# Autoconf macros for xdvik. # Copyright (C) 1999 - 2009 Paul Vojta # # This file is free software; the copyright holder # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # XDVI_FUNC_POLL # -------------- # Check for poll(). AC_DEFUN([XDVI_FUNC_POLL], [AC_CACHE_CHECK([for poll.h and poll()], [xdvi_cv_func_poll], [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[poll((struct pollfd *) 0, 0, 0);]])], [xdvi_cv_func_poll=yes], [xdvi_cv_func_poll=no])]) if test "x$xdvi_cv_func_poll" = xyes; then AC_DEFINE([HAVE_POLL], 1, [Define if your system has and poll().]) else AC_CHECK_HEADERS([sys/select.h select.h]) fi ]) # XDVI_FUNC_POLL