编译工程遇到了错误提示

msjlhz
Posts: 1
Joined: Wed May 29, 2019 10:47 am

编译工程遇到了错误提示

Postby msjlhz » Wed May 29, 2019 10:51 am

错误提示如下,有没有懂得大神解答一下,感谢!

Toolchain path: /esp32/crossTools/xtensa-esp32-elf/bin/xtensa-esp32-elf-gcc
Toolchain version: crosstool-ng-1.22.0-80-g6c4433a
Compiler version: 5.2.0
Python requirements from /esp32/sources/esp-idf/requirements.txt are satisfied.

Project is not inside a git repository, will not use 'git describe' to determine PROJECT_VER.
App "sd_card" version: 1
LD build/sd_card.elf
/esp32/demos/sd_card/build/esp32/libesp32.a(cpu_start.o):(.literal.main_task+0x18): undefined reference to `app_main'
/esp32/demos/sd_card/build/esp32/libesp32.a(cpu_start.o): In function `main_task':
/esp32/sources/esp-idf/components/esp32/cpu_start.c:515: undefined reference to `app_main'
collect2: error: ld returned 1 exit status
/esp32/sources/esp-idf/make/project.mk:520: recipe for target '/esp32/demos/sd_card/build/sd_card.elf' failed
make: *** [/esp32/demos/sd_card/build/sd_card.elf] Error 1

ESP_Gargamel
Posts: 46
Joined: Wed Nov 14, 2018 8:45 am

Re: 编译工程遇到了错误提示

Postby ESP_Gargamel » Thu May 30, 2019 1:15 am

/esp32/demos/sd_card/build/esp32/libesp32.a(cpu_start.o):(.literal.main_task+0x18): undefined reference to `app_main'

你的 demo 里没有入口函数 app_main?

你可以与 idf examples 下的示例对比一下,或者你把你的 demo 提交上来。

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