On the 'cmake-native-type' branch: Merge changes from trunk. #603

Job	Run time
Default	4m 0s
Static	3m 59s
Maintainer-mode	4m 0s
Named SHM - SysV, Maintainer-mode	4m 4s
Named SHM - Classic mmap, Maintainer-mode	3m 59s
Pool-debug	3m 58s
Pool-debug, maintainer-mode	3m 56s
Thread-debug, maintainer-mode	3m 45s
Maintainer-mode, no IPv6	4m 2s
Maintainer-mode, -Werror	4m 16s
With crypto	3m 58s
ASan	4m 14s
ASan, pool-debug	4m 40s
UBsan	4m 8s
LMDB	3m 58s
Berkeley DB v5.3	4m 18s
	1h 5m 15s

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