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sstate: Optimise SSTATE_EXCLUDEDEPS_SYSROOT handling

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Using re.compile() is around six times faster than recompiling the regexp
each time so maintain a cache.

(From OE-Core rev: 41eb382737706e245f2b7104e313c8dfaa370945)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2018-08-15 14:30:07 +00:00
parent 6e362580a6
commit 59acf118fc
1 changed files with 10 additions and 3 deletions
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meta/classes/sstate.bbclass
+10 -3
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@@ -980,9 +980,16 @@ def setscene_depvalid(task, taskdependees, notneeded, d, log=None):
# them in. # them in.
# See also http://lists.openembedded.org/pipermail/openembedded-core/2018-January/146324.html # See also http://lists.openembedded.org/pipermail/openembedded-core/2018-January/146324.html
not_needed = False not_needed = False
for excl in (d.getVar('SSTATE_EXCLUDEDEPS_SYSROOT') or "").split(): excludedeps = d.getVar('_SSTATE_EXCLUDEDEPS_SYSROOT')
if re.match(excl.split('->', 1)[0], taskdependees[dep][0]): if excludedeps is None:
if re.match(excl.split('->', 1)[1], taskdependees[task][0]): # Cache the regular expressions for speed
excludedeps = []
for excl in (d.getVar('SSTATE_EXCLUDEDEPS_SYSROOT') or "").split():
excludedeps.append((re.compile(excl.split('->', 1)[0]), re.compile(excl.split('->', 1)[1])))
d.setVar('_SSTATE_EXCLUDEDEPS_SYSROOT', excludedeps)
for excl in excludedeps:
if excl[0].match(taskdependees[dep][0]):
if excl[1].match(taskdependees[task][0]):
not_needed = True not_needed = True
break break
if not_needed: if not_needed: