iOS merge several framework into one

Question

After watching the WWDC 2016 video optimizing App Startup time, Apple suggested developer can merge several frameworks (dynamic library not static) into one to improve the app c

Answer 1

I can combine two frameworks (static library only) into one using

libtool -static -o new.framework SwiftJSON.framework/SwiftJSON Shimmer.framework/Shimmer

The script from this github maybe helpful https://gist.github.com/evands/8ba4f227b00ae14a9303

P.S. Merging static library does not reduce the cold start time