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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
commit | 8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch) | |
tree | 4099e8021376c7d8c05bdf8503093d80e9c7bad0 /third_party/waf/waflib/extras/slow_qt4.py | |
parent | Initial commit. (diff) | |
download | samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip |
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/waf/waflib/extras/slow_qt4.py | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/third_party/waf/waflib/extras/slow_qt4.py b/third_party/waf/waflib/extras/slow_qt4.py new file mode 100644 index 0000000..ec7880b --- /dev/null +++ b/third_party/waf/waflib/extras/slow_qt4.py @@ -0,0 +1,96 @@ +#! /usr/bin/env python +# Thomas Nagy, 2011 (ita) + +""" +Create _moc.cpp files + +The builds are 30-40% faster when .moc files are included, +you should NOT use this tool. If you really +really want it: + +def configure(conf): + conf.load('compiler_cxx qt4') + conf.load('slow_qt4') + +See playground/slow_qt/wscript for a complete example. +""" + +from waflib.TaskGen import extension +from waflib import Task +import waflib.Tools.qt4 +import waflib.Tools.cxx + +@extension(*waflib.Tools.qt4.EXT_QT4) +def cxx_hook(self, node): + return self.create_compiled_task('cxx_qt', node) + +class cxx_qt(Task.classes['cxx']): + def runnable_status(self): + ret = Task.classes['cxx'].runnable_status(self) + if ret != Task.ASK_LATER and not getattr(self, 'moc_done', None): + + try: + cache = self.generator.moc_cache + except AttributeError: + cache = self.generator.moc_cache = {} + + deps = self.generator.bld.node_deps[self.uid()] + for x in [self.inputs[0]] + deps: + if x.read().find('Q_OBJECT') > 0: + + # process "foo.h -> foo.moc" only if "foo.cpp" is in the sources for the current task generator + # this code will work because it is in the main thread (runnable_status) + if x.name.rfind('.') > -1: # a .h file... + name = x.name[:x.name.rfind('.')] + for tsk in self.generator.compiled_tasks: + if tsk.inputs and tsk.inputs[0].name.startswith(name): + break + else: + # no corresponding file, continue + continue + + # the file foo.cpp could be compiled for a static and a shared library - hence the %number in the name + cxx_node = x.parent.get_bld().make_node(x.name.replace('.', '_') + '_%d_moc.cpp' % self.generator.idx) + if cxx_node in cache: + continue + cache[cxx_node] = self + + tsk = Task.classes['moc'](env=self.env, generator=self.generator) + tsk.set_inputs(x) + tsk.set_outputs(cxx_node) + + if x.name.endswith('.cpp'): + # moc is trying to be too smart but it is too dumb: + # why forcing the #include when Q_OBJECT is in the cpp file? + gen = self.generator.bld.producer + gen.outstanding.append(tsk) + gen.total += 1 + self.set_run_after(tsk) + else: + cxxtsk = Task.classes['cxx'](env=self.env, generator=self.generator) + cxxtsk.set_inputs(tsk.outputs) + cxxtsk.set_outputs(cxx_node.change_ext('.o')) + cxxtsk.set_run_after(tsk) + + try: + self.more_tasks.extend([tsk, cxxtsk]) + except AttributeError: + self.more_tasks = [tsk, cxxtsk] + + try: + link = self.generator.link_task + except AttributeError: + pass + else: + link.set_run_after(cxxtsk) + link.inputs.extend(cxxtsk.outputs) + link.inputs.sort(key=lambda x: x.abspath()) + + self.moc_done = True + + for t in self.run_after: + if not t.hasrun: + return Task.ASK_LATER + + return ret + |