ARDUPILOT FETCH UPSTREAM compiled error

[PIXMAV (chenjiawei)]

I plan to get the official latest source code. After using the git fetch upstream command, the compilation has an error, how to solve this problem? thanks

[hendjosh]

See this blog post about the git protocol business:

Git submodule changes

[github-image-small] There have been some significant changes in the way github handles submodules that have impacted the ArduPilot project. The changes are described in this github blog post: What I’ll describe below is how this impacts ArduPilot and how you can fix your developer checkouts of ArduPilot to avoid the problem. The git:// protocol One of the earliest protocols supported by the git version control system was the git:// protocol. It is a read-only protocol and doesn’t require a…

I believe at that point in the screenshot you should be able to do
./waf distclean : clean out all the old builds
./Tools/gittools/submodule-sync.sh

[PIXMAV (chenjiawei)]

Yes, it can work, thank you very much!