system_info import combine_paths
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from numpy.distutils.misc_util import (
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filter_sources, get_ext_source_files, get_numpy_include_dirs,
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has_cxx_sources, has_f_sources, is_sequence
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)
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from numpy.distutils.command.config_compiler import show_fortran_compilers
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class build_ext (old_build_ext):
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description = "build C/C++/F extensions (compile/link to build directory)"
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user_options = old_build_ext.user_options + [
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('fcompiler=', None,
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"specify the Fortran compiler type"),
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('parallel=', 'j',
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"number of parallel jobs"),
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('warn-error', None,
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"turn all warnings into errors (-Werror)"),
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]
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help_options = old_build_ext.help_options + [
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('help-fcompiler', None, "list available Fortran compilers",
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show_fortran_compilers),
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]
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boolean_options = old_build_ext.boolean_options + ['warn-error']
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def initialize_options(self):
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old_build_ext.initialize_options(self)
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self.fcompiler = None
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self.parallel = None
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self.warn_error = None
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def finalize_options(self):
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if self.parallel:
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try:
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self.parallel = int(self.parallel)
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except ValueError as e:
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raise ValueError("--parallel/-j argument must be an integer") from e
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# Ensure that self.include_dirs and self.distribution.include_dirs
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# refer to the same list object. finalize_options will modify
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# self.include_dirs, but self.distribution.include_dirs is used
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# during the actual build.
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# self.include_dirs is None unless paths are specified with
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# --include-dirs.
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# The include paths will be passed to the compiler in the order:
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# numpy paths, --include-dirs paths, Python include path.
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if isinstance(self.include_dirs, str):
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self.include_dirs = self.include_dirs.split(os.pathsep)
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incl_dirs = self.include_dirs or []
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if self.distribution.include_dirs is None:
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self.distribution.include_dirs = []
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self.include_dirs = self.distribution.include_dirs
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self.include_dirs.extend(incl_dirs)
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old_build_ext.finalize_options(self)
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self.set_undefined_options('build',
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('parallel', 'parallel'),
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('warn_error', 'warn_error'),
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)
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def run(self):
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if not self.extensions:
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return
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# Make sure that extension sources are complete.
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self.run_command('build_src')
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if self.distribution.has_c_libraries():
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if self.inplace:
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if self.distribution.have_run.get('build_clib'):
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log.warn('build_clib already run, it is too late to '
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'ensure in-place build of build_clib')
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build_clib = self.distribution.get_command_obj(
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'build_clib')
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else:
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build_clib = self.distribution.get_command_obj(
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'build_clib')
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build_clib.inplace = 1
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build_clib.ensure_finalized()
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build_clib.run()
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self.distribution.have_run['build_clib'] = 1
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else:
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self.run_command('build_clib')
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build_clib = self.get_finalized_command('build_clib')
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self.library_dirs.append(build_clib.build_clib)
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else:
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build_clib = None
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# Not including C libraries to the list of
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# extension libraries automatically to prevent
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# bogus linking commands. Extensions must
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# explicitly specify the C libraries that they use.
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from distutils.ccompiler import new_compiler
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from numpy.distutils.fcompiler import new_fcompiler
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compiler_type = self.compiler
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# Initialize C compiler:
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self.compiler = new_compiler(compiler=compiler_type,
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verbose=self.verbose,
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dry_run=self.dry_run,
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force=self.force)
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self.compiler.customize(self.distribution)
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self.compiler.customize_cmd(self)
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if self.warn_error:
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self.compiler.compiler.append('-Werror')
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self.compiler.compiler_so.append('-Werror')
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self.compiler.show_customization()
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# Setup directory for storing generated extra DLL files on Windows
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self.extra_dll_dir = os.path.join(self.build_temp, '.libs')
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if not os.path.isdir(self.extra_dll_dir):
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os.makedirs(self.extra_dll_dir)
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# Create mapping of libraries built by build_clib:
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clibs = {}
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if build_clib is not None:
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for libname, build_info in build_clib.libraries or []:
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if libname in clibs and clibs[libname] != build_info:
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log.warn('library %r defined more than once,'
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' overwriting build_info\n%s... \nwith\n%s...'
