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Don't warn if the variable wasn't defined

This commit is contained in:
Ben Boeckel 2010-09-16 13:52:17 -04:00
parent aefc91dd37
commit 995cfb0e2a
1 changed files with 6 additions and 1 deletions
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7
Source/cmMakefile.cxx
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@ -1783,8 +1783,13 @@ void cmMakefile::CheckForUnused(const char* reason, const char* name) const
void cmMakefile::RemoveDefinition(const char* name)
{
this->Internal->VarStack.top().Set(name, 0);
if (this->Internal->VarUsageStack.size() &&
this->VariableInitialized(name))
{
this->CheckForUnused("unsetting", name);
this->Internal->VarUsageStack.top().erase(name);
}
this->Internal->VarInitStack.top().insert(name);
this->CheckForUnused("unsetting", name);
#ifdef CMAKE_BUILD_WITH_CMAKE
cmVariableWatch* vv = this->GetVariableWatch();
if ( vv )