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Autogen: Clear sources meta data cache

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Adds cmGeneratorTarget::clearSourcesCache() which clears the cache
of precomputed sources lists and object names. The cache gets
recomputed on demand.

Clearing the cache is necessary in case an OBJECT library
gets a source added after a target (ORIGIN) that includes it
computed it's external sources cache.
This may happen in AUTOMOC when ORIGIN is processed before the
OBJECT library which gets a mocs_compilation.cpp file added.

Closes #17152
Closes #17139
Closes #17085
Closes #15967
This commit is contained in:
Sebastian Holtermann
2017-08-10 18:27:52 +02:00
parent 14b2f85cd4
commit 952fc65d14
3 changed files with 19 additions and 2 deletions
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Source/cmGeneratorTarget.cxx
+8 -2
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@@ -326,6 +326,13 @@ std::string cmGeneratorTarget::GetOutputName(
return i->second;
}
void cmGeneratorTarget::ClearSourcesCache()
{
this->KindedSourcesMap.clear();
this->LinkImplementationLanguageIsContextDependent = true;
this->Objects.clear();
}
void cmGeneratorTarget::AddSourceCommon(const std::string& src)
{
cmListFileBacktrace lfbt = this->Makefile->GetBacktrace();
@@ -333,8 +340,7 @@ void cmGeneratorTarget::AddSourceCommon(const std::string& src)
CM_AUTO_PTR<cmCompiledGeneratorExpression> cge = ge.Parse(src);
cge->SetEvaluateForBuildsystem(true);
this->SourceEntries.push_back(new TargetPropertyEntry(cge));
this->KindedSourcesMap.clear();
this->LinkImplementationLanguageIsContextDependent = true;
this->ClearSourcesCache();
}
void cmGeneratorTarget::AddSource(const std::string& src)