I have built and installed the F4PGA toolchain on my MAC M1 of Arch64 Ubuntu by UTM, then succeeded to download into Arty-A7 to confirm the bit file. For someone who is interested in it, have just summarized all procedures on the following URL. https://jun1okamura.medium.com/build-and-install-the-fossi-fpga-toolchain-f4pga-on-the-a[…]5?source=friends_link&sk=c36cdc5bf5616d4ac6a5c728179447b3 Enjoy! and let me know any feedback.