-AC_PATH_PROGS(MD5SUM, md5sum, "no")
-if test x$MD5SUM = "xno"; then
- AC_MSG_ERROR([md5sum is required])
+AC_PATH_PROGS(MKTEMP, mktemp, "no")
+if test x$MKTEMPT = "xno"; then
+ AC_MSG_ERROR([mktemp is required])
+fi
+
+AC_PATH_PROGS(STAT, stat, "no")
+if test x$STAT = "xno"; then
+ AC_MSG_ERROR([stat is required])
+else
+ export STAT