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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
import waflib
from numpy.distutils.conv_template \
import \
process_str as process_c_str
from bento.commands import hooks
from bento.utils.utils \
import \
cmd_is_runnable
from bento.backends.waf_backend \
import \
WAF_TOOLDIR
from bento.backends.waf_tools \
import \
blas_lapack
sys.path.insert(0, os.getcwd())
try:
_SETUP_PY = __import__("setup")
finally:
sys.path.pop(0)
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 _generate_cython():
print("Cythonizing sources")
cwd = os.path.abspath(os.path.dirname(__file__))
p = subprocess.call([sys.executable,
os.path.join(cwd, 'tools', 'cythonize.py'),
'numpy'],
cwd=cwd)
if p != 0:
raise RuntimeError("Running cythonize failed!")
@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
blas_lapack.check_blas_lapack(context)
_generate_cython()
@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):
blas_lapack.add_options(global_context)
class CTemplateTask(waflib.Task.Task):
color = 'BLUE'
before = ['c']
def run(self):
s = self.inputs[0]
cnt = s.read()
writestr = process_c_str(cnt)
o = self.outputs[0]
o.write(writestr)
@waflib.TaskGen.extension(".src")
def c_template(self, node):
outs = []
outs.append(node.change_ext(""))
tsk = self.create_task('CTemplateTask', node, outs)
if "c" in self.features and not node.name[-6:] == (".h.src"):
self.source.append(outs[0])
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