[uclibc-ng-devel] Building with 2.6.22 kernel headers

Hi, I've reported build failure with vanilla 2.6.22 kernel headers some while ago. I then turned to a custom mipsel kernel that fixed the issue. However, now I need an ARMv5 2.6.22 toolchain to support some legacy devices, which leads to the same issue. The problems happen when libc/inet/if_index.c and libc/inet/ifaddrs.c are being compiled. There's clearly a conflict between kernel headers (<linux/uio.h> and <linux/socket.h>) and some uClibc-ng headers (<bits/uio.h> and <bits/socket.h>): some types (like struct iovec) are being re-defined. For Optware-ng, I fixed this by making sure that <bits/uio.h> and <bits/socket.h> are skipped: https://github.com/Optware/Optware-ng/blob/708a15da10edde62d90bd7d490bf76cc… https://github.com/Optware/Optware-ng/blob/708a15da10edde62d90bd7d490bf76cc… These patches allowed me to build uClibc-ng 1.0.13, and produced a working toolchain (tested some built packages on an ARMv7 router). However, I haven't tested it on any kernel headers versions other than 2.6.22, so more investigation is needed. There should be a more elegant way around this, I think, but I'm sharing this in hope that it can be useful. -- Regards, Alex