Revamp CMake support #984

Job	Run time
build (shared, sqlite3, ubuntu-22.04, 14, false, false)	29s
build (shared, postgresql, ubuntu-22.04, 14, false, false)	41s
build (shared, mysql, ubuntu-22.04, 14, false, false)	31s
build (shared, firebird, ubuntu-22.04, 14, false, false)	41s
build (shared, oracle, ubuntu-22.04, 14, false, false)	1m 19s
build (shared, odbc, ubuntu-22.04, 14, false, false)	45s
build (shared, empty, ubuntu-22.04, 14, false, false)	44s
build (shared, valgrind, ubuntu-22.04, 14, false, false)	46s
build (static, sqlite3, ubuntu-22.04, 14, false, false)	29s
build (static, postgresql, ubuntu-22.04, 14, false, false)	37s
build (static, mysql, ubuntu-22.04, 14, false, false)	48s
build (static, firebird, ubuntu-22.04, 14, false, false)	1m 18s
build (static, oracle, ubuntu-22.04, 14, false, false)	1m 25s
build (static, odbc, ubuntu-22.04, 14, false, false)	47s
build (static, empty, ubuntu-22.04, 14, false, false)	33s
build (static, valgrind, ubuntu-22.04, 14, false, false)	41s
build (empty, macos-14, true)	15s
build (postgresql, macos-14, true)	30s
build (sqlite3, macos-14, true)	15s
build (sqlite3, 17, ubuntu-22.04, SQLite3 Cxx17)	43s
build (empty, true, ubuntu-22.04, Release package)	31s
build (empty, true, ubuntu-22.04, Examples)	50s
	15m 38s

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