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""" Modified version of build_clib that handles fortran source files.
"""
import os
from glob import glob
import shutil
from distutils.command.build_clib import build_clib as old_build_clib
from distutils.errors import DistutilsSetupError, DistutilsError, \
DistutilsFileError
from numpy.distutils import log
from distutils.dep_util import newer_group
from numpy.distutils.misc_util import (
filter_sources, get_lib_source_files, get_numpy_include_dirs,
has_cxx_sources, has_f_sources, is_sequence
)
from numpy.distutils.ccompiler_opt import new_ccompiler_opt
# Fix Python distutils bug sf #1718574:
_l = old_build_clib.user_options
for _i in range(len(_l)):
if _l[_i][0] in ['build-clib', 'build-temp']:
_l[_i] = (_l[_i][0] + '=',) + _l[_i][1:]
#
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"),
('inplace', 'i', 'Build in-place'),
('parallel=', 'j',
"number of parallel jobs"),
('warn-error', None,
"turn all warnings into errors (-Werror)"),
('cpu-baseline=', None,
"specify a list of enabled baseline CPU optimizations"),
('cpu-dispatch=', None,
"specify a list of dispatched CPU optimizations"),
('disable-optimization', None,
"disable CPU optimized code(dispatch,simd,fast...)"),
]
boolean_options = old_build_clib.boolean_options + \
['inplace', 'warn-error', 'disable-optimization']
def initialize_options(self):
old_build_clib.initialize_options(self)
self.fcompiler = None
self.inplace = 0
self.parallel = None
self.warn_error = None
self.cpu_baseline = None
self.cpu_dispatch = None
self.disable_optimization = None
def finalize_options(self):
if self.parallel:
try:
self.parallel = int(self.parallel)
except ValueError as e:
raise ValueError("--parallel/-j argument must be an integer") from e
old_build_clib.finalize_options(self)
self.set_undefined_options('build',
('parallel', 'parallel'),
('warn_error', 'warn_error'),
('cpu_baseline', 'cpu_baseline'),
('cpu_dispatch', 'cpu_dispatch'),
('disable_optimization', 'disable_optimization')
)
def have_f_sources(self):
for (lib_name, build_info) in self.libraries:
if has_f_sources(build_info.get('sources', [])):
return True
return False
def have_cxx_sources(self):
for (lib_name, build_info) in self.libraries:
if has_cxx_sources(build_info.get('sources', [])):
return True
return False
def run(self):
if not self.libraries:
return
# Make sure that library sources are complete.
languages = []
# Make sure that extension sources are complete.
self.run_command('build_src')
for (lib_name, build_info) in self.libraries:
l = build_info.get('language', None)
if l and l not in languages:
languages.append(l)
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())
if self.warn_error:
self.compiler.compiler.append('-Werror')
self.compiler.compiler_so.append('-Werror')
libraries = self.libraries
self.libraries = None
self.compiler.customize_cmd(self)
self.libraries = libraries
self.compiler.show_customization()
if not self.disable_optimization:
dispatch_hpath = os.path.join("numpy", "distutils", "include", "npy_cpu_dispatch_config.h")
dispatch_hpath = os.path.join(self.get_finalized_command("build_src").build_src, dispatch_hpath)
opt_cache_path = os.path.abspath(
os.path.join(self.build_temp, 'ccompiler_opt_cache_clib.py')
)
if hasattr(self, "compiler_opt"):
