Revert "GNUmakefile: Don't compile.gch with -std=c++11" This wasn't the problem.
Revert "GNUmakefile: Don't compile.gch with -std=c++11"
This wasn't the problem.

This reverts commit e97e74b682aa1692fd72fe63f22b991176bb3e4e.

bjourne/factor,bjourne/factor,nicolas-p/factor,AlexIljin/factor,mrjbq7/factor,dch/factor,bjourne/factor,AlexIljin/factor,dch/factor,bpollack/factor,AlexIljin/factor,bjourne/factor,AlexIljin/factor,slavapestov/factor,factor/factor,slavapestov/factor,nicolas-p/factor,factor/factor,tgunr/factor,factor/factor,bpollack/factor,mrjbq7/factor,bjourne/factor,slavapestov/factor,slavapestov/factor,slavapestov/factor,dch/factor,tgunr/factor,slavapestov/factor,nicolas-p/factor,mrjbq7/factor,factor/factor,nicolas-p/factor,mrjbq7/factor,dch/factor,mrjbq7/factor,factor/factor,bpollack/factor,tgunr/factor,tgunr/factor,bpollack/factor,bpollack/factor,bpollack/factor,tgunr/factor,nicolas-p/factor,dch/factor,dch/factor,bjourne/factor,AlexIljin/factor,nicolas-p/factor,tgunr/factor,mrjbq7/factor,AlexIljin/factor,bjourne/factor,slavapestov/factor,bpollack/factor,nicolas-p/factor,factor/factor,AlexIljin/factor