Build Mesa with 1 GL driver 10% faster
This compiles marshal_generated.c by forcing -O1 for 1 function and splitting the rest into 7 separate .c files.
Mesa with only radeonsi and 3 state trackers: gl, vdpau, vaapi
Before:
real 1m5.680s
user 12m21.411s
sys 0m41.971s
After:
real 0m59.246s
user 12m3.837s
sys 0m43.346s
CPU: Ryzen 1700X