QNX reports the architecture as aarch64le (on little-endian machines), which matches neither aarch64 nor aarch64_be. I don't know how standardized these architecture names are supposed to be. This may be a trivial change to add or a contentious topic. Hopefully the former.
Thanks, --Elad
diff --git a/config.sub b/config.sub index 38f3d03..fe4f843 100755 --- a/config.sub +++ b/config.sub @@ -1175,7 +1175,7 @@ case $cpu-$vendor in case $cpu in 1750a | 580 \ | a29k \ - | aarch64 | aarch64_be \ + | aarch64 | aarch64_be | aarch64le \ | abacus \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
