arduino安装ESP32后，编译最简单的程序都报错，原因不明

Question

报错信息如下：

In file included from C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/freertos/port/xtensa/include/frertos/FreeRTOSConfig_arch.h:107,
                 from C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/freertos/include/esp_additions/freertos/FreeRTOSConfig.h:79,
                 from C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/freertos/include/freertos/FreeRTOS.h:57,
                 from C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4\cores\esp32/Arduino.h:33,
                 from sketch\sketch_sep07c.ino.cpp:1:
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/esp_hw_support/include/soc/spinlock.h: In function 'void spinlock_initialize(spinlock_t*)':
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/newlib/platform_include/assert.h:50:63: error: '__assert_func' was not declared in this scope
 #define assert(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func (__FILENAME__, __LINE__, \
                                                               ^~~~~~~~~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/esp_hw_support/include/soc/spinlock.h:46:5: note: in expansion of macro 'assert'
     assert(lock);
     ^~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/newlib/platform_include/assert.h:50:63: note: suggested alternative: '_assert'
 #define assert(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func (__FILENAME__, __LINE__, \
                                                               ^~~~~~~~~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/esp_hw_support/include/soc/spinlock.h:46:5: note: in expansion of macro 'assert'
     assert(lock);
     ^~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/esp_hw_support/include/soc/spinlock.h: In function 'bool spinlock_acquire(spinlock_t*, int32_t)':
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/newlib/platform_include/assert.h:50:63: error: '__assert_func' was not declared in this scope
 #define assert(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func (__FILENAME__, __LINE__, \
                                                               ^~~~~~~~~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/esp_hw_support/include/soc/spinlock.h:75:5: note: in expansion of macro 'assert'
     assert(lock);
     ^~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/newlib/platform_include/assert.h:50:63: note: suggested alternative: '_assert'
 #define assert(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func (__FILENAME__, __LINE__, \
                                                               ^~~~~~~~~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/esp_hw_support/include/soc/spinlock.h:75:5: note: in expansion of macro 'assert'
     assert(lock);
     ^~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/esp_hw_support/include/soc/spinlock.h: In function 'void spinlock_release(spinlock_t*)':
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/newlib/platform_include/assert.h:50:63: error: '__assert_func' was not declared in this scope
 #define assert(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func (__FILENAME__, __LINE__, \
                                                               ^~~~~~~~~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/esp_hw_support/include/soc/spinlock.h:154:5: note: in expansion of macro 'assert'
     assert(lock);
     ^~~~~~
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/newlib/platform_include/assert.h:50:63: note: suggested alternative: '_assert'
 #define assert(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func (__FILENAME__, __LINE__, \
                                                         
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/esp_hw_support/include/soc/spinlock.h:154:5: note: in expansion of macro 'assert'
     assert(lock);
     ^~~~~~
In file included from C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/freertos/include/freertos/portable.h:51,
                 from C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/freertos/include/freertos/FreeRTOS.h:63,
                 from C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4\cores\esp32/Arduino.h:33,
                 from sketch\sketch_sep07c.ino.cpp:1:
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/freertos/port/xtensa/include/freertos/portmacro.h: At global scope:
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/freertos/port/xtensa/include/freertos/portmacro.h:717:15: error: expected constructor, destructor, or type conversion before '(' token
 _Static_assert(portGET_ARGUMENT_COUNT() == 0, "portGET_ARGUMENT_COUNT() result does not match for 0 arguments");
               ^
C:\Users\john\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4/tools/sdk/esp32/include/freertos/port/xtensa/include/freertos/portmacro.h:718:15: error: expected constructor, destructor, or type conversion before '(' token
 _Static_assert(portGET_ARGUMENT_COUNT(1) == 1, "portGET_ARGUMENT_COUNT() result does not match for 1 argument");
               ^
In file included from c:\users\john\appdata\local\arduino15\packages\esp32\tools\xtensa-esp32-elf-gcc\gcc8_4_0-esp-2021r2-patch3\xtensa-esp32-elf\include\c++\8.4.0\cstdlib:75,
                 from c:\users\john\appdata\local\arduino15\packages\esp32\tools\xtensa-esp32-elf-gcc\gcc8_4_0-esp-2021r2-patch3\xtensa-esp32-elf\include\c++\8.4.0\bits\stl_algo.h:59,
             

Answer 1

你是怎么在Arduino上安装开发环境的？因为众所周知的网络问题，很多人是用手动下载各种资源，拷贝到指定位置这种方式安装，这种安装方式下，一个步骤不小心就可能出错，建议检查每一步仔细确认。
如果你能解决网络问题，用IDE自带的安装功能，一般不会出问题。