how to small the libmono.so

i build libmono.so with the git project https://github.com/Unity-Technologies/mono.but the libmono.so size is 8.3M,which the file in the unity editor is 3.3M.how can i small that file.is there any complie param wrong?

I alos want to know the answer, anyone has ideas?

hah, i resolved the problem myself. The mono is debug version, so i change the script to build release one.
remove the ā€œ-gā€ build option.