# By default `CCompilerOpt` update the cache at the exit of
# the process, which may lead to duplicate building
# (see build_extension()/force_rebuild) if run() called
# multiple times within the same os process/thread without
# giving the chance the previous instances of `CCompilerOpt`
# to update the cache.
self.compiler_opt.cache_flush()
self.compiler_opt = new_ccompiler_opt(
compiler=self.compiler, dispatch_hpath=dispatch_hpath,
cpu_baseline=self.cpu_baseline, cpu_dispatch=self.cpu_dispatch,
cache_path=opt_cache_path
)
def report(copt):
log.info("\n########### CLIB COMPILER OPTIMIZATION ###########")
log.info(copt.report(full=True))
import atexit
atexit.register(report, self.compiler_opt)
if self.have_f_sources():
from numpy.distutils.fcompiler import new_fcompiler
self._f_compiler = new_fcompiler(compiler=self.fcompiler,
verbose=self.verbose,
dry_run=self.dry_run,
force=self.force,
requiref90='f90' in languages,
c_compiler=self.compiler)
if self._f_compiler is not None:
self._f_compiler.customize(self.distribution)
libraries = self.libraries
self.libraries = None
self._f_compiler.customize_cmd(self)
self.libraries = libraries
self._f_compiler.show_customization()
else:
self._f_compiler = None
self.build_libraries(self.libraries)
if self.inplace:
for l in self.distribution.installed_libraries:
libname = self.compiler.library_filename(l.name)
source = os.path.join(self.build_clib, libname)
target = os.path.join(l.target_dir, libname)
self.mkpath(l.target_dir)
shutil.copy(source, target)
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):
for (lib_name, build_info) in libraries:
self.build_a_library(build_info, lib_name, libraries)
def build_a_library(self, build_info, lib_name, libraries):
# default compilers
compiler = self.compiler
fcompiler = self._f_compiler
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)
c_sources, cxx_sources, f_sources, fmodule_sources \
= filter_sources(sources)
requiref90 = not not fmodule_sources or \
build_info.get('language', 'c') == 'f90'
# save source type information so that build_ext can use it.
source_languages = []
if c_sources:
source_languages.append('c')
if cxx_sources:
source_languages.append('c++')
if requiref90:
source_languages.append('f90')
elif f_sources:
source_languages.append('f77')
build_info['source_languages'] = source_languages
lib_file = compiler.library_filename(lib_name,
output_dir=self.build_clib)
depends = sources + build_info.get('depends', [])
force_rebuild = self.force
if not self.disable_optimization and not self.compiler_opt.is_cached():
log.debug("Detected changes on compiler optimizations")
force_rebuild = True
if not (force_rebuild or newer_group(depends, lib_file, 'newer')):
log.debug("skipping '%s' library (up-to-date)", lib_name)
return
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,))
from numpy.distutils.fcompiler import new_fcompiler
fcompiler = new_fcompiler(compiler=fcompiler.compiler_type,
verbose=self.verbose,
dry_run=self.dry_run,
force=self.force,
requiref90=requiref90,
c_compiler=self.compiler)
if fcompiler is not None:
dist = self.distribution
base_config_fc = dist.get_option_dict('config_fc').copy()
base_config_fc.update(config_fc)
fcompiler.customize(base_config_fc)
# check availability of Fortran compilers
if (f_sources or fmodule_sources) and fcompiler is None:
raise DistutilsError("library %s has Fortran sources"
" but no Fortran compiler found" % (lib_name))
if fcompiler is not None:
fcompiler.extra_f77_compile_args = build_info.get(
'extra_f77_compile_args') or []
fcompiler.extra_f90_compile_args = build_info.get(
'extra_f90_compile_args') or []
macros = build_info.get('macros')
if macros is None:
macros = []
include_dirs = build_info.get('include_dirs')
if include_dirs is None:
include_dirs = []
extra_postargs = build_info.get('extra_compiler_args') or []
include_dirs.extend(get_numpy_include_dirs())
# where compiled F90 module files are:
module_dirs = build_info.get('module_dirs') or []
module_build_dir = os.path.dirname(lib_file)
if requiref90:
self.mkpath(module_build_dir)
if compiler.compiler_type == 'msvc':
# this hack works around the msvc compiler attributes
# problem, msvc uses its own convention :(
c_sources += cxx_sources
cxx_sources = []
