# Checks for header files.
AC_PATH_X
AC_CHECK_HEADERS([getopt.h stdio.h stdlib.h string.h sys/stat.h sys/time.h sys/types.h time.h])
# Checks for header files.
AC_PATH_X
AC_CHECK_HEADERS([getopt.h stdio.h stdlib.h string.h sys/stat.h sys/time.h sys/types.h time.h])