Due to a recent Windows update from Microsoft®, the Nios® II build flow using Windows Subsystem for Linux (WSL) is presenting issues during project compilation and download.
The failure has been identified in computers running Windows 10 Version 1903 and later. The failure is not presented in Windows 10 Version 1809 or earlier.
Some of the error messages include:
nios2-elf-gcc.exe: error: CreateProcess: No such file or directory
nios2-elf-g .exe: error: missing argument to '-msys-lib='
wslpath: /...........elf.srec: No such file or directory
Patches to fix this problem are available for the Intel® Quartus® Prime Pro and Standard Editions.
For Pro versions:
- Download patch for Intel® Quartus® Prime Pro Edition Software version 20.3
- Download patch for Intel® Quartus® Prime Pro Edition Software version 20.2
- Download patch for Intel® Quartus® Prime Pro Edition Software version 20.1
- Download patch for Intel® Quartus® Prime Pro Edition Software version 19.4
- Download patch for Intel® Quartus® Prime Pro Edition Software version 19.3
- Download patch for Intel® Quartus® Prime Pro Edition Software version 19.2
For Standard versions:
- Download patch for Intel® Quartus® Prime Standard Edition Software version 20.1
- Download patch for Intel® Quartus® Prime Standard Edition Software version 19.1
This problem is fixed starting with the Intel® Quartus® Prime Pro Edition Software version 20.4 and the Intel® Quartus® Prime Standard Edition Software version 20.1.1.