# filtering C dispatch-table sources when optimization is not disabled,
# otherwise treated as normal sources.
copt_c_sources = []
copt_cxx_sources = []
copt_baseline_flags = []
copt_macros = []
if not self.disable_optimization:
bsrc_dir = self.get_finalized_command("build_src").build_src
dispatch_hpath = os.path.join("numpy", "distutils", "include")
dispatch_hpath = os.path.join(bsrc_dir, dispatch_hpath)
include_dirs.append(dispatch_hpath)
copt_build_src = None if self.inplace else bsrc_dir
for _srcs, _dst, _ext in (
((c_sources,), copt_c_sources, ('.dispatch.c',)),
((c_sources, cxx_sources), copt_cxx_sources,
('.dispatch.cpp', '.dispatch.cxx'))
):
for _src in _srcs:
_dst += [
_src.pop(_src.index(s))
for s in _src[:] if s.endswith(_ext)
]
copt_baseline_flags = self.compiler_opt.cpu_baseline_flags()
else:
copt_macros.append(("NPY_DISABLE_OPTIMIZATION", 1))
objects = []
if copt_cxx_sources:
log.info("compiling C++ dispatch-able sources")
objects += self.compiler_opt.try_dispatch(
copt_c_sources,
output_dir=self.build_temp,
src_dir=copt_build_src,
macros=macros + copt_macros,
include_dirs=include_dirs,
debug=self.debug,
extra_postargs=extra_postargs,
ccompiler=cxx_compiler
)
if copt_c_sources:
log.info("compiling C dispatch-able sources")
objects += self.compiler_opt.try_dispatch(copt_c_sources,
output_dir=self.build_temp,
src_dir=copt_build_src,
macros=macros + copt_macros,
include_dirs=include_dirs,
debug=self.debug,
extra_postargs=extra_postargs)
if c_sources:
log.info("compiling C sources")
objects += compiler.compile(c_sources,
output_dir=self.build_temp,
macros=macros + copt_macros,
include_dirs=include_dirs,
debug=self.debug,
extra_postargs=extra_postargs + copt_baseline_flags)
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 + copt_macros,
include_dirs=include_dirs,
debug=self.debug,
extra_postargs=extra_postargs + copt_baseline_flags)
objects.extend(cxx_objects)
if f_sources or fmodule_sources:
extra_postargs = []
f_objects = []
if requiref90:
if fcompiler.module_dir_switch is None:
existing_modules = glob('*.mod')
extra_postargs += fcompiler.module_options(
module_dirs, module_build_dir)
if fmodule_sources:
log.info("compiling Fortran 90 module sources")
f_objects += fcompiler.compile(fmodule_sources,
output_dir=self.build_temp,
macros=macros,
include_dirs=include_dirs,
debug=self.debug,
extra_postargs=extra_postargs)
if requiref90 and self._f_compiler.module_dir_switch is None:
# move new compiled F90 module files to module_build_dir
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)
else:
f_objects = []
if f_objects and not fcompiler.can_ccompiler_link(compiler):
# Default linker cannot link Fortran object files, and results
# need to be wrapped later. Instead of creating a real static
# library, just keep track of the object files.
listfn = os.path.join(self.build_clib,
lib_name + '.fobjects')
with open(listfn, 'w') as f:
f.write("\n".join(os.path.abspath(obj) for obj in f_objects))
listfn = os.path.join(self.build_clib,
lib_name + '.cobjects')
with open(listfn, 'w') as f:
f.write("\n".join(os.path.abspath(obj) for obj in objects))
# create empty "library" file for dependency tracking
lib_fname = os.path.join(self.build_clib,
lib_name + compiler.static_lib_extension)
with open(lib_fname, 'wb') as f:
pass
else:
# assume that default linker is suitable for
# linking Fortran object files
objects.extend(f_objects)
compiler.create_static_lib(objects, lib_name,
output_dir=self.build_clib,
debug=self.debug)
# fix library dependencies
clib_libraries = build_info.get('libraries', [])
for lname, binfo in libraries:
if lname in clib_libraries:
clib_libraries.extend(binfo.get('libraries', []))
if clib_libraries:
build_info['libraries'] = clib_libraries
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