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""" Modified version of build_clib that handles fortran source files.
"""
from distutils.command.build_clib import build_clib as old_build_clib
from distutils.errors import DistutilsSetupError
from numpy.distutils import log
from distutils.dep_util import newer_group
from numpy.distutils.misc_util import filter_sources, has_f_sources,\
has_cxx_sources, all_strings, get_lib_source_files, is_sequence
try:
set
except NameError:
from sets import Set as set
class build_clib(old_build_clib):
description = "build C/C++/F libraries used by Python extensions"
user_options = old_build_clib.user_options + [
('fcompiler=', None,
"specify the Fortran compiler type"),
]
def initialize_options(self):
old_build_clib.initialize_options(self)
self.fcompiler = None
def finalize_options(self):
old_build_clib.finalize_options(self)
self._languages = None
self.set_undefined_options('config_fc',
('fcompiler', 'fcompiler'))
# we set this to the appropiate Fortran compiler object
# (f77 or f90) in the .run() method
self._fcompiler = None
def languages(self):
"""Return a set of language names used in this library.
Valid language names are 'c', 'f77', and 'f90'.
"""
if self._languages is None:
languages = set()
for (lib_name, build_info) in self.libraries:
l = build_info.get('language',None)
if l:
languages.add(l)
self._languages = languages
return self._languages
def have_f_sources(self):
l = self.languages()
return 'f90' in l or 'f77' in l
def have_cxx_sources(self):
l = self.languages()
return 'c++' in l
def run(self):
if not self.libraries:
return
# Make sure that library sources are complete.
self.run_command('build_src')
languages = self.languages()
from distutils.ccompiler import new_compiler
self.compiler = new_compiler(compiler=self.compiler,
dry_run=self.dry_run,
force=self.force)
self.compiler.customize(self.distribution,
need_cxx=self.have_cxx_sources())
libraries = self.libraries
self.libraries = None
self.compiler.customize_cmd(self)
self.libraries = libraries
self.compiler.show_customization()
if self.have_f_sources():
if 'f90' in languages:
fc = self.fcompiler.f90()
else:
fc = self.fcompiler.f77()
libraries = self.libraries
self.libraries = None
fc.customize_cmd(self)
self.libraries = libraries
fc.show_customization()
self._fcompiler = fc
self.build_libraries(self.libraries)
def get_source_files(self):
self.check_library_list(self.libraries)
filenames = []
for lib in self.libraries:
filenames.extend(get_lib_source_files(lib))
return filenames
def build_libraries(self, libraries):
fcompiler = self._fcompiler
compiler = self.compiler
for (lib_name, build_info) in libraries:
sources = build_info.get('sources')
if sources is None or not is_sequence(sources):
raise DistutilsSetupError, \
("in 'libraries' option (library '%s'), " +
"'sources' must be present and must be " +
"a list of source filenames") % lib_name
sources = list(sources)
lib_file = compiler.library_filename(lib_name,
output_dir=self.build_clib)
depends = sources + build_info.get('depends',[])
if not (self.force or newer_group(depends, lib_file, 'newer')):
log.debug("skipping '%s' library (up-to-date)", lib_name)
continue
else:
log.info("building '%s' library", lib_name)
config_fc = build_info.get('config_fc',{})
if fcompiler is not None and config_fc:
log.info('using additional config_fc from setup script '\
'for fortran compiler: %s' \
% (config_fc,))
dist = self.distribution
base_config_fc = dist.get_option_dict('config_fc').copy()
base_config_fc.update(config_fc)
fcompiler.customize(base_config_fc)
macros = build_info.get('macros')
include_dirs = build_info.get('include_dirs')
extra_postargs = build_info.get('extra_compiler_args') or []
c_sources, cxx_sources, f_sources, fmodule_sources \
= filter_sources(sources)
if self.compiler.compiler_type=='msvc':
# this hack works around the msvc compiler attributes
# problem, msvc uses its own convention :(
c_sources += cxx_sources
cxx_sources = []
if fmodule_sources:
print 'XXX: Fortran 90 module support not implemented or tested'
f_sources.extend(fmodule_sources)
objects = []
if c_sources:
log.info("compiling C sources")
objects = compiler.compile(c_sources,
output_dir=self.build_temp,
macros=macros,
include_dirs=include_dirs,
debug=self.debug,
extra_postargs=extra_postargs)
if cxx_sources:
log.info("compiling C++ sources")
cxx_compiler = compiler.cxx_compiler()
cxx_objects = cxx_compiler.compile(cxx_sources,
output_dir=self.build_temp,
macros=macros,
include_dirs=include_dirs,
debug=self.debug,
extra_postargs=extra_postargs)
objects.extend(cxx_objects)
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=[])
objects.extend(f_objects)
self.compiler.create_static_lib(objects, lib_name,
output_dir=self.build_clib,
debug=self.debug)
clib_libraries = build_info.get('libraries',[])
for lname, binfo in libraries:
if lname in clib_libraries:
clib_libraries.extend(binfo[1].get('libraries',[]))
if clib_libraries:
build_info['libraries'] = clib_libraries
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