basic/hashmap: update comment

diff --git a/src/basic/hashmap.h b/src/basic/hashmap.h
index a3bc32814213a403b184e600409862ebe38148c8..e4f23337395a40fec52d89a07e64181387e057cb 100644 (file)
--- a/src/basic/hashmap.h
+++ b/src/basic/hashmap.h
@@ -14,7 +14,7 @@
  * will be treated as empty hashmap for all read operations. That way it is not
  * necessary to instantiate an object for each Hashmap use.
  *
- * If ENABLE_DEBUG_HASHMAP is defined (by configuring with --enable-debug=hashmap),
+ * If ENABLE_DEBUG_HASHMAP is defined (by configuring with -Ddebug-extra=hashmap),
  * the implementation will:
  * - store extra data for debugging and statistics (see tools/gdb-sd_dump_hashmaps.py)
  * - perform extra checks for invalid use of iterators