Move custom build in setup.py to custom backend in _custom_build
#1527
| Job | Run time |
|---|---|
| 15m 35s | |
| 10m 1s | |
| 36m 10s | |
| 25s | |
| 1h 13m 52s | |
| 29m 6s | |
| 29m 11s | |
| 26m 28s | |
| 32m 42s | |
| 11s | |
| 55m 57s | |
| 8m 28s | |
| 27m 47s | |
| 37m 55s | |
| 28m 10s | |
| 26m 31s | |
| 0s | |
| 0s | |
| -1s | |
| -1s | |
| -1s | |
| 43m 35s | |
| 29m 6s | |
| 28m 10s | |
| 8m 28s | |
| 26m 31s | |
| 25s | |
| 1h 13m 52s | |
| 29m 11s | |
| 11s | |
| 36m 10s | |
| 37m 55s | |
| 26m 28s | |
| 27m 47s | |
| 15m 35s | |
| 55m 57s | |
| 32m 42s | |
| 11s | |
| 1m 28s | |
| -1s | |
| -1s | |
| -1s | |
| 15h 12m 5s |