Hi, Vineet Gupta wrote, > On 08/08/2016 02:44 PM, Petri Gynther wrote: > > uclibc-ng & ARC developers: > > > > I'm trying to use buildroot to build the latest ARC toolchain > > (arc-2016.09-eng007) against our vendor-provided 2.6.35.12 ARC Linux > > kernel. (Yes, it is an ancient kernel, but that's what I have to work > > with for now, unfortunately.) > > > > ... > > > > > > Questions: > > 1) Does the latest ARC toolchain use some new ABI for binaries that > > makes them incompatible with 2.6.35.12 kernel? > > Indeed even if you were to build it successfully - you will run into ABI issues - > 2.6.35 is ABI v1 and we are currently at v3 (which is going to change soon even > further to v4 - for ARC HS processors) > More details at: > https://github.com/foss-for-synopsys-dwc-arc-processors/linux/wiki/ARC-Linux-Syscall-ABI-Compatibility > > > 2) Is uclibc-ng 1.0.17 supposed to be compatible with 2.6.x kernel headers? > > No - modern/upstream uClibc-ng is not compatible with 2.6.35 > You need to use the uClibc of the time - with pairing gcc/binutils - although that > will be a can of worms This is only the case for ARC, right? Other architectures should work fine, like MIPS or ARM. best regards Waldemar
