333 lines
13 KiB
Python
333 lines
13 KiB
Python
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""" Modified version of build_clib that handles fortran source files.
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"""
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import os
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from glob import glob
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import shutil
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from distutils.command.build_clib import build_clib as old_build_clib
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from distutils.errors import DistutilsSetupError, DistutilsError, \
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DistutilsFileError
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from numpy.distutils import log
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from distutils.dep_util import newer_group
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from numpy.distutils.misc_util import (
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filter_sources, get_lib_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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# Fix Python distutils bug sf #1718574:
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_l = old_build_clib.user_options
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for _i in range(len(_l)):
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if _l[_i][0] in ['build-clib', 'build-temp']:
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_l[_i] = (_l[_i][0] + '=',) + _l[_i][1:]
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#
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class build_clib(old_build_clib):
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description = "build C/C++/F libraries used by Python extensions"
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user_options = old_build_clib.user_options + [
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('fcompiler=', None,
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"specify the Fortran compiler type"),
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('inplace', 'i', 'Build in-place'),
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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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boolean_options = old_build_clib.boolean_options + ['inplace', 'warn-error']
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def initialize_options(self):
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old_build_clib.initialize_options(self)
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self.fcompiler = None
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self.inplace = 0
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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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old_build_clib.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 have_f_sources(self):
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for (lib_name, build_info) in self.libraries:
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if has_f_sources(build_info.get('sources', [])):
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return True
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return False
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def have_cxx_sources(self):
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for (lib_name, build_info) in self.libraries:
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if has_cxx_sources(build_info.get('sources', [])):
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return True
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return False
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def run(self):
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if not self.libraries:
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return
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# Make sure that library sources are complete.
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languages = []
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# Make sure that extension sources are complete.
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self.run_command('build_src')
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for (lib_name, build_info) in self.libraries:
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l = build_info.get('language', None)
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if l and l not in languages:
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languages.append(l)
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from distutils.ccompiler import new_compiler
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self.compiler = new_compiler(compiler=self.compiler,
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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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need_cxx=self.have_cxx_sources())
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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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libraries = self.libraries
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self.libraries = None
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self.compiler.customize_cmd(self)
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self.libraries = libraries
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self.compiler.show_customization()
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if self.have_f_sources():
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from numpy.distutils.fcompiler import new_fcompiler
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self._f_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='f90' in languages,
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c_compiler=self.compiler)
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if self._f_compiler is not None:
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self._f_compiler.customize(self.distribution)
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libraries = self.libraries
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self.libraries = None
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self._f_compiler.customize_cmd(self)
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self.libraries = libraries
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self._f_compiler.show_customization()
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else:
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self._f_compiler = None
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self.build_libraries(self.libraries)
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if self.inplace:
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for l in self.distribution.installed_libraries:
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libname = self.compiler.library_filename(l.name)
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source = os.path.join(self.build_clib, libname)
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target = os.path.join(l.target_dir, libname)
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self.mkpath(l.target_dir)
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shutil.copy(source, target)
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def get_source_files(self):
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self.check_library_list(self.libraries)
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filenames = []
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for lib in self.libraries:
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filenames.extend(get_lib_source_files(lib))
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return filenames
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def build_libraries(self, libraries):
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for (lib_name, build_info) in libraries:
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self.build_a_library(build_info, lib_name, libraries)
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def build_a_library(self, build_info, lib_name, libraries):
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# default compilers
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compiler = self.compiler
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fcompiler = self._f_compiler
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sources = build_info.get('sources')
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if sources is None or not is_sequence(sources):
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raise DistutilsSetupError(("in 'libraries' option (library '%s'), " +
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"'sources' must be present and must be " +
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"a list of source filenames") % lib_name)
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sources = list(sources)
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c_sources, cxx_sources, f_sources, fmodule_sources \
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= filter_sources(sources)
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requiref90 = not not fmodule_sources or \
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build_info.get('language', 'c') == 'f90'
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# save source type information so that build_ext can use it.
