1 files changed, 3 insertions, 0 deletions

diff --git a/acconfig.h b/acconfig.h
index 83d2f17..4f5b402 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -6,3 +6,6 @@
 
 /* Define if we have parallel support */
 #undef HAVE_PARALLEL
+
+/* Define if it's safe to use `long long' for hsize_t and hssize_t */
+#undef HAVE_LARGE_HSIZET