5.2. Jacinto 7 SBL — Platform Development Kit (PDK) (ti.com)
We refer to the above website 5.2.6 to compile SBL, and found that there was an error in making clean all at the very beginning, so I would like to ask what caused it?
Is there any problem with compiling SBL using this URL?
The screenshot of the error is as follows: 
