Don't interfere with a program's definition of __attribute__. * lib/argp.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (argp_error, __argp_error, argp_failure, __argp_failure): Use it. * lib/argp-fmtstream.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (__argp_fmtstream_printf, argp_fmtstream_printf): Use it. * lib/argp-help.c (hol_entry_long_iterate): Use __attribute__ only for GCC 3 or newer. * lib/error.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (error, error_at_line): Use it. * lib/hash.h (__attribute__): Remove definition. (ATTRIBUTE_WUR): Update definition. Define always. * lib/openat.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * lib/sigpipe-die.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * lib/vasnprintf.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (asnprintf, vasnprintf): Use it. * lib/xalloc.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. (ATTRIBUTE_MALLOC, ATTRIBUTE_ALLOC_SIZE): Define always. * lib/xmemdup0.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * lib/xprintf.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (xprintf, xvprintf, xfprintf, xvfprintf): Use it. * lib/xstrtol.h (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * lib/xvasprintf.h (__attribute__): Remove definition. (_GL_ATTRIBUTE_FORMAT): New macro. (xasprintf, xvasprintf): Use it. * tests/test-argmatch.c (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. * tests/test-exclude.c (__attribute__): Remove definition. (ATTRIBUTE_NORETURN): Update definition. Define always. Reported by Paul Eggert.

/* Test the "verify" module.

   Copyright (C) 2005, 2009-2011 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible.  */

#include <config.h>

#include "verify.h"

#ifndef EXP_FAIL
# define EXP_FAIL 0
#endif

int x;
enum { a, b, c };

#if EXP_FAIL == 1
verify (x >= 0);                  /* should give ERROR: non-constant expression */
#endif
verify (c == 2);                  /* should be ok */
#if EXP_FAIL == 2
verify (1 + 1 == 3);              /* should give ERROR */
#endif
verify (1 == 1); verify (1 == 1); /* should be ok */

enum
{
  item = verify_true (1 == 1) * 0 + 17 /* should be ok */
};

static int
function (int n)
{
#if EXP_FAIL == 3
  verify (n >= 0);                  /* should give ERROR: non-constant expression */
#endif
  verify (c == 2);                  /* should be ok */
#if EXP_FAIL == 4
  verify (1 + 1 == 3);              /* should give ERROR */
#endif
  verify (1 == 1); verify (1 == 1); /* should be ok */

  if (n)
    return ((void) verify_true (1 == 1), verify_true (1 == 1) + 7); /* should be ok */
#if EXP_FAIL == 5
  return (verify_true (1 == 2), 5); /* should give ERROR */
#endif
  return 0;
}

int
main (void)
{
  return !(function (0) == 0 && function (1) == 8);
}