Hi, On Mon, 12 Oct 2020 15:18:26 +0200 Tobias Geerinckx-Rice wrote: > For the same reason as the *hundreds* of other ‘CC=gcc’ > occurrences in the tree: CC-FOR-TARGET is new. Out of all of > them, why are you so interested in LZ4 It's a dependency of genimage (via squashfs-tools). Breaking it breaks guix system image generation. It's a dependency of u-boot. Breaking it breaks booting on all ARM machines. So I rather didn't want to touch it without confirmation... > (I think this is your second mail on it :-)? Ludo said to send extra mails for each--so that's what I am doing. > LZ4 tweaked in 2b6ecdf41a09ab9ecae06d7c537583a2f0f28efc, Thanks!