mirror of
https://gitlab.com/ita1024/waf.git
synced 2024-11-29 05:21:23 +01:00
696 lines
20 KiB
Python
696 lines
20 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Thomas Nagy, 2006-2010 (ita)
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"""
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Tool Description
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================
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This tool helps with finding Qt4 tools and libraries,
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and also provides syntactic sugar for using Qt4 tools.
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The following snippet illustrates the tool usage::
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def options(opt):
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opt.load('compiler_cxx qt4')
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def configure(conf):
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conf.load('compiler_cxx qt4')
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def build(bld):
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bld(
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features = 'qt4 cxx cxxprogram',
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uselib = 'QTCORE QTGUI QTOPENGL QTSVG',
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source = 'main.cpp textures.qrc aboutDialog.ui',
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target = 'window',
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)
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Here, the UI description and resource files will be processed
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to generate code.
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Usage
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=====
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Load the "qt4" tool.
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You also need to edit your sources accordingly:
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- the normal way of doing things is to have your C++ files
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include the .moc file.
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This is regarded as the best practice (and provides much faster
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compilations).
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It also implies that the include paths have beenset properly.
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- to have the include paths added automatically, use the following::
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from waflib.TaskGen import feature, before_method, after_method
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@feature('cxx')
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@after_method('process_source')
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@before_method('apply_incpaths')
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def add_includes_paths(self):
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incs = set(self.to_list(getattr(self, 'includes', '')))
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for x in self.compiled_tasks:
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incs.add(x.inputs[0].parent.path_from(self.path))
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self.includes = sorted(incs)
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Note: another tool provides Qt processing that does not require
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.moc includes, see 'playground/slow_qt/'.
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A few options (--qt{dir,bin,...}) and environment variables
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(QT4_{ROOT,DIR,MOC,UIC,XCOMPILE}) allow finer tuning of the tool,
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tool path selection, etc; please read the source for more info.
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"""
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try:
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from xml.sax import make_parser
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from xml.sax.handler import ContentHandler
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except ImportError:
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has_xml = False
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ContentHandler = object
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else:
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has_xml = True
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import os, sys
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from waflib.Tools import cxx
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from waflib import Task, Utils, Options, Errors, Context
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from waflib.TaskGen import feature, after_method, extension
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from waflib.Configure import conf
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from waflib import Logs
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MOC_H = ['.h', '.hpp', '.hxx', '.hh']
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"""
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File extensions associated to the .moc files
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"""
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EXT_RCC = ['.qrc']
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"""
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File extension for the resource (.qrc) files
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"""
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EXT_UI = ['.ui']
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"""
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File extension for the user interface (.ui) files
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"""
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EXT_QT4 = ['.cpp', '.cc', '.cxx', '.C']
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"""
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File extensions of C++ files that may require a .moc processing
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"""
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QT4_LIBS = "QtCore QtGui QtUiTools QtNetwork QtOpenGL QtSql QtSvg QtTest QtXml QtXmlPatterns QtWebKit Qt3Support QtHelp QtScript QtDeclarative QtDesigner"
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class qxx(Task.classes['cxx']):
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"""
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Each C++ file can have zero or several .moc files to create.
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They are known only when the files are scanned (preprocessor)
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To avoid scanning the c++ files each time (parsing C/C++), the results
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are retrieved from the task cache (bld.node_deps/bld.raw_deps).
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The moc tasks are also created *dynamically* during the build.
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"""
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def __init__(self, *k, **kw):
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Task.Task.__init__(self, *k, **kw)
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self.moc_done = 0
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def runnable_status(self):
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"""
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Compute the task signature to make sure the scanner was executed. Create the
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moc tasks by using :py:meth:`waflib.Tools.qt4.qxx.add_moc_tasks` (if necessary),
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then postpone the task execution (there is no need to recompute the task signature).
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"""
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if self.moc_done:
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return Task.Task.runnable_status(self)
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else:
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for t in self.run_after:
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if not t.hasrun:
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return Task.ASK_LATER
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self.add_moc_tasks()
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return Task.Task.runnable_status(self)
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def create_moc_task(self, h_node, m_node):
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"""
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If several libraries use the same classes, it is possible that moc will run several times (Issue 1318)
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It is not possible to change the file names, but we can assume that the moc transformation will be identical,
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and the moc tasks can be shared in a global cache.
