RT-Thread-开启C++ 11 功能后，RT-Thread Studio编译报错，求助RT-Thread问答社区

开启C++ 11 功能后，RT-Thread Studio编译报错，求助

发布于 2022-10-18 13:52:21 浏览：603 订阅该版

大家好，我正在尝试，在RT-Thread Studio 上使用rt-thread的C++ 11 功能，新建了一个简单工程就报错，大概流程如下：

![rt1.png](https://oss-club.rt-thread.org/uploads/20221018/ebc11743b57ac02300950061d4c16f34.png "rt1.png")

![rt2.png](https://oss-club.rt-thread.org/uploads/20221018/d5e5cc4e65a8bf659018feab4240fb8e.png.webp "rt2.png")

![rt3.png](https://oss-club.rt-thread.org/uploads/20221018/11e86f9b3f38ee0283e79b0bed129378.png.webp "rt3.png")

![rt4.png](https://oss-club.rt-thread.org/uploads/20221018/d76a6cc216488800c747c24007671b5a.png.webp "rt4.png")

由于问题比较多，我这里就贴出来几个，我不知道是我哪个地方配置不对，还是RT-Thread包里面新的代码就有问题，感谢大家的回复，先谢谢了

```c
In file included from ../rt-thread/components/cplusplus/cpp11/gcc/condition_variable:7:0,
                 from ../rt-thread/components/cplusplus/cpp11/gcc/condition_variable.cpp:11:
C:\RT-ThreadStudio\workspace\test3\rt-thread\components\libc\pthreads/pthread.h:27:43: error: could not convert '0' from 'int' to 'rt_mutex'
 #define PTHREAD_MUTEX_INITIALIZER   {-1, 0}
                                           ^
../rt-thread/components/cplusplus/cpp11/gcc/mutex:28:38: note: in expansion of macro 'PTHREAD_MUTEX_INITIALIZER'
             __native_type _m_mutex = PTHREAD_MUTEX_INITIALIZER;
                                      ^
In file included from ../rt-thread/components/cplusplus/cpp11/gcc/condition_variable:16:0,
                 from ../rt-thread/components/cplusplus/cpp11/gcc/condition_variable.cpp:11:
../rt-thread/components/cplusplus/cpp11/gcc/mutex:39:23: error: explicitly defaulted function 'constexpr std::mutex::mutex()' cannot be declared as constexpr because the implicit declaration is not constexpr:
             constexpr mutex() = default;
                       ^
../rt-thread/components/cplusplus/cpp11/gcc/mutex:36:11: error: use of deleted function 'constexpr std::__mutex_base::__mutex_base()'
     class mutex : private __mutex_base
           ^
../rt-thread/components/cplusplus/cpp11/gcc/mutex:30:23: note: 'constexpr std::__mutex_base::__mutex_base() noexcept' is implicitly deleted because its exception-specification does not match the implicit exception-specification 'noexcept (false)'
             constexpr __mutex_base() noexcept = default;
                       ^
In file included from ../rt-thread/components/cplusplus/cpp11/gcc/condition_variable:7:0,
                 from ../rt-thread/components/cplusplus/cpp11/gcc/condition_variable.cpp:11:
C:\RT-ThreadStudio\workspace\test3\rt-thread\components\libc\pthreads/pthread.h:25:43: error: could not convert '0' from 'int' to 'rt_semaphore'
 #define PTHREAD_COND_INITIALIZER    {-1, 0}
                                           ^
../rt-thread/components/cplusplus/cpp11/gcc/condition_variable:113:35: note: in expansion of macro 'PTHREAD_COND_INITIALIZER'
         rt_cpp_cond_var _m_cond = PTHREAD_COND_INITIALIZER;
```