sox is impacted by the microblaze-specific gcc bug #68485 [0], which is still unfixed as of gcc 12.x. As for all other impacted packages, force no optimisation when using a toolchain riddled with that bug. Fixes: http://autobuild.buildroot.net/results/ac4/ac4fbd55529ac7b4e635a11766f842cd25a833a1/ [0] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485 Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>