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The defines passed to moc will then depend on task generator order. If this is not acceptable, then
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use the tool slow_qt4 instead (and enjoy the slow builds... :-( )
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"""
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try:
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moc_cache = self.generator.bld.moc_cache
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except AttributeError:
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moc_cache = self.generator.bld.moc_cache = {}
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try:
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return moc_cache[h_node]
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except KeyError:
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tsk = moc_cache[h_node] = Task.classes['moc'](env=self.env, generator=self.generator)
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tsk.set_inputs(h_node)
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tsk.set_outputs(m_node)
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if self.generator:
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self.generator.tasks.append(tsk)
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# direct injection in the build phase (safe because called from the main thread)
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gen = self.generator.bld.producer
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gen.outstanding.append(tsk)
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gen.total += 1
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return tsk
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def moc_h_ext(self):
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ext = []
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try:
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ext = Options.options.qt_header_ext.split()
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except AttributeError:
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pass
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if not ext:
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ext = MOC_H
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return ext
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def add_moc_tasks(self):
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"""
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Create the moc tasks by looking in ``bld.raw_deps[self.uid()]``
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"""
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node = self.inputs[0]
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bld = self.generator.bld
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try:
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# compute the signature once to know if there is a moc file to create
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self.signature()
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except KeyError:
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# the moc file may be referenced somewhere else
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pass
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else:
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# remove the signature, it must be recomputed with the moc task
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delattr(self, 'cache_sig')
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include_nodes = [node.parent] + self.generator.includes_nodes
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moctasks = []
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mocfiles = set()
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for d in bld.raw_deps.get(self.uid(), []):
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if not d.endswith('.moc'):
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continue
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# process that base.moc only once
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if d in mocfiles:
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continue
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mocfiles.add(d)
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# find the source associated with the moc file
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h_node = None
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base2 = d[:-4]
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for x in include_nodes:
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for e in self.moc_h_ext():
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h_node = x.find_node(base2 + e)
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if h_node:
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break
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if h_node:
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m_node = h_node.change_ext('.moc')
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break
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else:
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# foo.cpp -> foo.cpp.moc
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for k in EXT_QT4:
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if base2.endswith(k):
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for x in include_nodes:
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h_node = x.find_node(base2)
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if h_node:
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break
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if h_node:
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m_node = h_node.change_ext(k + '.moc')
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break
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if not h_node:
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raise Errors.WafError('No source found for %r which is a moc file' % d)
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# create the moc task
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task = self.create_moc_task(h_node, m_node)
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moctasks.append(task)
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# simple scheduler dependency: run the moc task before others
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self.run_after.update(set(moctasks))
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self.moc_done = 1
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class trans_update(Task.Task):
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"""Update a .ts files from a list of C++ files"""
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run_str = '${QT_LUPDATE} ${SRC} -ts ${TGT}'
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color = 'BLUE'
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class XMLHandler(ContentHandler):
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"""
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Parser for *.qrc* files
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"""
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def __init__(self):
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self.buf = []
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self.files = []
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def startElement(self, name, attrs):
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if name == 'file':
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self.buf = []
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def endElement(self, name):
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if name == 'file':
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self.files.append(str(''.join(self.buf)))
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def characters(self, cars):
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self.buf.append(cars)
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@extension(*EXT_RCC)
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def create_rcc_task(self, node):
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"Create rcc and cxx tasks for *.qrc* files"
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rcnode = node.change_ext('_rc.cpp')
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self.create_task('rcc', node, rcnode)
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cpptask = self.create_task('cxx', rcnode, rcnode.change_ext('.o'))
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try:
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self.compiled_tasks.append(cpptask)
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except AttributeError:
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self.compiled_tasks = [cpptask]
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return cpptask
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@extension(*EXT_UI)
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def create_uic_task(self, node):
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"hook for uic tasks"
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uictask = self.create_task('ui4', node)
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uictask.outputs = [self.path.find_or_declare(self.env['ui_PATTERN'] % node.name[:-3])]
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@extension('.ts')
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def add_lang(self, node):
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"""add all the .ts file into self.lang"""
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self.lang = self.to_list(getattr(self, 'lang', [])) + [node]
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@feature('qt4')
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@after_method('apply_link')
