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authorDavid Robillard <d@drobilla.net>2019-04-21 23:05:06 +0200
committerDavid Robillard <d@drobilla.net>2019-04-21 23:05:06 +0200
commit202873cf9bfdeb669365a6d76e54ad657c550fe2 (patch)
tree79db4dee998f1ef093c3e81f1d0ea708901ab96c /waflib/extras/halide.py
parentde6492738adf1794bf5fa39c1fe1ebbd167727ac (diff)
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Switch to using a submodule for autowaf
Diffstat (limited to 'waflib/extras/halide.py')
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-rw-r--r--waflib/extras/halide.py151
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diff --git a/waflib b/waflib
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+Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f
diff --git a/waflib/extras/halide.py b/waflib/extras/halide.py
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--- a/waflib/extras/halide.py
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@@ -1,151 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-# Halide code generation tool
-
-__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2014"
-
-"""
-
-Tool to run `Halide <http://halide-lang.org>`_ code generators.
-
-Usage::
-
- bld(
- name='pipeline',
- # ^ Reference this in use="..." for things using the generated code
- #target=['pipeline.o', 'pipeline.h']
- # ^ by default, name.{o,h} is added, but you can set the outputs here
- features='halide',
- halide_env="HL_TRACE=1 HL_TARGET=host-opencl-gpu_debug",
- # ^ Environment passed to the generator,
- # can be a dict, k/v list, or string.
- args=[],
- # ^ Command-line arguments to the generator (optional),
- # eg. to give parameters to the scheduling
- source='pipeline_gen',
- # ^ Name of the source executable
- )
-
-
-Known issues:
-
-
-- Currently only supports Linux (no ".exe")
-
-- Doesn't rerun on input modification when input is part of a build
- chain, and has been modified externally.
-
-"""
-
-import os
-from waflib import Task, Utils, Options, TaskGen, Errors
-
-class run_halide_gen(Task.Task):
- color = 'CYAN'
- vars = ['HALIDE_ENV', 'HALIDE_ARGS']
- run_str = "${SRC[0].abspath()} ${HALIDE_ARGS}"
- def __str__(self):
- stuff = "halide"
- stuff += ("[%s]" % (",".join(
- ('%s=%s' % (k,v)) for k, v in sorted(self.env.env.items()))))
- return Task.Task.__str__(self).replace(self.__class__.__name__,
- stuff)
-
-@TaskGen.feature('halide')
-@TaskGen.before_method('process_source')
-def halide(self):
- Utils.def_attrs(self,
- args=[],
- halide_env={},
- )
-
- bld = self.bld
-
- env = self.halide_env
- try:
- if isinstance(env, str):
- env = dict(x.split('=') for x in env.split())
- elif isinstance(env, list):
- env = dict(x.split('=') for x in env)
- assert isinstance(env, dict)
- except Exception as e:
- if not isinstance(e, ValueError) \
- and not isinstance(e, AssertionError):
- raise
- raise Errors.WafError(
- "halide_env must be under the form" \
- " {'HL_x':'a', 'HL_y':'b'}" \
- " or ['HL_x=y', 'HL_y=b']" \
- " or 'HL_x=y HL_y=b'")
-
- src = self.to_nodes(self.source)
- assert len(src) == 1, "Only one source expected"
- src = src[0]
-
- args = Utils.to_list(self.args)
-
- def change_ext(src, ext):
- # Return a node with a new extension, in an appropriate folder
- name = src.name
- xpos = src.name.rfind('.')
- if xpos == -1:
- xpos = len(src.name)
- newname = name[:xpos] + ext
- if src.is_child_of(bld.bldnode):
- node = src.get_src().parent.find_or_declare(newname)
- else:
- node = bld.bldnode.find_or_declare(newname)
- return node
-
- def to_nodes(self, lst, path=None):
- tmp = []
- path = path or self.path
- find = path.find_or_declare
-
- if isinstance(lst, self.path.__class__):
- lst = [lst]
-
- for x in Utils.to_list(lst):
- if isinstance(x, str):
- node = find(x)
- else:
- node = x
- tmp.append(node)
- return tmp
-
- tgt = to_nodes(self, self.target)
- if not tgt:
- tgt = [change_ext(src, '.o'), change_ext(src, '.h')]
- cwd = tgt[0].parent.abspath()
- task = self.create_task('run_halide_gen', src, tgt, cwd=cwd)
- task.env.append_unique('HALIDE_ARGS', args)
- if task.env.env == []:
- task.env.env = {}
- task.env.env.update(env)
- task.env.HALIDE_ENV = " ".join(("%s=%s" % (k,v)) for (k,v) in sorted(env.items()))
- task.env.HALIDE_ARGS = args
-
- try:
- self.compiled_tasks.append(task)
- except AttributeError:
- self.compiled_tasks = [task]
- self.source = []
-
-def configure(conf):
- if Options.options.halide_root is None:
- conf.check_cfg(package='Halide', args='--cflags --libs')
- else:
- halide_root = Options.options.halide_root
- conf.env.INCLUDES_HALIDE = [ os.path.join(halide_root, "include") ]
- conf.env.LIBPATH_HALIDE = [ os.path.join(halide_root, "lib") ]
- conf.env.LIB_HALIDE = ["Halide"]
-
- # You might want to add this, while upstream doesn't fix it
- #conf.env.LIB_HALIDE += ['ncurses', 'dl', 'pthread']
-
-def options(opt):
- opt.add_option('--halide-root',
- help="path to Halide include and lib files",
- )
-