/* Test matherr (compat symbols, binary modifies library's _LIB_VERSION).

   Copyright (C) 1997-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <math.h>

#include <stdio.h>

#include <stdlib.h>

#include <math-svid-compat.h>

#include <shlib-compat.h>

#if TEST_COMPAT (libm, GLIBC_2_0, GLIBC_2_27)

# undef matherr

# undef _LIB_VERSION

compat_symbol_reference (libm, matherr, matherr, GLIBC_2_0);

compat_symbol_reference (libm, _LIB_VERSION, _LIB_VERSION, GLIBC_2_0);

static int fail = 1;

int

matherr (struct exception *s)

{

  printf ("matherr is working\n");

  fail = 0;

  return 1;

}

static int

do_test (void)

{

  _LIB_VERSION = _SVID_;

  acos (2.0);

  return fail;

}

#else

static int

do_test (void)

{

  return 77;

}

#endif

#include <support/test-driver.c>