-dnl @synopsis MN_C99_FUNC_LRINT
-dnl
-dnl Check whether C99's lrint function is available.
-dnl @version 1.3 Feb 12 2002
-dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
-dnl
-dnl Permission to use, copy, modify, distribute, and sell this file for any
-dnl purpose is hereby granted without fee, provided that the above copyright
-dnl and this permission notice appear in all copies. No representations are
-dnl made about the suitability of this software for any purpose. It is
-dnl provided "as is" without express or implied warranty.
-dnl
-AC_DEFUN([MN_C99_FUNC_LRINT],
-[AC_CACHE_CHECK(for lrint,
- ac_cv_c99_lrint,
-[
-lrint_save_CFLAGS=$CFLAGS
-CFLAGS="-lm"
-AC_TRY_LINK([
-#define _ISOC9X_SOURCE 1
-#define _ISOC99_SOURCE 1
-#define __USE_ISOC99 1
-#define __USE_ISOC9X 1
-
-#include <math.h>
-], if (!lrint(3.14159)) lrint(2.7183);, ac_cv_c99_lrint=yes, ac_cv_c99_lrint=no)
-
-CFLAGS=$lrint_save_CFLAGS
-
-])
-
-if test "$ac_cv_c99_lrint" = yes; then
- AC_DEFINE(HAVE_LRINT, 1,
- [Define if you have C99's lrint function.])
-fi
-])# MN_C99_FUNC_LRINT
-