--- /dev/null
+Index: genext2fs/m4/ac_func_scanf_can_malloc.m4
+===================================================================
+--- genext2fs.orig/m4/ac_func_scanf_can_malloc.m4 2011-09-03 21:28:49.000000000 +0200
++++ genext2fs/m4/ac_func_scanf_can_malloc.m4 2011-09-03 21:29:41.000000000 +0200
+@@ -9,7 +9,7 @@
+ # --------------------------------------
+ AC_DEFUN([AC_FUNC_SCANF_CAN_MALLOC],
+ [ AC_CHECK_HEADERS([stdlib.h])
+- AC_CACHE_CHECK([whether scanf can malloc], [ac_scanf_can_malloc],
++ AC_CACHE_CHECK([whether scanf can malloc], [ac_cv_func_scanf_can_malloc],
+ [ AC_RUN_IFELSE(
+ [ AC_LANG_PROGRAM(
+ [