build error from ct-ng build

[liuyibox]

I just follow the github guide sudo ./build.sh to build this dcgm, however I keep getting the error when it comes to the ct-ng build command in the Dockerfile.

I then try to ignore the Dockfile and build on my own in my local machine. In this way, when I use the CT_PREFIX=/opt/cross ct-ng build -j12 on my command line, it gives the same error. I checked out the build.log file, it says ct-ng tries to create a director named '', which is not possible although I don't know why ct-ng wants to do that there. Here is the build.log error message. Is this where the cause of the error is?

I tried finding solutions, but I have not got one. Please let me know if you can repeat this error and has the solution.

[nikkon-dev]

@liuyibox,
Answered in the crosstool-ng thread crosstool-ng/crosstool-ng#1580 (comment)

We will update this build image at the next publication of the DCGM.
Sorry for the inconvenience.