Control: reassign -1 src:blender Control: retitle -1 blender: Change compile to -std=c++14 It turns out that blender is being compiled with -std=c++11 while the default mode for gcc is now -std=c++14. This breaks compilation since forward compatibility c++11 -> c++14 is not handled. Please change blender compilation to use default c++14, which I believed is also mandated by Debian handbook.