looks like error moved due makefile changes: Making all in probe-busybox Makefile:366: *** target pattern contains no '%'. Stop. gmake[1]: *** [Makefile:496: all-recursive] Error 1 and are you saying it really builds there? there is literally no changes, except if bsd make also comes into play no idea, it feels like you missed a fix 2 times but if it builds on 14 i have to check then. and nevermind you had a 13.5? i also have that, and it'd even standard. from what i seem, the fact which compilers i have installed shouldn't matter for apperant make error? and whatever it is, i'm sure it will also bite others i have 15-current armv7 vm i could build it in too. tbh, i could even boot amd64 14 vm for test. but isn't it a makefile syntax error, and all your changes were around CC=?