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def apply_qt4(self):
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"""
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Add MOC_FLAGS which may be necessary for moc::
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def build(bld):
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bld.program(features='qt4', source='main.cpp', target='app', use='QTCORE')
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The additional parameters are:
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:param lang: list of translation files (\\*.ts) to process
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:type lang: list of :py:class:`waflib.Node.Node` or string without the .ts extension
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:param update: whether to process the C++ files to update the \\*.ts files (use **waf --translate**)
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:type update: bool
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:param langname: if given, transform the \\*.ts files into a .qrc files to include in the binary file
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:type langname: :py:class:`waflib.Node.Node` or string without the .qrc extension
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"""
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if getattr(self, 'lang', None):
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qmtasks = []
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for x in self.to_list(self.lang):
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if isinstance(x, str):
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x = self.path.find_resource(x + '.ts')
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qmtasks.append(self.create_task('ts2qm', x, x.change_ext('.qm')))
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if getattr(self, 'update', None) and Options.options.trans_qt4:
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cxxnodes = [a.inputs[0] for a in self.compiled_tasks] + [
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a.inputs[0] for a in self.tasks if getattr(a, 'inputs', None) and a.inputs[0].name.endswith('.ui')]
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for x in qmtasks:
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self.create_task('trans_update', cxxnodes, x.inputs)
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if getattr(self, 'langname', None):
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qmnodes = [x.outputs[0] for x in qmtasks]
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rcnode = self.langname
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if isinstance(rcnode, str):
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rcnode = self.path.find_or_declare(rcnode + '.qrc')
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t = self.create_task('qm2rcc', qmnodes, rcnode)
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k = create_rcc_task(self, t.outputs[0])
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self.link_task.inputs.append(k.outputs[0])
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lst = []
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for flag in self.to_list(self.env['CXXFLAGS']):
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if len(flag) < 2:
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continue
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f = flag[0:2]
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if f in ('-D', '-I', '/D', '/I'):
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if (f[0] == '/'):
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lst.append('-' + flag[1:])
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else:
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lst.append(flag)
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self.env.append_value('MOC_FLAGS', lst)
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@extension(*EXT_QT4)
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def cxx_hook(self, node):
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"""
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Re-map C++ file extensions to the :py:class:`waflib.Tools.qt4.qxx` task.
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"""
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return self.create_compiled_task('qxx', node)
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class rcc(Task.Task):
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"""
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Process *.qrc* files
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"""
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color = 'BLUE'
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run_str = '${QT_RCC} -name ${tsk.rcname()} ${SRC[0].abspath()} ${RCC_ST} -o ${TGT}'
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ext_out = ['.h']
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def rcname(self):
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return os.path.splitext(self.inputs[0].name)[0]
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def scan(self):
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"""Parse the *.qrc* files"""
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if not has_xml:
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Logs.error('no xml support was found, the rcc dependencies will be incomplete!')
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return ([], [])
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parser = make_parser()
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curHandler = XMLHandler()
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parser.setContentHandler(curHandler)
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fi = open(self.inputs[0].abspath(), 'r')
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try:
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parser.parse(fi)
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finally:
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fi.close()
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nodes = []
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names = []
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root = self.inputs[0].parent
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for x in curHandler.files:
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nd = root.find_resource(x)
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if nd:
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nodes.append(nd)
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else:
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names.append(x)
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return (nodes, names)
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class moc(Task.Task):
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"""
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Create *.moc* files
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"""
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color = 'BLUE'
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run_str = '${QT_MOC} ${MOC_FLAGS} ${MOCCPPPATH_ST:INCPATHS} ${MOCDEFINES_ST:DEFINES} ${SRC} ${MOC_ST} ${TGT}'
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def keyword(self):
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return "Creating"
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def __str__(self):
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return self.outputs[0].path_from(self.generator.bld.launch_node())
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class ui4(Task.Task):
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"""
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Process *.ui* files
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"""
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color = 'BLUE'
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run_str = '${QT_UIC} ${SRC} -o ${TGT}'
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ext_out = ['.h']
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class ts2qm(Task.Task):
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"""
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Create *.qm* files from *.ts* files
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"""
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color = 'BLUE'
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run_str = '${QT_LRELEASE} ${QT_LRELEASE_FLAGS} ${SRC} -qm ${TGT}'
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class qm2rcc(Task.Task):
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"""
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Transform *.qm* files into *.rc* files
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"""
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color = 'BLUE'
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after = 'ts2qm'
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def run(self):
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"""Create a qrc file including the inputs"""
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txt = '\n'.join(['<file>%s</file>' % k.path_from(self.outputs[0].parent) for k in self.inputs])
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code = '<!DOCTYPE RCC><RCC version="1.0">\n<qresource>\n%s\n</qresource>\n</RCC>' % txt
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self.outputs[0].write(code)
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def configure(self):
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"""
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Besides the configuration options, the environment variable QT4_ROOT may be used
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to give the location of the qt4 libraries (absolute path).
