--- a/configure.in
+++ b/configure.in
@@ -21,7 +21,7 @@
 dnl along with Octave; see the file COPYING.  If not, write to the Free
 dnl Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 dnl
-AC_REVISION($Revision: 1.56 $)dnl
+AC_REVISION($Revision: 1.57 $)dnl
 AC_PREREQ(1.8)dnl
 AC_INIT(src/octave.cc)
 AC_CONFIG_HEADER(config.h kpathsea/c-auto.h)
@@ -512,6 +512,7 @@
 AC_HAVE_HEADERS(sys/utsname.h sys/time.h sys/fcntl.h)dnl
 AC_HAVE_HEADERS(sys/ttold.h sys/ptem.h sys/select.h)dnl
 AC_DIR_HEADER
+AC_TIME_WITH_SYS_TIME
 dnl
 dnl Use sgtty on Ultrix so that using DEC Migrate to convert a Mips
 dnl binary to an Alpha binary will work.
@@ -543,7 +544,7 @@
 dnl
 AC_HAVE_FUNCS(setvbuf getcwd gethostname bzero rindex vfprintf vsprintf)dnl
 AC_HAVE_FUNCS(stricmp strnicmp strcasecmp strncasecmp strerror)dnl
-AC_HAVE_FUNCS(atexit on_exit tempnam memmove putenv)dnl
+AC_HAVE_FUNCS(atexit on_exit tempnam memmove putenv gettimeofday)dnl
 dnl
 dnl Check to see if we have IEEE math functions, and if so, which ones.
 dnl