elf/tst-linkall-static.c

   1 /* Test static linking against multiple libraries, to find symbol conflicts.
   2    Copyright (C) 2016-2018 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 <http://www.gnu.org/licenses/>.  */
  18
  19 #include <math.h>
  20 #include <pthread.h>
  21 #include <crypt.h>
  22 #include <resolv.h>
  23 #include <dlfcn.h>
  24 #include <utmp.h>
  25 #include <aio.h>
  26 #include <netdb.h>
  27
  28 /* These references force linking the executable against central
  29    functions in the static libraries, pulling significant parts of
  30    each library into the link.  */
  31 void *references[] =
  32   {
  33     &pow,                       /* libm */
  34     &pthread_create,            /* libpthread */
  35 #if USE_CRYPT
  36     &crypt,                     /* libcrypt */
  37 #endif
  38     &res_send,                  /* libresolv */
  39     &dlopen,                    /* libdl */
  40     &login,                     /* libutil */
  41     &aio_init,                  /* librt */
  42     &getaddrinfo_a,             /* libanl */
  43   };
  44
  45 static int
  46 do_test (void)
  47 {
  48   /* This is a link-time test.  There is nothing to run here.  */
  49   return 0;
  50 }
  51
  52 #include <support/test-driver.c>