1 # fegetround.m4 serial 1
2 dnl Copyright (C) 2011-2017 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_FEGETROUND],
9 dnl Determine FEGETROUND_LIBM.
10 gl_MATHFUNC([fegetround], [int], [(void)], [#include <fenv.h>])
11 if test $gl_cv_func_fegetround_no_libm = no \
12 && test $gl_cv_func_fegetround_in_libm = no; then
16 AC_DEFINE([HAVE_FEGETROUND], [1],
17 [Define to 1 if you have the 'fegetround' function.])
19 AC_SUBST([FEGETROUND_LIBM])