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"""
See BENTO_BUILD.txt.
Caveats:
- no automatic detection for BLAS/LAPACK/etc... You need to set it up
manually for now (except on Mac OS X and Debian/Ubuntu). The upside is
that it is extremely easy to do so
- bento is still in flux, and some things may changes between releases.
"""
import os
import sys
import subprocess
# Ugly but necessary hack: import numpy here so that wscript in sub directories
# will see this numpy and not an already installed one
import __builtin__
__builtin__.__NUMPY_SETUP__ = True
from bento.commands import hooks
from bento.utils.utils \
import \
cmd_is_runnable
from bento.backends.waf_backend \
import \
WAF_TOOLDIR
import waflib
from waflib import Options
sys.path.insert(0, os.getcwd())
try:
_SETUP_PY = __import__("setup")
finally:
sys.path.pop(0)
import collections
_PLATFORM_TO_DEFAULT = collections.defaultdict(lambda: "atlas")
_PLATFORM_TO_DEFAULT.update({
"win32": "mkl",
"darwin": "accelerate",
})
_OPTIMIZED_CBLAS_TO_KWARGS = {
"mkl": {"lib": "mkl_intel_c,mkl_intel_thread,mkl_core,libiomp5md".split(",")},
"atlas": {"lib": ["cblas", "atlas"]},
"accelerate": {"framework": ["Accelerate"]},
"openblas": {"lib": ["openblas"]},
}
_OPTIMIZED_LAPACK_TO_KWARGS = {
"mkl": {"lib": "mkl_lapack95,mkl_blas95,mkl_intel_c,mkl_intel_thread,mkl_core,libiomp5md".split(",")},
"atlas": {"lib": ["lapack", "f77blas", "cblas", "atlas"]},
"accelerate": {"framework": ["Accelerate"]},
"openblas": {"lib": ["openblas"]},
}
def get_optimized_name(context):
o, a = context.options_context.parser.parse_args(context.command_argv)
if o.blas_lapack_type == "default" or o.blas_lapack_type is None:
optimized = _PLATFORM_TO_DEFAULT[sys.platform]
else:
optimized = o.blas_lapack_type
return optimized
def check_cblas(context, optimized):
conf = context.waf_context
msg = "Checking for %s (CBLAS)" % optimized.upper()
kwargs = _OPTIMIZED_CBLAS_TO_KWARGS[optimized]
kwargs.update({"msg": msg, "uselib_store": "CBLAS"})
try:
conf.check_cc(**kwargs)
conf.env.HAS_CBLAS = True
except waflib.Errors.ConfigurationError:
conf.env.HAS_CBLAS = False
def check_lapack(context, optimized):
conf = context.waf_context
msg = "Checking for %s (LAPACK)" % optimized.upper()
if optimized in ["openblas", "atlas"]:
check_fortran(context)
kwargs = _OPTIMIZED_LAPACK_TO_KWARGS[optimized]
kwargs.update({"msg": msg, "uselib_store": "LAPACK"})
try:
conf.check_cc(**kwargs)
conf.env.HAS_LAPACK = True
except waflib.Errors.ConfigurationError:
conf.env.HAS_LAPACK = False
def check_blas_lapack(context):
optimized = get_optimized_name(context)
o, a = context.options_context.parser.parse_args(context.command_argv)
if o.blas_lapack_libdir:
context.waf_context.env.append_value("LIBPATH", o.blas_lapack_libdir)
check_cblas(context, optimized)
check_lapack(context, optimized)
# You can manually set up blas/lapack as follows:
#conf.env.HAS_CBLAS = True
#conf.env.LIB_CBLAS = ["cblas", "atlas"]
#conf.env.HAS_LAPACK = True
#conf.env.LIB_LAPACK = ["lapack", "f77blas", "cblas", "atlas"]
def compute_git_revision(top_node):
git_repo_node = top_node.find_node(".git")
if git_repo_node and cmd_is_runnable(["git", "--version"]):
s = subprocess.Popen(["git", "rev-parse", "HEAD"],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT, cwd=top_node.abspath())
out = s.communicate()[0]
return out.decode().strip()
else:
return ""
def _register_metadata(context):
git_revision = compute_git_revision(context.top_node)
full_version = context.pkg.version
if not _SETUP_PY.ISRELEASED:
full_version += '.dev-' + git_revision[:7]
context.register_metadata("git_revision", git_revision)
context.register_metadata("is_released", _SETUP_PY.ISRELEASED)
context.register_metadata("full_version", full_version)
def check_fortran(context):
opts = context.waf_options_context
conf = context.waf_context
opts.load("compiler_fc")
Options.options.check_fc = "gfortran"
conf.load("compiler_fc")
conf.load("ordered_c", tooldir=[WAF_TOOLDIR])
conf.check_fortran_verbose_flag()
conf.check_fortran_clib()
@hooks.post_configure
def post_configure(context):
conf = context.waf_context
if conf.env["CC_NAME"] == "gcc":
conf.env.CFLAGS_PYEXT.append("-Wfatal-errors")
conf.load("arch", tooldir=[WAF_TOOLDIR])
if sys.platform == "darwin":
conf.env["MACOSX_DEPLOYMENT_TARGET"] = "10.4"
conf.check_cc_default_arch()
archs = [conf.env.DEFAULT_CC_ARCH]
conf.env.ARCH = archs
check_blas_lapack(context)
@hooks.pre_build
def pre_build(context):
_register_metadata(context)
@hooks.pre_sdist
def pre_sdist(context):
_register_metadata(context)
@hooks.options
def options(global_context):
from bento.commands.options import Option
global_context.add_option_group("configure", "blas_lapack", "blas/lapack")
available_optimized = ",".join(_OPTIMIZED_LAPACK_TO_KWARGS.keys())
global_context.add_option("configure",
Option("--blas-lapack-type", help="Which blas lapack to use (%s)" % available_optimized),
"blas_lapack")
global_context.add_option("configure",
Option("--with-blas-lapack-libdir", dest="blas_lapack_libdir",
help="Where to look for BLAS/LAPACK dir"),
"blas_lapack")
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