+config TARGET_OPTIMIZATION
+ string
+ prompt "Target Optimizations" if TOOLCHAINOPTS
+ default "-Os -pipe -march=i486 -funit-at-a-time" if i386
+ default "-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time" if mipsel || mips
+ default "-Os -pipe -funit-at-a-time"