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The detection will use the program *pkg-config* through :py:func:`waflib.Tools.config_c.check_cfg`
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"""
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self.find_qt4_binaries()
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self.set_qt4_libs_to_check()
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self.set_qt4_defines()
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self.find_qt4_libraries()
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self.add_qt4_rpath()
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self.simplify_qt4_libs()
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@conf
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def find_qt4_binaries(self):
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env = self.env
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opt = Options.options
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qtdir = getattr(opt, 'qtdir', '')
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qtbin = getattr(opt, 'qtbin', '')
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paths = []
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if qtdir:
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qtbin = os.path.join(qtdir, 'bin')
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# the qt directory has been given from QT4_ROOT - deduce the qt binary path
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if not qtdir:
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qtdir = os.environ.get('QT4_ROOT', '')
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qtbin = os.environ.get('QT4_BIN') or os.path.join(qtdir, 'bin')
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if qtbin:
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paths = [qtbin]
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# no qtdir, look in the path and in /usr/local/Trolltech
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if not qtdir:
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paths = os.environ.get('PATH', '').split(os.pathsep)
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paths.append('/usr/share/qt4/bin/')
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try:
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lst = Utils.listdir('/usr/local/Trolltech/')
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except OSError:
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pass
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else:
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if lst:
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lst.sort()
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lst.reverse()
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# keep the highest version
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qtdir = '/usr/local/Trolltech/%s/' % lst[0]
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qtbin = os.path.join(qtdir, 'bin')
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paths.append(qtbin)
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# at the end, try to find qmake in the paths given
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# keep the one with the highest version
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cand = None
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prev_ver = ['4', '0', '0']
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for qmk in ('qmake-qt4', 'qmake4', 'qmake'):
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try:
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qmake = self.find_program(qmk, path_list=paths)
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except self.errors.ConfigurationError:
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pass
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else:
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try:
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version = self.cmd_and_log(qmake + ['-query', 'QT_VERSION']).strip()
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except self.errors.WafError:
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pass
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else:
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if version:
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new_ver = version.split('.')
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if new_ver > prev_ver:
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cand = qmake
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prev_ver = new_ver
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if cand:
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self.env.QMAKE = cand
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else:
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self.fatal('Could not find qmake for qt4')
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qtbin = self.cmd_and_log(self.env.QMAKE + ['-query', 'QT_INSTALL_BINS']).strip() + os.sep
