dnl Checks for header files.
AC_HEADER_STDC
-AC_CHECK_HEADERS(fcntl.h unistd.h getopt.h sys/fcntl.h setjmp.h stdarg.h stddef.h sys/types.h sys/stat.h string.h ctype.h math.h stdio.h netinet/in.h inttypes.h sys/param.h stdint.h stdlib.h g2.h assert.h sys/time.h sys/resource.h)
+AC_CHECK_HEADERS(fcntl.h unistd.h getopt.h sys/fcntl.h setjmp.h stdarg.h stddef.h sys/types.h sys/stat.h string.h ctype.h math.h stdio.h netinet/in.h inttypes.h sys/param.h stdint.h stdlib.h g2.h assert.h sys/time.h sys/resource.h sys/time.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_CHECK_FUNC(basename)
AC_CHECK_FUNC(setjmp)
AC_CHECK_FUNC(setpriority)
+AC_CHECK_FUNC(time)
+AC_CHECK_FUNC(gettimeofday)
if test "${OSTYPE}" = "cygwin" ; then
getopt_long=false