Johann 74a61b5ab9 configure: clean up var style and set_all usage
Use quotes whenever possible and {} always for variables.

Replace multiple set_all calls with *able_feature().

Change-Id: If579d3f718bd4133cf1592b4554a8ed00cf9f2d3
2016-06-23 22:15:13 +00:00
..
2016-06-17 18:26:08 -07:00