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def find_bin(lst, var):
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if var in env:
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return
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for f in lst:
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try:
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ret = self.find_program(f, path_list=paths)
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except self.errors.ConfigurationError:
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pass
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else:
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env[var]=ret
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break
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find_bin(['uic-qt3', 'uic3'], 'QT_UIC3')
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find_bin(['uic-qt4', 'uic'], 'QT_UIC')
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if not env.QT_UIC:
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self.fatal('cannot find the uic compiler for qt4')
|
|
|
|
self.start_msg('Checking for uic version')
|
|
uicver = self.cmd_and_log(env.QT_UIC + ["-version"], output=Context.BOTH)
|
|
uicver = ''.join(uicver).strip()
|
|
uicver = uicver.replace('Qt User Interface Compiler ','').replace('User Interface Compiler for Qt', '')
|
|
self.end_msg(uicver)
|
|
if uicver.find(' 3.') != -1:
|
|
self.fatal('this uic compiler is for qt3, add uic for qt4 to your path')
|
|
|
|
find_bin(['moc-qt4', 'moc'], 'QT_MOC')
|
|
find_bin(['rcc-qt4', 'rcc'], 'QT_RCC')
|
|
find_bin(['lrelease-qt4', 'lrelease'], 'QT_LRELEASE')
|
|
find_bin(['lupdate-qt4', 'lupdate'], 'QT_LUPDATE')
|
|
|
|
env['UIC3_ST']= '%s -o %s'
|
|
env['UIC_ST'] = '%s -o %s'
|
|
env['MOC_ST'] = '-o'
|
|
env['ui_PATTERN'] = 'ui_%s.h'
|
|
env['QT_LRELEASE_FLAGS'] = ['-silent']
|
|
env.MOCCPPPATH_ST = '-I%s'
|
|
env.MOCDEFINES_ST = '-D%s'
|
|
|
|
@conf
|
|
def find_qt4_libraries(self):
|
|
qtlibs = getattr(Options.options, 'qtlibs', None) or os.environ.get("QT4_LIBDIR")
|
|
if not qtlibs:
|
|
try:
|
|
qtlibs = self.cmd_and_log(self.env.QMAKE + ['-query', 'QT_INSTALL_LIBS']).strip()
|
|
except Errors.WafError:
|
|
qtdir = self.cmd_and_log(self.env.QMAKE + ['-query', 'QT_INSTALL_PREFIX']).strip() + os.sep
|
|
qtlibs = os.path.join(qtdir, 'lib')
|
|
self.msg('Found the Qt4 libraries in', qtlibs)
|
|
|
|
qtincludes = os.environ.get("QT4_INCLUDES") or self.cmd_and_log(self.env.QMAKE + ['-query', 'QT_INSTALL_HEADERS']).strip()
|
|
env = self.env
|
|
if not 'PKG_CONFIG_PATH' in os.environ:
|
|
os.environ['PKG_CONFIG_PATH'] = '%s:%s/pkgconfig:/usr/lib/qt4/lib/pkgconfig:/opt/qt4/lib/pkgconfig:/usr/lib/qt4/lib:/opt/qt4/lib' % (qtlibs, qtlibs)
|
|
|
|
try:
|
|
if os.environ.get("QT4_XCOMPILE"):
|
|
raise self.errors.ConfigurationError()
|
|
self.check_cfg(atleast_pkgconfig_version='0.1')
|
|
except self.errors.ConfigurationError:
|
|
for i in self.qt4_vars:
|
|
uselib = i.upper()
|
|
if Utils.unversioned_sys_platform() == "darwin":
|
|
# Since at least qt 4.7.3 each library locates in separate directory
|
|
frameworkName = i + ".framework"
|
|
qtDynamicLib = os.path.join(qtlibs, frameworkName, i)
|
|
if os.path.exists(qtDynamicLib):
|
|
env.append_unique('FRAMEWORK_' + uselib, i)
|
|
self.msg('Checking for %s' % i, qtDynamicLib, 'GREEN')
|
|
else:
|
|
self.msg('Checking for %s' % i, False, 'YELLOW')
|
|
env.append_unique('INCLUDES_' + uselib, os.path.join(qtlibs, frameworkName, 'Headers'))
|
|
elif env.DEST_OS != "win32":
|
|
qtDynamicLib = os.path.join(qtlibs, "lib" + i + ".so")
|
|
qtStaticLib = os.path.join(qtlibs, "lib" + i + ".a")
|
|
if os.path.exists(qtDynamicLib):
|
|
env.append_unique('LIB_' + uselib, i)
|
|
self.msg('Checking for %s' % i, qtDynamicLib, 'GREEN')
|
|
elif os.path.exists(qtStaticLib):
|
|
env.append_unique('LIB_' + uselib, i)
|
|
self.msg('Checking for %s' % i, qtStaticLib, 'GREEN')
|
|
else:
|
|
self.msg('Checking for %s' % i, False, 'YELLOW')
|
|
|
|
env.append_unique('LIBPATH_' + uselib, qtlibs)
|
|
env.append_unique('INCLUDES_' + uselib, qtincludes)
|
|
env.append_unique('INCLUDES_' + uselib, os.path.join(qtincludes, i))
|
|
else:
|
|
# Release library names are like QtCore4
|
|
for k in ("lib%s.a", "lib%s4.a", "%s.lib", "%s4.lib"):
|
|
lib = os.path.join(qtlibs, k % i)
|
|
if os.path.exists(lib):
|
|
env.append_unique('LIB_' + uselib, i + k[k.find("%s") + 2 : k.find('.')])
|
|
self.msg('Checking for %s' % i, lib, 'GREEN')
|
|
break
|
|
else:
|
|
self.msg('Checking for %s' % i, False, 'YELLOW')
|
|
|
|
env.append_unique('LIBPATH_' + uselib, qtlibs)
|
|
env.append_unique('INCLUDES_' + uselib, qtincludes)
|
|
env.append_unique('INCLUDES_' + uselib, os.path.join(qtincludes, i))
|
|
|
|
# Debug library names are like QtCore4d
|
|
uselib = i.upper() + "_debug"
|
|
for k in ("lib%sd.a", "lib%sd4.a", "%sd.lib", "%sd4.lib"):
|
|
lib = os.path.join(qtlibs, k % i)
|
|
if os.path.exists(lib):
|
|
env.append_unique('LIB_' + uselib, i + k[k.find("%s") + 2 : k.find('.')])
