Hi, I do not know if it is related but these 2 packages using the waf build system are not reproducible too.
- mpv - ardour --8<---------------cut here---------------start------------->8--- $ diff -r --no-dereference /gnu/store/gb935w89qyyi4ljyaz40brai2z9wg0fr-mpv-0.30.0 /gnu/store/gb935w89qyyi4ljyaz40brai2z9wg0fr-mpv-0.30.0-check Binary files /gnu/store/gb935w89qyyi4ljyaz40brai2z9wg0fr-mpv-0.30.0/bin/mpv and /gnu/store/gb935w89qyyi4ljyaz40brai2z9wg0fr-mpv-0.30.0-check/bin/mpv differ Binary files /gnu/store/gb935w89qyyi4ljyaz40brai2z9wg0fr-mpv-0.30.0/lib/libmpv.so.1.106.0 and /gnu/store/gb935w89qyyi4ljyaz40brai2z9wg0fr-mpv-0.30.0-check/lib/libmpv.so.1.106.0 differ --8<---------------cut here---------------end--------------->8--- --8<---------------cut here---------------start------------->8--- $ diff -r --no-dereference /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12 /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12-check Binary files /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12/lib/ardour5/ardour-5.12.0 and /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12-check/lib/ardour5/ardour-5.12.0 differ Binary files /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12/lib/ardour5/engines/libclearlooks.so and /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12-check/lib/ardour5/engines/libclearlooks.so differ Binary files /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12/lib/ardour5/libardour.so.3.0.0 and /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12-check/lib/ardour5/libardour.so.3.0.0 differ Binary files /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12/lib/ardour5/libevoral.so.0.0.0 and /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12-check/lib/ardour5/libevoral.so.0.0.0 differ Binary files /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12/lib/ardour5/LV2/a-comp.lv2/a-comp.so and /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12-check/lib/ardour5/LV2/a-comp.lv2/a-comp.so differ Binary files /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12/lib/ardour5/LV2/a-eq.lv2/a-eq.so and /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12-check/lib/ardour5/LV2/a-eq.lv2/a-eq.so differ Binary files /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12/lib/ardour5/LV2/a-fluidsynth.lv2/a-fluidsynth.so and /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12-check/lib/ardour5/LV2/a-fluidsynth.lv2/a-fluidsynth.so differ Binary files /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12/lib/ardour5/LV2/reasonablesynth.lv2/reasonablesynth.so and /gnu/store/7l5isavp1db8q5mv3zq7bmk29l6ld9qp-ardour-5.12-check/lib/ardour5/LV2/reasonablesynth.lv2/reasonablesynth.so differ --8<---------------cut here---------------end--------------->8--- All the best, simon