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update m_featureRoots less aggressively

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it's not necessary to immediately re-calculate the roots after assigning
QMAKE_PLATFORM - it's sufficient to do it on-demand, so merely
invalidate them. this avoids that we re-calculate them multiple times
without ever using them in between while processing specs with
distributed platform assignments.

Change-Id: If508594764811b96a577fc81c5ded34ab0453148
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
(cherry picked from qtcreator/28df27d924bb407791a76de8159c9ffa6efde283)
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
This commit is contained in:
Oswald Buddenhagen 2013-06-03 19:22:23 +02:00 committed by The Qt Project
parent 3a6a462ad9
commit 3fdf69b599
1 changed files with 2 additions and 1 deletions
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3
qmake/library/qmakeevaluator.cpp
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@ -936,7 +936,7 @@ void QMakeEvaluator::visitProVariable(
if (varName == statics.strTEMPLATE)
setTemplate();
else if (varName == statics.strQMAKE_PLATFORM)
updateFeaturePaths();
m_featureRoots = 0;
#ifdef PROEVALUATOR_FULL
else if (varName == statics.strREQUIRES)
checkRequirements(values(varName));
@ -1160,6 +1160,7 @@ bool QMakeEvaluator::loadSpecInternal()
#endif
valuesRef(ProKey("QMAKESPEC")) << ProString(m_qmakespec);
m_qmakespecName = IoUtils::fileName(m_qmakespec).toString();
// This also ensures that m_featureRoots is valid.
if (evaluateFeatureFile(QLatin1String("spec_post.prf")) != ReturnTrue)
return false;
// The MinGW and x-build specs may change the separator; $$shell_{path,quote}() need it