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% (libname, repr(clibs[libname])[:300], repr(build_info)[:300]))
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clibs[libname] = build_info
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# .. and distribution libraries:
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for libname, build_info in self.distribution.libraries or []:
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if libname in clibs:
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# build_clib libraries have a precedence before distribution ones
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continue
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clibs[libname] = build_info
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# Determine if C++/Fortran 77/Fortran 90 compilers are needed.
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# Update extension libraries, library_dirs, and macros.
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all_languages = set()
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for ext in self.extensions:
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ext_languages = set()
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c_libs = []
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c_lib_dirs = []
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macros = []
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for libname in ext.libraries:
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if libname in clibs:
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binfo = clibs[libname]
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c_libs += binfo.get('libraries', [])
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c_lib_dirs += binfo.get('library_dirs', [])
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for m in binfo.get('macros', []):
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if m not in macros:
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macros.append(m)
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for l in clibs.get(libname, {}).get('source_languages', []):
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ext_languages.add(l)
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if c_libs:
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new_c_libs = ext.libraries + c_libs
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log.info('updating extension %r libraries from %r to %r'
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% (ext.name, ext.libraries, new_c_libs))
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ext.libraries = new_c_libs
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ext.library_dirs = ext.library_dirs + c_lib_dirs
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if macros:
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log.info('extending extension %r defined_macros with %r'
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% (ext.name, macros))
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ext.define_macros = ext.define_macros + macros
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# determine extension languages
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if has_f_sources(ext.sources):
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ext_languages.add('f77')
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if has_cxx_sources(ext.sources):
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ext_languages.add('c++')
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l = ext.language or self.compiler.detect_language(ext.sources)
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if l:
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ext_languages.add(l)
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# reset language attribute for choosing proper linker
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if 'c++' in ext_languages:
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ext_language = 'c++'
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elif 'f90' in ext_languages:
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ext_language = 'f90'
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elif 'f77' in ext_languages:
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ext_language = 'f77'
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else:
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ext_language = 'c' # default
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if l and l != ext_language and ext.language:
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log.warn('resetting extension %r language from %r to %r.' %
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(ext.name, l, ext_language))
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ext.language = ext_language
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# global language
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all_languages.update(ext_languages)
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need_f90_compiler = 'f90' in all_languages
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need_f77_compiler = 'f77' in all_languages
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need_cxx_compiler = 'c++' in all_languages
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# Initialize C++ compiler:
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if need_cxx_compiler:
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self._cxx_compiler = new_compiler(compiler=compiler_type,
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verbose=self.verbose,
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dry_run=self.dry_run,
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force=self.force)
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compiler = self._cxx_compiler
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compiler.customize(self.distribution, need_cxx=need_cxx_compiler)
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compiler.customize_cmd(self)
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compiler.show_customization()
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self._cxx_compiler = compiler.cxx_compiler()
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else:
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self._cxx_compiler = None
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# Initialize Fortran 77 compiler:
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if need_f77_compiler:
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ctype = self.fcompiler
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self._f77_compiler = new_fcompiler(compiler=self.fcompiler,
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verbose=self.verbose,
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dry_run=self.dry_run,
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force=self.force,
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requiref90=False,
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c_compiler=self.compiler)
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fcompiler = self._f77_compiler
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if fcompiler:
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ctype = fcompiler.compiler_type
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fcompiler.customize(self.distribution)
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if fcompiler and fcompiler.get_version():
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fcompiler.customize_cmd(self)
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fcompiler.show_customization()
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else:
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self.warn('f77_compiler=%s is not available.' %
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(ctype))
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self._f77_compiler = None
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else:
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self._f77_compiler = None
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# Initialize Fortran 90 compiler:
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if need_f90_compiler:
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ctype = self.fcompiler
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self._f90_compiler = new_fcompiler(compiler=self.fcompiler,
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verbose=self.verbose,
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dry_run=self.dry_run,
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force=self.force,
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requiref90=True,
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c_compiler=self.compiler)
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fcompiler = self._f90_compiler
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if fcompiler:
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ctype = fcompiler.compiler_type
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fcompiler.customize(self.distribution)
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if fcompiler and fcompiler.get_version():
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fcompiler.customize_cmd(self)
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fcompiler.show_customization()
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else:
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self.warn('f90_compiler=%s is not available.' %
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(ctype))
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self._f90_compiler = None
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else:
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self._f90_compiler = None
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# Build extensions
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self.build_extensions()
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# Copy over any extra DLL files
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# FIXME: In the case where there are more than two packages,
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# we blindly assume that both packages need all of the libraries,
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# resulting in a larger wheel than is required. This should be fixed,
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# but it's so rare that I won't bother to handle it.
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pkg_roots = {
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self.get_ext_fullname(ext.name).split('.')[0]
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for ext in self.extensions
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}
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for pkg_root in pkg_roots:
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shared_lib_dir = os.path.join(pkg_root, '.libs')
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if not self.inplace:
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shared_lib_dir = os.path.join(self.build_lib, shared_lib_dir)
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for fn in os.listdir(self.extra_dll_dir):
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if not os.path.isdir(shared_lib_dir):
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os.makedirs(shared_lib_dir)
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if not fn.lower().endswith('.dll'):
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continue
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runtime_lib = os.path.join(self.extra_dll_dir, fn)
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copy_file(runtime_lib, shared_lib_dir)
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def swig_sources(self, sources, extensions=None):
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# Do nothing. Swig sources have been handled in build_src command.
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return sources
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def build_extension(self, ext):
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sources = ext.sources
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if sources is None or not is_sequence(sources):
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raise DistutilsSetupError(
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("in 'ext_modules' option (extension '%s'), " +
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"'sources' must be present and must be " +
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"a list of source filenames") % ext.name)
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sources = list(sources)
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if not sources:
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return
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fullname = self.get_ext_fullname(ext.name)
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if self.inplace:
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modpath = fullname.split('.')
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package = '.'.join(modpath[0:-1])
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base = modpath[-1]
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build_py = self.get_finalized_command('build_py')
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package_dir = build_py.get_package_dir(package)
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ext_filename = os.path.join(package_dir,
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self.get_ext_filename(base))
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else:
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ext_filename = os.path.join(self.build_lib,
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self.get_ext_filename(fullname))
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depends = sources + ext.depends
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if not (self.force or newer_group(depends, ext_filename, 'newer')):
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log.debug("skipping '%s' extension (up-to-date)", ext.name)
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return
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else:
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log.info("building '%s' extension", ext.name)
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extra_args = ext.extra_compile_args or []
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macros = ext.define_macros[:]
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for undef in ext.undef_macros:
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macros.append((undef,))
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c_sources, cxx_sources, f_sources, fmodule_sources = \
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filter_sources(ext.sources)
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if self.compiler.compiler_type == 'msvc':
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if cxx_sources:
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# Needed to compile kiva.agg._agg extension.
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extra_args.append('/Zm1000')
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# this hack works around the msvc compiler attributes
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# problem, msvc uses its own convention :(
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c_sources += cxx_sources
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cxx_sources = []
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# Set Fortran/C++ compilers for compilation and linking.
