K 10
svn:author
V 6
adridg
K 8
svn:date
V 27
2019-01-09T22:40:25.610498Z
K 7
svn:log
V 327
Fix build on PPC64 and on others with unusual environments

 - If OPTIONS don't match the environment, pass suitable CMake
   arguments; modernise the one for gpsd
 - Import patches from Gentoo, already submitted upstream, for
   dealing with optional dependencies

Reported by:	Piotr Kubaj
Obtained from:	Andreas Sturmlechner

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