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cmTarget: Allow caching of empty genex expansions

This commit is contained in:
Ben Boeckel 2014-04-30 15:41:19 -04:00
parent cd54f1dbeb
commit 23d6520daa
1 changed files with 4 additions and 2 deletions
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6
Source/cmTarget.cxx
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@ -176,10 +176,11 @@ public:
public:
TargetPropertyEntry(cmsys::auto_ptr<cmCompiledGeneratorExpression> cge,
cmLinkImplItem const& item = NoLinkImplItem)
: ge(cge), LinkImplItem(item)
: ge(cge), Cached(false), LinkImplItem(item)
{}
const cmsys::auto_ptr<cmCompiledGeneratorExpression> ge;
std::vector<std::string> CachedEntries;
bool Cached;
cmLinkImplItem const& LinkImplItem;
};
std::vector<TargetPropertyEntry*> IncludeDirectoriesEntries;
@ -2269,7 +2270,7 @@ static void processCompileOptionsInternal(cmTarget const* tgt,
std::vector<std::string>& entriesRef = (*it)->CachedEntries;
std::vector<std::string> localEntries;
std::vector<std::string>* entryOptions = &entriesRef;
if(entryOptions->empty())
if(!(*it)->Cached)
{
cmSystemTools::ExpandListArgument((*it)->ge->Evaluate(mf,
config,
@ -2282,6 +2283,7 @@ static void processCompileOptionsInternal(cmTarget const* tgt,
{
// Cache the result.
*entryOptions = localEntries;
(*it)->Cached = true;
}
else
{