问题描述
我正在尝试设置环境为新 PICO 开发一些程序，但在出现此错误后只编译一次：
[main] Building folder: pico-examples
[build] Starting build
[proc] Executing command: "C:\Program Files\CMake\bin\cmake.EXE" --build c:/pico/pico-examples/build --config Debug --target blink --
[build] Scanning dependencies of target bs2_default
[build] [ 0%] Built target bs2_default
[build] [ 0%] Built target bs2_default_padded_checksummed_asm
[build] [ 0%] Performing build step for 'ELF2UF2Build'
[build]
[build] Microsoft (R) Program Maintenance Utility Version 14.28.29337.0
[build] copyright (C) Microsoft Corporation. All rights reserved.
[build]
[build] [100%] Built target elf2uf2
[build] [ 0%] No install step for 'ELF2UF2Build'
[build] [ 0%] Completed 'ELF2UF2Build'
[build] [ 0%] Built target ELF2UF2Build
[build] Scanning dependencies of target blink
[build] Consolidate compiler generated dependencies of target blink
[build] blink\CMakeFiles\blink.dir\compiler_depend.make(4) : Fatal error U1033: Syntax error : ':' unexpected
[build] Stop.
[build] NMAKE : Fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.28.29333\bin\HostX86\x86\Nmake.exe"' : return code '0x2'
[build] Stop.
[build] NMAKE : Fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.28.29333\bin\HostX86\x86\Nmake.exe"' : return code '0x2'
[build] Stop.
[build] NMAKE : Fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.28.29333\bin\HostX86\x86\Nmake.exe"' : return code '0x2'
[build] Stop.
[build] Build finished with exit code 2
我正在从 RaspBerry SDK 编译它的标准示例的闪烁应用程序：
#include "pico/stdlib.h"
int main() {
const uint LED_PIN = 25;
gpio_init(LED_PIN);
gpio_set_dir(LED_PIN,GPIO_OUT);
while (true) {
gpio_put(LED_PIN,1);
sleep_ms(250);
gpio_put(LED_PIN,0);
sleep_ms(250);
}
}
我已经安装了 VS 代码，并在为此 PICO 安装了 VS 2019 之后。我一步一步地遵循了 RaspBerry 的文档（开始使用 RaspBerry PICO）。也由 VS2019 的命令提示符启动。
我尝试单独安装最后一个 Windows SDK，我也重新安装了 Visual Studio。但还是一样。
有人可以帮助我解决这个问题吗？这个问题我睡不着:(
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blink\CMakeFiles\blink.dir\blink.c.obj: C\:\pico\pico-sdk\src\rp2_common\ha
C:\pico\pico-sdk\src\rp2_common\hardware_vreg\vreg.c:
C\:\pico\pico-sdk\src\rp2_common\hardware_vreg\vreg.c:
C\:\pico\pico-sdk\src\rp2_common\hardware_vreg\include\hardware\vreg.h:
C\:\pico\pico-sdk\src\rp2040\hardware_structs\include\hardware\structs\vreg_and_chip_reset.h:
C\:\pico\pico-sdk\src\rp2040\hardware_regs\include\hardware\regs\vreg_and_chip_reset.h:
C:\pico\pico-sdk\src\rp2_common\hardware_watchdog\watchdog.c:
C\:\pico\pico-sdk\src\rp2_common\hardware_watchdog\watchdog.c:
C\:\pico\pico-sdk\src\rp2040\hardware_structs\include\hardware\structs\watchdog.h:
C\:\pico\pico-sdk\src\rp2040\hardware_regs\include\hardware\regs\watchdog.h:
C\:\pico\pico-sdk\src\rp2040\hardware_structs\include\hardware\structs\psm.h:
C\:\pico\pico-sdk\src\rp2040\hardware_regs\include\hardware\regs\psm.h:
C\:\pico\pico-sdk\src\rp2_common\hardware_xosc\xosc.c:
C\:\pico\pico-sdk\src\rp2_common\pico_stdio_uart\stdio_uart.c:
C\:\pico\pico-sdk\src\rp2_common\pico_bootrom\bootrom.c:
C\:\pico\pico-sdk\src\rp2_common\pico_bootrom\include\pico\bootrom.h:
C\:\pico\pico-sdk\src\rp2_common\pico_double\double_init_rom.c:
提前致谢。 最好的问候
解决方法
好的，解决方案是从自动生成的文件中删除内容，保存文件并重新构建...，
多次构建错误后再次出现，同样的过程成功：D
感谢所有试图帮助我的人，如果知道根本问题会很棒！
,我自己尝试在 VS Code 中编译时遇到了同样的问题，第一遍工作正常，任何重新编译失败并出现相同错误。
错误的原因是 compiler_depend.make 文件包含错误的转义路径。它试图在 Windows 驱动器号之后转义 : 。它不会对每个部分中的第一个条目执行此操作，尽管该条目与错误路径重复，作为每个部分中的第二个条目。
例如
blink\CMakeFiles\blink.dir\D_\projects\pico\pico-sdk\src\common\pico_sync\critical_section.c.obj: D\:\projects\pico\pico-sdk\src\common\pico_sync\critical_section.c
应该
blink\CMakeFiles\blink.dir\D_\projects\pico\pico-sdk\src\common\pico_sync\critical_section.c.obj: D:\projects\pico\pico-sdk\src\common\pico_sync\critical_section.c
我目前的快速修复是在所有 compiler_depend.make 文件中用“:”替换“\:”
,这里是已经提到的解决方案（删除 /build 的内容）作为重建 DOS 命令，供不太熟悉它的人使用。从构建文件夹运行它。
del /q /s * && cmake .. -G "NMake Makefiles" && nmake