Update to upstream version '1.6.1'
with Debian dir 8d76976dab79063986be9ef370af2caa0b91983a

Update to upstream version '1.6.0'
with Debian dir fa782a7b82064047144190e5e22b1a3cb4bd90e8

Closes: #1049483

Closes: #1048106

Update to upstream version '1.5.2'
with Debian dir e7a62c4d723084172f2aef95c9996ef5dfddbac6

Update to upstream version '1.5.1'
with Debian dir 6304e28861c2427ed94fbff2fbf8791502138b16

This introduces a couple of functions in version 1.5.0 and also
triages architecture specific functions more precisely than just
marking them optional.

Update to upstream version '1.5.0'
with Debian dir 0b231382b3abc9343de6138e81fbb53d6ba9538f

Functions using extensions proceed to checks before making use of them
at run time, thus avoiding cpu baseline violation.