bool ResolveDeps(LabelTargetVector* deps, Err* err);
bool ResolveConfigs(UniqueVector<LabelConfigPair>* configs, Err* err);
bool ResolveForwardDependentConfigs(Target* target, Err* err);
+ bool ResolveToolchain(Target* target, Err* err);
// Given a list of unresolved records, tries to find any circular
// dependencies and returns the string describing the problem. If no circular