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"""
unixccompiler - can handle very long argument lists for ar.
"""
from __future__ import division, absolute_import, print_function
import os
from distutils.errors import DistutilsExecError, CompileError
from distutils.unixccompiler import *
from numpy.distutils.ccompiler import replace_method
from numpy.distutils.compat import get_exception
from numpy.distutils.misc_util import _commandline_dep_string
if sys.version_info[0] < 3:
from . import log
else:
from numpy.distutils import log
# Note that UnixCCompiler._compile appeared in Python 2.3
def UnixCCompiler__compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts):
"""Compile a single source files with a Unix-style compiler."""
# HP ad-hoc fix, see ticket 1383
ccomp = self.compiler_so
if ccomp[0] == 'aCC':
# remove flags that will trigger ANSI-C mode for aCC
if '-Ae' in ccomp:
ccomp.remove('-Ae')
if '-Aa' in ccomp:
ccomp.remove('-Aa')
# add flags for (almost) sane C++ handling
ccomp += ['-AA']
self.compiler_so = ccomp
# ensure OPT environment variable is read
if 'OPT' in os.environ:
from distutils.sysconfig import get_config_vars
opt = " ".join(os.environ['OPT'].split())
gcv_opt = " ".join(get_config_vars('OPT')[0].split())
ccomp_s = " ".join(self.compiler_so)
if opt not in ccomp_s:
ccomp_s = ccomp_s.replace(gcv_opt, opt)
self.compiler_so = ccomp_s.split()
llink_s = " ".join(self.linker_so)
if opt not in llink_s:
self.linker_so = llink_s.split() + opt.split()
display = '%s: %s' % (os.path.basename(self.compiler_so[0]), src)
# gcc style automatic dependencies, outputs a makefile (-MF) that lists
# all headers needed by a c file as a side effect of compilation (-MMD)
if getattr(self, '_auto_depends', False):
deps = ['-MMD', '-MF', obj + '.d']
else:
deps = []
try:
self.spawn(self.compiler_so + cc_args + [src, '-o', obj] + deps +
extra_postargs, display = display)
except DistutilsExecError:
msg = str(get_exception())
raise CompileError(msg)
# add commandline flags to dependency file
with open(obj + '.d', 'a') as f:
f.write(_commandline_dep_string(cc_args, extra_postargs, pp_opts))
replace_method(UnixCCompiler, '_compile', UnixCCompiler__compile)
def UnixCCompiler_create_static_lib(self, objects, output_libname,
output_dir=None, debug=0, target_lang=None):
"""
Build a static library in a separate sub-process.
Parameters
----------
objects : list or tuple of str
List of paths to object files used to build the static library.
output_libname : str
The library name as an absolute or relative (if `output_dir` is used)
path.
output_dir : str, optional
The path to the output directory. Default is None, in which case
the ``output_dir`` attribute of the UnixCCompiler instance.
debug : bool, optional
This parameter is not used.
target_lang : str, optional
This parameter is not used.
Returns
-------
None
"""
objects, output_dir = self._fix_object_args(objects, output_dir)
output_filename = \
self.library_filename(output_libname, output_dir=output_dir)
if self._need_link(objects, output_filename):
try:
# previous .a may be screwed up; best to remove it first
# and recreate.
# Also, ar on OS X doesn't handle updating universal archives
os.unlink(output_filename)
except (IOError, OSError):
pass
self.mkpath(os.path.dirname(output_filename))
tmp_objects = objects + self.objects
while tmp_objects:
objects = tmp_objects[:50]
tmp_objects = tmp_objects[50:]
display = '%s: adding %d object files to %s' % (
os.path.basename(self.archiver[0]),
len(objects), output_filename)
self.spawn(self.archiver + [output_filename] + objects,
display = display)
# Not many Unices required ranlib anymore -- SunOS 4.x is, I
# think the only major Unix that does. Maybe we need some
# platform intelligence here to skip ranlib if it's not
# needed -- or maybe Python's configure script took care of
# it for us, hence the check for leading colon.
if self.ranlib:
display = '%s:@ %s' % (os.path.basename(self.ranlib[0]),
output_filename)
try:
self.spawn(self.ranlib + [output_filename],
display = display)
except DistutilsExecError:
msg = str(get_exception())
raise LibError(msg)
else:
log.debug("skipping %s (up-to-date)", output_filename)
return
replace_method(UnixCCompiler, 'create_static_lib',
UnixCCompiler_create_static_lib)
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