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source_languages = []
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if c_sources:
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source_languages.append('c')
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if cxx_sources:
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source_languages.append('c++')
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if requiref90:
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source_languages.append('f90')
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elif f_sources:
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source_languages.append('f77')
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build_info['source_languages'] = source_languages
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lib_file = compiler.library_filename(lib_name,
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output_dir=self.build_clib)
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depends = sources + build_info.get('depends', [])
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if not (self.force or newer_group(depends, lib_file, 'newer')):
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log.debug("skipping '%s' library (up-to-date)", lib_name)
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return
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else:
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log.info("building '%s' library", lib_name)
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config_fc = build_info.get('config_fc', {})
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if fcompiler is not None and config_fc:
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log.info('using additional config_fc from setup script '
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'for fortran compiler: %s'
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% (config_fc,))
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from numpy.distutils.fcompiler import new_fcompiler
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fcompiler = new_fcompiler(compiler=fcompiler.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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requiref90=requiref90,
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c_compiler=self.compiler)
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if fcompiler is not None:
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dist = self.distribution
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base_config_fc = dist.get_option_dict('config_fc').copy()
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base_config_fc.update(config_fc)
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fcompiler.customize(base_config_fc)
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# check availability of Fortran compilers
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if (f_sources or fmodule_sources) and fcompiler is None:
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raise DistutilsError("library %s has Fortran sources"
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" but no Fortran compiler found" % (lib_name))
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if fcompiler is not None:
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fcompiler.extra_f77_compile_args = build_info.get(
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'extra_f77_compile_args') or []
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fcompiler.extra_f90_compile_args = build_info.get(
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'extra_f90_compile_args') or []
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macros = build_info.get('macros')
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include_dirs = build_info.get('include_dirs')
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if include_dirs is None:
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include_dirs = []
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extra_postargs = build_info.get('extra_compiler_args') or []
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include_dirs.extend(get_numpy_include_dirs())
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# where compiled F90 module files are:
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module_dirs = build_info.get('module_dirs') or []
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module_build_dir = os.path.dirname(lib_file)
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if requiref90:
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self.mkpath(module_build_dir)
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if compiler.compiler_type == 'msvc':
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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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objects = []
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if c_sources:
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log.info("compiling C sources")
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objects = compiler.compile(c_sources,
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output_dir=self.build_temp,
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macros=macros,
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include_dirs=include_dirs,
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debug=self.debug,
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extra_postargs=extra_postargs)
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if cxx_sources:
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log.info("compiling C++ sources")
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cxx_compiler = compiler.cxx_compiler()
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cxx_objects = cxx_compiler.compile(cxx_sources,
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output_dir=self.build_temp,
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macros=macros,
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include_dirs=include_dirs,
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debug=self.debug,
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extra_postargs=extra_postargs)
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objects.extend(cxx_objects)
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if f_sources or fmodule_sources:
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extra_postargs = []
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f_objects = []
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if requiref90:
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if fcompiler.module_dir_switch is None:
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existing_modules = glob('*.mod')
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extra_postargs += fcompiler.module_options(
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module_dirs, module_build_dir)
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if fmodule_sources:
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log.info("compiling Fortran 90 module sources")
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f_objects += fcompiler.compile(fmodule_sources,
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output_dir=self.build_temp,
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macros=macros,
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include_dirs=include_dirs,
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debug=self.debug,
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extra_postargs=extra_postargs)
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if requiref90 and self._f_compiler.module_dir_switch is None:
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# move new compiled F90 module files to module_build_dir
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for f in glob('*.mod'):
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if f in existing_modules:
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continue
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t = os.path.join(module_build_dir, f)
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if os.path.abspath(f) == os.path.abspath(t):
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continue
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if os.path.isfile(t):
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os.remove(t)
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try:
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self.move_file(f, module_build_dir)
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except DistutilsFileError:
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log.warn('failed to move %r to %r'
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% (f, module_build_dir))
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if f_sources:
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log.info("compiling Fortran sources")
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f_objects += fcompiler.compile(f_sources,
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output_dir=self.build_temp,
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macros=macros,
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include_dirs=include_dirs,
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debug=self.debug,
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extra_postargs=extra_postargs)
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else:
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f_objects = []
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if f_objects and not fcompiler.can_ccompiler_link(compiler):
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# Default linker cannot link Fortran object files, and results
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# need to be wrapped later. Instead of creating a real static
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# library, just keep track of the object files.
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listfn = os.path.join(self.build_clib,
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lib_name + '.fobjects')
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with open(listfn, 'w') as f:
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f.write("\n".join(os.path.abspath(obj) for obj in f_objects))
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listfn = os.path.join(self.build_clib,
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lib_name + '.cobjects')
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with open(listfn, 'w') as f:
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f.write("\n".join(os.path.abspath(obj) for obj in objects))
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# create empty "library" file for dependency tracking
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lib_fname = os.path.join(self.build_clib,
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lib_name + compiler.static_lib_extension)
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with open(lib_fname, 'wb') as f:
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pass
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else:
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# assume that default linker is suitable for
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# linking Fortran object files
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objects.extend(f_objects)
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compiler.create_static_lib(objects, lib_name,
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output_dir=self.build_clib,
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debug=self.debug)
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# fix library dependencies
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clib_libraries = build_info.get('libraries', [])
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for lname, binfo in libraries:
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if lname in clib_libraries:
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clib_libraries.extend(binfo.get('libraries', []))
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if clib_libraries:
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build_info['libraries'] = clib_libraries
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