Index: acinclude.m4
===================================================================
RCS file: /cvs/src/src/newlib/acinclude.m4,v
retrieving revision 1.3
diff -u -p -2 -r1.3 acinclude.m4
--- acinclude.m4	2000/12/14 22:15:19	1.3
+++ acinclude.m4	2001/04/18 19:59:18
@@ -132,4 +132,7 @@ case "${host}" in
   *-*-cygwin*)
     newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/cygwin/include  -I[$]{newlib_flagbasedir}/../winsup/w32api/include"
+    if test x$enable_malloc_debugging = xyes; then
+      newlib_cflags="[$]{newlib_cflags} -DMALLOC_PROVIDED"
+    fi
     ;;
 esac