Squashed 'cmake/yacma/' changes from 1c81092..8db9ea9
Squashed 'cmake/yacma/' changes from 1c81092..8db9ea9

8db9ea9 yacma: enable new GCC 8 warning flag.

git-subtree-dir: cmake/yacma
git-subtree-split: 8db9ea97856effb31d489515587c30ebf9238e8f

bluescarni/mppp,bluescarni/mppp,bluescarni/mppp