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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 16:49:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 16:49:38 +0000 |
commit | bd8128271ad96c97ddaf5c86915a981ddbff86c6 (patch) | |
tree | 19fb138628afa53c660a2db82488d0b703a52fa7 /third_party/waf/waflib/extras/stale.py | |
parent | Initial commit. (diff) | |
download | tdb-upstream.tar.xz tdb-upstream.zip |
Adding upstream version 1.4.10.upstream/1.4.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/waf/waflib/extras/stale.py')
-rw-r--r-- | third_party/waf/waflib/extras/stale.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/third_party/waf/waflib/extras/stale.py b/third_party/waf/waflib/extras/stale.py new file mode 100644 index 0000000..cac3f46 --- /dev/null +++ b/third_party/waf/waflib/extras/stale.py @@ -0,0 +1,98 @@ +#! /usr/bin/env python +# encoding: UTF-8 +# Thomas Nagy, 2006-2015 (ita) + +""" +Add a pre-build hook to remove build files (declared in the system) +that do not have a corresponding target + +This can be used for example to remove the targets +that have changed name without performing +a full 'waf clean' + +Of course, it will only work if there are no dynamically generated +nodes/tasks, in which case the method will have to be modified +to exclude some folders for example. + +Make sure to set bld.post_mode = waflib.Build.POST_AT_ONCE +""" + +from waflib import Logs, Build +from waflib.Runner import Parallel + +DYNAMIC_EXT = [] # add your non-cleanable files/extensions here +MOC_H_EXTS = '.cpp .cxx .hpp .hxx .h'.split() + +def can_delete(node): + """Imperfect moc cleanup which does not look for a Q_OBJECT macro in the files""" + if not node.name.endswith('.moc'): + return True + base = node.name[:-4] + p1 = node.parent.get_src() + p2 = node.parent.get_bld() + for k in MOC_H_EXTS: + h_name = base + k + n = p1.search_node(h_name) + if n: + return False + n = p2.search_node(h_name) + if n: + return False + + # foo.cpp.moc, foo.h.moc, etc. + if base.endswith(k): + return False + + return True + +# recursion over the nodes to find the stale files +def stale_rec(node, nodes): + if node.abspath() in node.ctx.env[Build.CFG_FILES]: + return + + if getattr(node, 'children', []): + for x in node.children.values(): + if x.name != "c4che": + stale_rec(x, nodes) + else: + for ext in DYNAMIC_EXT: + if node.name.endswith(ext): + break + else: + if not node in nodes: + if can_delete(node): + Logs.warn('Removing stale file -> %r', node) + node.delete() + +old = Parallel.refill_task_list +def refill_task_list(self): + iit = old(self) + bld = self.bld + + # execute this operation only once + if getattr(self, 'stale_done', False): + return iit + self.stale_done = True + + # this does not work in partial builds + if bld.targets != '*': + return iit + + # this does not work in dynamic builds + if getattr(bld, 'post_mode') == Build.POST_AT_ONCE: + return iit + + # obtain the nodes to use during the build + nodes = [] + for tasks in bld.groups: + for x in tasks: + try: + nodes.extend(x.outputs) + except AttributeError: + pass + + stale_rec(bld.bldnode, nodes) + return iit + +Parallel.refill_task_list = refill_task_list + |