Encountering Multiple Makefile Errors when Building RedPitaya Ecosystem and FPGA Image

Question

I am doing research for college and part of my job is to use Xilinx Vivado to create and transfer fpga hardware programs to a RedPitaya STEMLabs 125-14. I am currently following the instructions provided by RedPitaya here (3.2.2.3 Build FPGA Image) and here (3.2.2.4 Build RP Ecosystem).

I am not particularly familiar with Linux (aside from my working on this research project) and I am currently running Ubuntu 20.04 on a Windows 11 laptop (additional specs listed further down).

So far I have Vivado 2020.1 and the Xilinx SDK dev. environment 2019.1 properly installed to my /opt directory following this instruction set here (I know they are installed properly because I am able to use both of them standalone, just not with RedPitaya's integrated modules) and have their corresponding settings64.sh files set as source values in my .bashrc file as

source <path to Xilinx installation directory>/Xilinx/Vivado/2020.1/settings64.sh
source <path to Xilinx installation directory>/Xilinx/SDK/2019.1/settings64.sh 

(I have gathered that this allows Vivado to be run by calling "vivado" in any given directory). I also have my LC_ALL variable set to C in the same file (not sure what this does, only that it was recommended in the documentation), and an export path described by export PATH=<path to Xilinx installation directory>/Xilinx/SDK/2019.1/bin:$PATH (this is called outside the .bashrc in the main terminal).

I then have a git clone of the official RedPitaya file set found in my ~ (or /home/USER) directory. From this git clone there exists an X86 file (Makefile.x86) as well as a build script SH file (build_Z10.sh), both of which I am supposed to run. There are two situations in which these commands are used, both of which result in errors.

If I follow the 3.2.2.3 instructions, I should navigate to the cloned RedPitaya folder and run make -f Makefile.x86 devicetree to download and extract the devicetree sources. In doing this, I run into the following error: cannot stat 'build/fpga//dts': No such file or directory

RedPitaya assumes in these instructions that you are using a STEMLabs 125-10 or 125-14 board in which no MODEL flag is required. This appears to not actually be the case according to a user in the RedPitaya forums. So, after following this advice and running make -f Makefile.x86 devicetree MODEL=Z10 I received a different error: [Makefile:49: prj/logic/out/red_pitaya.bit] Error 137.

I run into similar errors when trying to build the ecosystem using the automated build scripts from the same GitHub folder after running the following:

cd ./RedPitaya/build_scripts
sudo ./build_Z10.sh

I have ran into this error many times over several fresh installations, done research to find people with similar errors, etc. But I have not been able to find anyone with Error 137 or Error 2 in their Makefile errors. By best guess is hardware limitations of my laptop forcing the parent process to be killed, which would make sense considering I receive the same error in two different situations, but I am not positive.

Again I am not familiar with Linux (especially its error codes), so any pointers at all would be helpful, thank you in advance.

Specs:

Windows 11 Home x64 Version 22H2

11th Gen Intel Core i3-1125G4 @ 2.00GHz

8.00GB RAM

Running Ubuntu 20.04.5 LTS from Microsoft Store

Note: If anyone would like my detailed work-through of the RedPitaya instructions, please feel free to ask and I can get it to you.