invalid gcc option "-fbracket-depth="

[florianschanda]

Hi,

I am puzzled by this option. I just cannot find any reference to it in the gcc docs, and indeed gcc does not accept it. I can find some reference to it in bug reports, but no actual mention of it in the official gcc manual.

I am using gcc (GCC) 6.4.1 20180409

[zhoulaifu]

Thanks for pointing out the issue. The option "-fbracket-depth" is from Clang. Gcc does not have that option. The option is to deal with situations where the generated C file gets many brackets. You can disable that option in Makefile and you should be fine most of the time. Meanwhile, I plan to optimize a bit the algorithm (there is large room!) to avoid generating too many brackets, so hopefully, that option can be safely removed in the future.