Temporarily disabled GC (again) because phobos fails to compile with it (looks like some ObjSymbols are being falsely collected, see Library.d:666) Getting rid of global state (i.e global and static variables) to allow running concurrent compilation

#!/bin/sh
#i686-unknown-linux-gnu-g++ -c bridge/bridge.cpp -obridge.o
g++ -c bridge/bridge.cpp -obridge.o
dmd -debug -gc @commands.linux.txt && dmd -release -O -inline @commands.linux.txt #|& head