如何修改工程类型为 C++

远哥制造

看到官方的 TWEN-CH32V103-RGB 模板中有 C++ 的选项

但是自己新建的工程却少了关于 C++ 的设置项，因工程需要引入 C++ 的代码，应该如何切换？

远哥制造

<nature>org.eclipse.cdt.core.ccnature</nature>

远哥制造

链接时还是报错了

1. make -j16 all
   
2. c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/lib/rv32imac/ilp32\libg_nano.a(lib_a-closer.o): in function `.L0 ':
   
3. closer.c:(.text._close_r+0x12): undefined reference to `_close'
   
4. c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/lib/rv32imac/ilp32\libg_nano.a(lib_a-lseekr.o): in function `.L0 ':
   
5. lseekr.c:(.text._lseek_r+0x16): undefined reference to `_lseek'
   
6. c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/lib/rv32imac/ilp32\libg_nano.a(lib_a-readr.o): in function `.L0 ':
   
7. readr.c:(.text._read_r+0x16): undefined reference to `_read'
   
8. c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/lib/rv32imac/ilp32\libg_nano.a(lib_a-sbrkr.o): in function `.L0 ':
   
9. sbrkr.c:(.text._sbrk_r+0x12): undefined reference to `_sbrk'
   
10. c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/lib/rv32imac/ilp32\libg_nano.a(lib_a-fstatr.o): in function `.L0 ':
    
11. fstatr.c:(.text._fstat_r+0x14): undefined reference to `_fstat'
    
12. c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: c:/mounriver/mounriver_studio/toolchain/risc-v embedded gcc/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/lib/rv32imac/ilp32\libg_nano.a(lib_a-isattyr.o): in function `.L0 ':
    
13. isattyr.c:(.text._isatty_r+0x12): undefined reference to `_isatty'
    
14. collect2.exe: error: ld returned 1 exit status
    
15. make: *** [makefile:80: CH32V307_EVB.elf] Error 1

复制代码

51MCU

什么板子?哪个芯片？哪个版本MRS？社区版还是专业版？

51MCU

什么板子?哪个芯片？哪个版本MRS？社区版还是专业版？

远哥制造

51MCU 发表于 2022-8-8 15:04
什么板子?哪个芯片？哪个版本MRS？社区版还是专业版？

CH32V_EVB
CH32V307VCT6
MounRiver Studio Version: v1.81
社区版

einhorn32

hello, I had same problem with c++ in MRS
did you solve it?

塞巴斯蒂安

einhorn32 发表于 2022-8-29 22:48
hello, I had same problem with c++ in MRS
did you solve it?

外国友人啊

Rvfive

MRS上C++开发的问题，附件内容可供参考！