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-rw-r--r--Source/cmStateSnapshot.cxx12
1 files changed, 8 insertions, 4 deletions
diff --git a/Source/cmStateSnapshot.cxx b/Source/cmStateSnapshot.cxx
index 63bec71..110ec56 100644
--- a/Source/cmStateSnapshot.cxx
+++ b/Source/cmStateSnapshot.cxx
@@ -222,14 +222,14 @@ bool cmStateSnapshot::IsInitialized(std::string const& name) const
}
void cmStateSnapshot::SetDefinition(std::string const& name,
- std::string const& value)
+ cm::string_view value)
{
- this->Position->Vars->Set(name, value.c_str());
+ this->Position->Vars->Set(name, value);
}
void cmStateSnapshot::RemoveDefinition(std::string const& name)
{
- this->Position->Vars->Set(name, nullptr);
+ this->Position->Vars->Unset(name);
}
std::vector<std::string> cmStateSnapshot::UnusedKeys() const
@@ -264,7 +264,11 @@ bool cmStateSnapshot::RaiseScope(std::string const& var, const char* varDef)
cmDefinitions::Raise(var, this->Position->Vars, this->Position->Root);
// Now update the definition in the parent scope.
- this->Position->Parent->Set(var, varDef);
+ if (varDef) {
+ this->Position->Parent->Set(var, varDef);
+ } else {
+ this->Position->Parent->Unset(var);
+ }
return true;
}