Support #763

Updated by Madars about 2 years ago

* - Improve CID generation with more randomness with 15 bits of tv_usec for UTC date.
* - *udataobj/RM* Oracle_XA RM shall use "-L${ORACLE_HOME}/lib" instead of "-L$(ORACLE_HOME)/lib"
* - buildtools incorrectly checks lib64 directory, thus adds /usr/lib to cc instead of /usr/lib64, which gives some compiler warnings

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