|
|
self.msg('Checking for %s' % i, lib, 'GREEN')
|
|
break
|
|
else:
|
|
self.msg('Checking for %s' % i, False, 'YELLOW')
|
|
|
|
env.append_unique('LIBPATH_' + uselib, qtlibs)
|
|
env.append_unique('INCLUDES_' + uselib, qtincludes)
|
|
env.append_unique('INCLUDES_' + uselib, os.path.join(qtincludes, i))
|
|
else:
|
|
for i in self.qt4_vars_debug + self.qt4_vars:
|
|
self.check_cfg(package=i, args='--cflags --libs', mandatory=False)
|
|
|
|
@conf
|
|
def simplify_qt4_libs(self):
|
|
# the libpaths make really long command-lines
|
|
# remove the qtcore ones from qtgui, etc
|
|
env = self.env
|
|
def process_lib(vars_, coreval):
|
|
for d in vars_:
|
|
var = d.upper()
|
|
if var == 'QTCORE':
|
|
continue
|
|
|
|
value = env['LIBPATH_'+var]
|
|
if value:
|
|
core = env[coreval]
|
|
accu = []
|
|
for lib in value:
|
|
if lib in core:
|
|
continue
|
|
accu.append(lib)
|
|
env['LIBPATH_'+var] = accu
|
|
|
|
process_lib(self.qt4_vars, 'LIBPATH_QTCORE')
|
|
process_lib(self.qt4_vars_debug, 'LIBPATH_QTCORE_DEBUG')
|
|
|
|
@conf
|
|
def add_qt4_rpath(self):
|
|
# rpath if wanted
|
|
env = self.env
|
|
if getattr(Options.options, 'want_rpath', False):
|
|
def process_rpath(vars_, coreval):
|
|
for d in vars_:
|
|
var = d.upper()
|
|
value = env['LIBPATH_'+var]
|
|
if value:
|
|
core = env[coreval]
|
|
accu = []
|
|
for lib in value:
|
|
if var != 'QTCORE':
|
|
if lib in core:
|
|
continue
|
|
accu.append('-Wl,--rpath='+lib)
|
|
env['RPATH_'+var] = accu
|
|
process_rpath(self.qt4_vars, 'LIBPATH_QTCORE')
|
|
process_rpath(self.qt4_vars_debug, 'LIBPATH_QTCORE_DEBUG')
|
|
|
|
@conf
|
|
def set_qt4_libs_to_check(self):
|
|
if not hasattr(self, 'qt4_vars'):
|
|
self.qt4_vars = QT4_LIBS
|
|
self.qt4_vars = Utils.to_list(self.qt4_vars)
|
|
if not hasattr(self, 'qt4_vars_debug'):
|
|
self.qt4_vars_debug = [a + '_debug' for a in self.qt4_vars]
|
|
self.qt4_vars_debug = Utils.to_list(self.qt4_vars_debug)
|
|
|
|
@conf
|
|
def set_qt4_defines(self):
|
|
if sys.platform != 'win32':
|
|
return
|
|
for x in self.qt4_vars:
|
|
y = x[2:].upper()
|
|
self.env.append_unique('DEFINES_%s' % x.upper(), 'QT_%s_LIB' % y)
|
|
self.env.append_unique('DEFINES_%s_DEBUG' % x.upper(), 'QT_%s_LIB' % y)
|
|
|
|
def options(opt):
|
|
"""
|
|
Command-line options
|
|
"""
|
|
opt.add_option('--want-rpath', action='store_true', default=False, dest='want_rpath', help='enable the rpath for qt libraries')
|
|
|
|
opt.add_option('--header-ext',
|
|
type='string',
|
|
default='',
|
|
help='header extension for moc files',
|
|
dest='qt_header_ext')
|
|
|
|
for i in 'qtdir qtbin qtlibs'.split():
|
|
opt.add_option('--'+i, type='string', default='', dest=i)
|
|
|
|
opt.add_option('--translate', action="store_true", help="collect translation strings", dest="trans_qt4", default=False)
|
|
|