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import os
import sys
import shutil
# 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.installed_package_description \
import \
InstalledSection
from bento.commands import hooks
from bento.commands.extras.waf \
import \
ConfigureWafContext, BuildWafContext, register_options
import waflib
def check_blas_lapack(conf):
conf.env.HAS_CBLAS = False
if sys.platform == "win32":
print("No blas/lapack check implemented on win32")
elif sys.platform == "darwin":
try:
conf.check(framework="Accelerate", msg="Checking for framework Accelerate", uselib_store="CBLAS")
conf.env.HAS_CBLAS = True
conf.check(framework="Accelerate", msg="Checking for framework Accelerate", uselib_store="LAPACK")
conf.env.HAS_LAPACK = True
except waflib.Errors.ConfigurationError:
pass
else:
try:
conf.check_cc(lib=["cblas", "atlas"], uselib_store="CBLAS")
conf.env.HAS_CBLAS = True
conf.check_cc(lib=["lapack", "f77blas", "cblas", "atlas"],
uselib_store="LAPACK")
conf.env.HAS_LAPACK = True
except waflib.Errors.ConfigurationError:
pass
# 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 remove_flag(name, flag):
while True:
if name in flag:
i = flag.index(name)
flag.pop(i)
else:
break
def remove_flag_postvalue(name, flag):
while True:
if name in flag:
i = flag.index(name)
flag.pop(i)
flag.pop(i)
else:
break
def remove_flag_prevalue(name, flag):
while True:
if name in flag:
i = flag.index(name)
flag.pop(i-1)
flag.pop(i-1)
else:
break
@hooks.pre_configure()
def pre_configure(context):
conf = context.waf_context
conf.load("compiler_c")
conf.load("python")
conf.check_python_version((2, 4, 0))
conf.check_python_headers()
if sys.platform == "darwin":
# FIXME: fix upstream waf tool to work on mac os X
conf.env.CC = ["/usr/bin/gcc-4.0"]
conf.env.LINK_CC = ["/usr/bin/gcc-4.0"]
# FIXME: fix upstream waf tool to avoid linking against libpython2.6.so
# (cause crashes when importing the extension)
name = "python%s" % ".".join([str(i) for i in sys.version_info[:2]])
remove_flag(name, conf.env.LIB_PYEXT)
remove_flag("-dynamiclib", conf.env.LINKFLAGS_cshlib)
remove_flag_postvalue("-compatibility_version", conf.env.CFLAGS_cshlib)
remove_flag_postvalue("-current_version", conf.env.CFLAGS_cshlib)
remove_flag_prevalue("ppc", conf.env.CFLAGS_PYEXT)
remove_flag_prevalue("ppc", conf.env.LINKFLAGS_PYEXT)
conf.env.LINKFLAGS_cshlib.extend(["-undefined", "dynamic_lookup", "-bundle"])
conf.env["MACOSX_DEPLOYMENT_TARGET"] = "10.4"
conf.env.CFLAGS_PYEXT.append("-Wfatal-errors")
check_blas_lapack(conf)
# FIXME: abstract those module gen tasks...
class write_module(waflib.Task.Task):
color = "CYAN"
vars = ["CONTENT"]
def run(self):
# FIXME: put actual data here
self.outputs[0].write(self.env.CONTENT)
@waflib.TaskGen.feature("gen_pymodule")
def process_write_config(self):
if not hasattr(self, "content"):
raise ValueError("task gen %r expects a 'content' argument" % self.name)
else:
self.env.CONTENT = self.content
output = self.path.find_or_declare(self.target)
name = getattr(self, "name", None) or self.target
bento_context = self.bld.bento_context
b_output = bento_context.build_node.make_node(output.bldpath())
bento_context.outputs_registry.register_outputs(
"gen_pymodule", name, [b_output], bento_context.build_node, "$sitedir")
tsk = self.create_task("write_module")
tsk.set_outputs(output)
return tsk
@hooks.pre_build()
def pre_build(context):
bld = context.waf_context
def iregistrer(category, name, nodes, from_node, target_dir):
source_dir = os.path.join("$_srcrootdir", from_node.bldpath())
files = [n.path_from(from_node) for n in nodes]
return InstalledSection.from_source_target_directories(category, name, source_dir, target_dir, files)
context.isection_registry.register_category("gen_pymodule", iregistrer)
context.outputs_registry.register_category("gen_pymodule", "pythonfiles")
bld(features="gen_pymodule",
target="numpy/__config__.py",
content="""\
def show():
pass
""",
always=True)
bld(features="gen_pymodule",
target="numpy/version.py",
content="""\
git_revision = ""
version = ""
""",
always=True)
@hooks.options
def options(context):
register_options(context)
@hooks.startup
def startup(context):
context.register_context("configure", ConfigureWafContext)
context.register_context("build", BuildWafContext)
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