* Use ZLIB and PCRE imported target to improve portability * Set EXPAT and SQLite3 library for XML and SQL if POCO_UNBUNDLED is true in cmake build
This fixes problems when a project adds a directory to CMAKE_PREFIX_PATH, then calls find_package(Poco ...) and afterwards calls find_package() for another project located in one of the directories of the original CMAKE_PREFIX_PATH variable.
The generated PocoConfig.cmake can be used by other CMake projects using find_package.