**** BEGIN LOGGING AT Tue Jul 18 03:00:03 2017 Jul 18 14:11:38 turns out I needed: SECURITY_CFLAGS = "${SECURITY_NO_PIE_CFLAGS}" Jul 18 14:11:56 SECURITY_LDFLAGS = "" Jul 18 14:15:10 should this be documented somewhere in the docs? Jul 18 15:11:39 khem, analyzing decompress.o one diff is evident Jul 18 15:12:05 khem, with gcc6 it compiles the aeabi long long helper Jul 18 15:12:35 I mean it is listed as undefined symbol Jul 18 15:25:59 khem, __aeabi_llsl <- this is not in the symbols of decompress.o (the gcc7 - non booting) Jul 18 18:49:00 its possible that gcc7 is able to generate the code without need for this builtin Jul 18 18:49:20 you need to dump the specific area of code where this call is generated Jul 18 18:49:23 and compatre Jul 18 18:49:27 compare Jul 18 21:16:19 khem, what is your trick to get more linker logs within OE? Jul 18 21:28:33 I am brutally adding flags to kernel.bbclass to avoid rebuilds **** ENDING LOGGING AT Wed Jul 19 03:00:03 2017