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if ext.language == 'f90':
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fcompiler = self._f90_compiler
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elif ext.language == 'f77':
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fcompiler = self._f77_compiler
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else: # in case ext.language is c++, for instance
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fcompiler = self._f90_compiler or self._f77_compiler
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if fcompiler is not None:
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fcompiler.extra_f77_compile_args = (ext.extra_f77_compile_args or []) if hasattr(
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ext, 'extra_f77_compile_args') else []
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|
|
fcompiler.extra_f90_compile_args = (ext.extra_f90_compile_args or []) if hasattr(
|
||
|
|
ext, 'extra_f90_compile_args') else []
|
||
|
|
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)
|
||
|
|
|
||
|
|
if f_objects and not fcompiler.can_ccompiler_link(self.compiler):
|
||
|
|
unlinkable_fobjects = f_objects
|
||
|
|
objects = c_objects
|
||
|
|
else:
|
||
|
|
unlinkable_fobjects = []
|
||
|
|
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 in ('msvc', 'intelw', 'intelemw'):
|
||
|
|
# 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 fcompiler is not None:
|
||
|
|
objects, libraries = self._process_unlinkable_fobjects(
|
||
|
|
objects, libraries,
|
||
|
|
fcompiler, library_dirs,
|
||
|
|
unlinkable_fobjects)
|
||
|
|
|
||
|
|
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,
|
||
|
|
target_lang=ext.language)
|
||
|
|
|
||
|
|
def _add_dummy_mingwex_sym(self, c_sources):
|
||
|
|
build_src = self.get_finalized_command("build_src").build_src
|
||
|
|
build_clib = self.get_finalized_command("build_clib").build_clib
|
||
|
|
objects = self.compiler.compile([os.path.join(build_src,
|
||
|
|
"gfortran_vs2003_hack.c")],
|
||
|
|
output_dir=self.build_temp)
|
||
|
|
self.compiler.create_static_lib(
|
||
|
|
objects, "_gfortran_workaround", output_dir=build_clib, debug=self.debug)
|
||
|
|
|
||
|
|
def _process_unlinkable_fobjects(self, objects, libraries,
|
||
|
|
fcompiler, library_dirs,
|
||
|
|
unlinkable_fobjects):
|
||
|
|
libraries = list(libraries)
|
||
|
|
objects = list(objects)
|
||
|
|
unlinkable_fobjects = list(unlinkable_fobjects)
|
||
|
|
|
||
|
|
# Expand possible fake static libraries to objects
|
||
|
|
for lib in list(libraries):
|
||
|
|
for libdir in library_dirs:
|
||
|
|
fake_lib = os.path.join(libdir, lib + '.fobjects')
|
||
|
|
if os.path.isfile(fake_lib):
|
||
|
|
# Replace fake static library
|
||
|
|
libraries.remove(lib)
|
||
|
|
with open(fake_lib, 'r') as f:
|
||
|
|
unlinkable_fobjects.extend(f.read().splitlines())
|
||
|
|
|
||
|
|
# Expand C objects
|
||
|
|
c_lib = os.path.join(libdir, lib + '.cobjects')
|
||
|
|
with open(c_lib, 'r') as f:
|
||
|
|
objects.extend(f.read().splitlines())
|
||
|
|
|
||
|
|
# Wrap unlinkable objects to a linkable one
|
||
|
|
if unlinkable_fobjects:
|
||
|
|
fobjects = [os.path.abspath(obj) for obj in unlinkable_fobjects]
|
||
|
|
wrapped = fcompiler.wrap_unlinkable_objects(
|
||
|
|
fobjects, output_dir=self.build_temp,
|
||
|
|
extra_dll_dir=self.extra_dll_dir)
|
||
|
|
objects.extend(wrapped)
|
||
|
|
|
||
|
|
return objects, libraries
|
||
|
|
|
||
|
|
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'):
|
||
|
|
try:
|
||
|
|
dir = subprocess.check_output(['cygpath', '-w', dir])
|
||
|
|
except (OSError, subprocess.CalledProcessError):
|
||
|
|
pass
|
||
|
|
else:
|
||
|
|
dir = filepath_from_subprocess_output(dir)
|
||
|
|
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
|