Squashed 'cmake/yacma/' changes from 19ed5f95..9b555308
Squashed 'cmake/yacma/' changes from 19ed5f95..9b555308

9b555308 More YACMA bits.
8d4e2917 yacma fix for recent CMake versions.
4942670c Merge commit '9dd6fbba6dc9283ac77899901e6c026d0b016e23' into pr/dates
a0fa858c Update copyright dates for 2020.

git-subtree-dir: cmake/yacma
git-subtree-split: 9b5553088aba21f8deab536aae3551f09cce4e49

bluescarni/mppp,bluescarni/mppp,bluescarni/mppp