elf/tst-linkall-static.c

   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 #include <resolv.h>
  22 #include <dlfcn.h>
  23 #include <utmp.h>
  24 #include <aio.h>
  25 #include <netdb.h>
  26
  27 /* These references force linking the executable against central
  28    functions in the static libraries, pulling significant parts of
  29    each library into the link.  */
  30 void *references[] =
  31   {
  32     &pow,                       /* libm */
  33     &pthread_create,            /* libpthread */
  34     &res_send,                  /* libresolv */
  35     &dlopen,                    /* libdl */
  36     &login,                     /* libutil */
  37     &aio_init,                  /* librt */
  38     &getaddrinfo_a,             /* libanl */
  39   };
  40
  41 static int
  42 do_test (void)
  43 {
  44   /* This is a link-time test.  There is nothing to run here.  */
  45   return 0;
  46 }
  47
  48 #include <support/test-driver.c>