fix compile when no core_version.h exists
#3877
| Job | Run time |
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| 7m 32s | |
| 2m 3s | |
| 1m 49s | |
| 1m 40s | |
| 1m 47s | |
| 1m 43s | |
| 1m 48s | |
| 1m 2s | |
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| 1m 46s | |
| 1m 14s | |
| 1m 41s | |
| 1m 41s | |
| 50s | |
| 1m 38s | |
| 44s | |
| 1m 46s | |
| 1m 40s | |
| 1m 25s | |
| 1m 12s | |
| 1m 40s | |
| 4m 35s | |
| 4m 26s | |
| 1m 42s | |
| 4m 39s | |
| 1m 47s | |
| 4m 43s | |
| 1m 41s | |
| 4m 43s | |
| 4m 40s | |
| 4m 44s | |
| 5m 4s | |
| 1m 54s | |
| 1m 47s | |
| 1m 51s | |
| 1m 37s | |
| 2m 55s | |
| 1m 43s | |
| 4m 27s | |
| 1m 53s | |
| 2m 33s | |
| 1m 45s | |
| 1m 41s | |
| 2m 26s | |
| 3m 58s | |
| 1m 38s | |
| 1m 42s | |
| 1m 26s | |
| 1m 49s | |
| 1m 53s | |
| 1m 40s | |
| 1m 51s | |
| 1m 42s | |
| 1m 42s | |
| 2m 4s | |
| 1m 42s | |
| 1m 32s | |
| 1m 40s | |
| 1m 38s | |
| 2h 15m 0s |