ab32vg1工程中开启c++支持之后编译报错

发布于 2021-11-16 14:47:13 浏览：1127 订阅该版

在 RTThread Settings 中配置支持 c++ 之后 ，编译报错。
```
riscv64-unknown-elf-g++ "../rt-thread/components/cplusplus/cxx_Mutex.cpp"
riscv64-unknown-elf-g++ "../rt-thread/components/cplusplus/cxx_Semaphore.cpp"
riscv64-unknown-elf-g++ "../rt-thread/components/cplusplus/cxx_Thread.cpp"
riscv64-unknown-elf-g++ "../rt-thread/components/cplusplus/cxx_crt.cpp"
riscv64-unknown-elf-gcc "../libraries/hal_drivers/drv_gpio.c"
riscv64-unknown-elf-gcc "../libraries/hal_drivers/drv_soft_i2c.c"
riscv64-unknown-elf-gcc "../libraries/hal_drivers/drv_usart.c"
riscv64-unknown-elf-gcc "../libcpu/cpu/context_gcc.S"
In file included from ../rt-thread/components/cplusplus/cxx_Mutex.cpp:10:
../rt-thread/components/cplusplus/Mutex.h:17:10: fatal error: rtthread.h: No such file or directory
   17 | #include <rtthread.h>
      |          ^~~~~~~~~~~~
compilation terminated.
make: *** [rt-thread/components/cplusplus/subdir.mk:36: rt-thread/components/cplusplus/cxx_Mutex.o] Error 1
make: *** Waiting for unfinished jobs....
In file included from ../rt-thread/components/cplusplus/cxx_Semaphore.cpp:10:
../rt-thread/components/cplusplus/Semaphore.h:14:10: fatal error: rtthread.h: No such file or directory
   14 | #include "rtthread.h"
      |          ^~~~~~~~~~~~
compilation terminated.
In file included from ../rt-thread/components/cplusplus/cxx_Thread.cpp:10:
../rt-thread/components/cplusplus/Thread.h:14:10: fatal error: rtthread.h: No such file or directory
   14 | #include "rtthread.h"
      |          ^~~~~~~~~~~~
compilation terminated.
../rt-thread/components/cplusplus/cxx_crt.cpp:11:10: fatal error: rtthread.h: No such file or directory
   11 | #include "rtthread.h"
      |          ^~~~~~~~~~~~
compilation terminated.
make: *** [rt-thread/components/cplusplus/subdir.mk:36: rt-thread/components/cplusplus/cxx_Semaphore.o] Error 1
make: *** [rt-thread/components/cplusplus/subdir.mk:36: rt-thread/components/cplusplus/cxx_Thread.o] Error 1
make: *** [rt-thread/components/cplusplus/subdir.mk:36: rt-thread/components/cplusplus/cxx_crt.o] Error 1
```