drop shadow build (to match other qt5 packages where it has been problematic)
drop upstreamed patches
rebase no-icudtl-dat.patch
pull in upstream gcc8 FTBFS fix
update clean_ffmpeg whitelist
patches needswork: system-nspr-prtime,system-icu-utf,no-sse2,skia-neon,icu59
minimal debug/debuginfo (for now)
use macros %make_build %ldconfig_scriptlets %__ninja %__ninja_common_opts
Rex Dieter