+AC_ARG_WITH(diskdefs,[ --with-diskdefs Specify diskdefs location],
+ [DISKDEFS="$withval"], [DISKDEFS="$DISKDEFS"])
+AC_ARG_WITH(defformat,[ --with-defformat Specify default format (ibm-3740)],
+ [DEFFORMAT="$withval"], [DEFFORMAT="ibm-3740"])
+AC_ARG_WITH(libdsk, [ --with-libdsk Specify path to libdsk library],
+ [LIBDSK="$withval"], [LIBDSK=""])
+AC_ARG_WITH(dmalloc, [ --with-dmalloc Specify path to dmalloc library],
+ [CPPFLAGS="$CPPFLAGS -I$with_dmalloc/include"
+ LDFLAGS="$LDFLAGS -L$with_dmalloc/lib"
+ LIBS="$LIBS -ldmalloc"
+ AC_DEFINE(USE_DMALLOC)])