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-rw-r--r--src/libstore/globals.hh3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index 1b4d0bde3ffe..3da294cc829a 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -16,6 +16,9 @@ extern string nixDataDir; /* !!! fix */
 /* nixLogDir is the directory where we log various operations. */ 
 extern string nixLogDir;
 
+/* nixStateDir is the directory where state is stored. */
+extern string nixStateDir;
+
 /* nixDBPath is the path name of our Berkeley DB environment. */
 extern string nixDBPath;