+
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[
+/* Some systems have incomplete headers. */
+#if !(defined __GLIBC__ && !defined __UCLIBC__)
+# include <time.h>
+#endif
+#include <sys/times.h>
+ ]], [times])