diff --git a/src/configure.in b/src/configure.in
index 630d1af28bc102a2264e78fa29e65cbf364e146d..18a95ed0c6a8cd42067a1b0f415d51bd4d982d0a 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -1,4 +1,4 @@
-AC_REVISION("$Id: configure.in,v 1.145 1998/03/02 15:28:49 grubba Exp $")
+AC_REVISION("$Id: configure.in,v 1.146 1998/03/03 13:54:38 grubba Exp $")
 AC_INIT(interpret.c)
 AC_CONFIG_HEADER(machine.h)
 
@@ -92,6 +92,7 @@ AC_ARG_WITH(threads,   [  --without-threads      no threads support],[],[with_th
 AC_ARG_WITH(zlib,      [  --without-zlib         no gz compression support],[],[with_zlib=yes])
 AC_ARG_WITH(ssleay,    [  --without-ssleay       no support for the secure socket protocol],[],[with_ssleay=yes])
 AC_ARG_WITH(mysql,     [  --without-mysql        no support for the Mysql database],[],[with_mysql=yes])
+AC_ARG_WITH(dmalloc,   [  --with-dmallloc        enable memory-leak tests],[AC_DEFINE(DEBUG_MALLOC)],[])
 AC_ARG_WITH(profiling, [  --with-profiling       add code used to profile pike code ],[AC_DEFINE(PROFILING)],[])
 
 #