libstdc++-v3/testsuite/30_threads/thread/70503.cc

   1 // Copyright (C) 2016-2023 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do link { target c++11 } }
  19 // { dg-options "-static" { target *-*-*gnu* } }
  20 // { dg-require-gthreads "" }
  21 // { dg-require-effective-target static }
  22
  23 #include <thread>
  24
  25 extern "C" {
  26   // Should not get multiple definition errors from libstdc++.a(thread.o)
  27   void execute_native_thread_routine(void) { }
  28   void execute_native_thread_routine_compat(void) { }
  29 }
  30
  31 int main()
  32 {
  33   execute_native_thread_routine();
  34   execute_native_thread_routine_compat();
  35
  36   std::thread{}.detach();  // ensure libstdc++.a(thread.o) is linked in
  37 }