diff --git a/configure b/configure
index 2b5c66b..d4ec606 100755
--- a/configure
+++ b/configure
@@ -11612,6 +11612,8 @@ _ACEOF
 
   LIBS="-lmcrypt $LIBS"
 
+else
+  as_fn_error 1 "libmcrypt not found" "$LINENO" 5
 fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for mhash_keygen in -lmhash" >&5
@@ -11657,6 +11659,8 @@ _ACEOF
 
   LIBS="-lmhash $LIBS"
 
+else
+  as_fn_error 1 "libmhash not found" "$LINENO" 5
 fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json_object_new_object in -ljson" >&5
@@ -11702,6 +11706,8 @@ _ACEOF
 
   LIBS="-ljson $LIBS"
 
+else
+  as_fn_error 1 "json-c library not found" "$LINENO" 5
 fi