30 如何配置C++ 运行环境并将main.c 改成mian.cpp

发布于 2021-03-25 17:02:42 浏览：1953 订阅该版

whj467467222 认证专家 2021-03-25

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keyq 2021-04-04

这家伙很懒，什么也没写！

按照你给的方式 我重新创建了一个工程，没有在我原来的工程上添加。
1.打开了C++支持和libc 库
2.将main.c 重命名为main.app 
直接编不过。。。
![image.png](https://oss-club.rt-thread.org/uploads/20210404/36054f00f836fc3642e7f1188cc34a48.png)
编译报错如下：、
```
arm-none-eabi-gcc "../drivers/board.c"
arm-none-eabi-gcc "../drivers/drv_adc.c"
arm-none-eabi-gcc "../drivers/drv_clk.c"
arm-none-eabi-gcc "../drivers/drv_common.c"
arm-none-eabi-gcc "../drivers/drv_eth.c"
arm-none-eabi-gcc "../drivers/drv_flash_f4.c"
arm-none-eabi-gcc "../drivers/drv_gpio.c"
arm-none-eabi-gcc "../drivers/drv_hwtimer.c"
arm-none-eabi-gcc "../drivers/drv_pwm.c"
arm-none-eabi-gcc "../drivers/drv_qspi.c"
arm-none-eabi-gcc "../drivers/drv_rtc.c"
arm-none-eabi-gcc "../drivers/drv_sdio.c"
arm-none-eabi-gcc "../drivers/drv_soft_i2c.c"
arm-none-eabi-gcc "../drivers/drv_spi.c"
arm-none-eabi-gcc "../drivers/drv_usart.c"
arm-none-eabi-gcc "../drivers/drv_usbd.c"
arm-none-eabi-gcc "../drivers/drv_usbh.c"
arm-none-eabi-gcc "../drivers/drv_wdt.c"
arm-none-eabi-gcc "../cubemx/Src/main.c"
arm-none-eabi-gcc "../cubemx/Src/stm32f4xx_hal_msp.c"
arm-none-eabi-g++ "../applications/main.cpp"
In file included from ../applications/main.cpp:15:0:
E:\workSpace\rt_thread_workspace\explorer\explorer\rt-thread\include/rtdbg.h:94:43: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
     rt_kprintf("\033["#color_n"m["lvl_name"/"DBG_SECTION_NAME"] ")
                                           ^
../applications/main.cpp: In function 'int main()':
E:\workSpace\rt_thread_workspace\explorer\explorer\rt-thread\include/rtdbg.h:94:62: error: unable to find string literal operator 'operator""lvl_name' with 'const char [13]', 'unsigned int' arguments
     rt_kprintf("\033["#color_n"m["lvl_name"/"DBG_SECTION_NAME"] ")
                                                              ^
E:\workSpace\rt_thread_workspace\explorer\explorer\rt-thread\include/rtdbg.h:134:9: note: in expansion of macro '_DBG_LOG_HDR'
         _DBG_LOG_HDR(lvl, color_n);                         \
         ^
E:\workSpace\rt_thread_workspace\explorer\explorer\rt-thread\include/rtdbg.h:152:30: note: in expansion of macro 'dbg_log_line'
 #define LOG_D(fmt, ...)      dbg_log_line("D", 0, fmt, ##__VA_ARGS__)
                              ^
../applications/main.cpp:23:9: note: in expansion of macro 'LOG_D'
         LOG_D("Hello RT-Thread!");
         ^
make: *** [applications/subdir.mk:18: applications/main.o] Error 1
make: *** Waiting for unfinished jobs....
"make -j8 all" terminated with exit code 2. Build might be incomplete.

14:26:26 Build Failed. 3 errors, 1 warnings. (took 9s.459ms)
```