1 files changed, 5 insertions, 0 deletions
diff --git a/src/libstore/local-store.hh b/src/libstore/local-store.hh
index f270fb723964..8cf6b66406a9 100644
--- a/src/libstore/local-store.hh
+++ b/src/libstore/local-store.hh
@@ -25,6 +25,9 @@ const int nixSchemaVersion = 6;
 extern string drvsLogDir;
 
 
+struct Derivation;
+
+
 struct OptimiseStats
 {
     unsigned long totalFiles;
@@ -255,6 +258,8 @@ private:
         RunningSubstituter & runningSubstituter);
 
     Path createTempDirInStore();
+
+    void checkDerivationOutputs(const Path & drvPath, const Derivation & drv);
 };