1  /* Test static linking against multiple libraries, to find symbol conflicts.
       2     Copyright (C) 2016-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public License as
       7     published by the Free Software Foundation; either version 2.1 of the
       8     License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; see the file COPYING.LIB.  If
      17     not, see <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <math.h>
      20  #include <pthread.h>
      21  #if USE_CRYPT
      22  # include <crypt.h>
      23  #endif
      24  #include <resolv.h>
      25  #include <dlfcn.h>
      26  #include <utmp.h>
      27  #include <aio.h>
      28  #include <netdb.h>
      29  
      30  /* These references force linking the executable against central
      31     functions in the static libraries, pulling significant parts of
      32     each library into the link.  */
      33  void *references[] =
      34    {
      35      &pow,                       /* libm */
      36      &pthread_create,            /* libpthread */
      37  #if USE_CRYPT
      38      &crypt,                     /* libcrypt */
      39  #endif
      40      &res_send,                  /* libresolv */
      41      &dlopen,                    /* libdl */
      42      &login,                     /* libutil */
      43      &aio_init,                  /* librt */
      44      &getaddrinfo_a,             /* libanl */
      45    };
      46  
      47  static int
      48  do_test (void)
      49  {
      50    /* This is a link-time test.  There is nothing to run here.  */
      51    return 0;
      52  }
      53  
      54  #include <support/test-driver.c>