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view m4/fegetround.m4 @ 40227:5207eb0dcd2a

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tests: Avoid havoc with "gcc -fcheck-pointer-bounds". * tests/test-fprintf-posix2.c: Skip the test when -fcheck-pointer-bounds is in use. * tests/test-printf-posix2.c: Likewise.
author Bruno Haible <bruno@clisp.org>
date Sun, 10 Mar 2019 17:09:30 +0100
parents b06060465f09
children
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# fegetround.m4 serial 1
dnl Copyright (C) 2011-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

AC_DEFUN([gl_FUNC_FEGETROUND],
[
  dnl Determine FEGETROUND_LIBM.
  gl_MATHFUNC([fegetround], [int], [(void)], [#include <fenv.h>])
  if test $gl_cv_func_fegetround_no_libm = no \
     && test $gl_cv_func_fegetround_in_libm = no; then
    HAVE_FEGETROUND=0
  else
    HAVE_FEGETROUND=1
    AC_DEFINE([HAVE_FEGETROUND], [1],
      [Define to 1 if you have the 'fegetround' function.])
  fi
  AC_SUBST([FEGETROUND_LIBM])
])