--- src/timing/cl_t_current2.cc.orig 2009-05-10 22:32:32.000000000 +0200 +++ src/timing/cl_t_current2.cc 2017-06-07 15:14:54.972741636 +0200 @@ -20,6 +20,7 @@ #include #include // defines HZ, unit for times() is 1/HZ seconds #include + #include extern "C" clock_t times (struct tms * buffer); #endif #ifdef HAVE_PERROR_DECL