Githawk: Improve compile times

[rnystrom]

I took a stab at removing CocoaPods and didn't notice any build improvements. Instead of hacking at it, it'd be good to do some profiling of builds. Will do this and report back.

Any good tools for profiling Swift builds?

[rnystrom]

Dang, some gnarly ones:

(warning, big file)

https://github.com/rnystrom/Freetime/blob/master/culprits.txt

via:

$ xcodebuild -workspace Freetime.xcworkspace -scheme Freetime clean build OTHER_SWIFT_FLAGS="-Xfrontend -debug-time-function-bodies" | grep .[0-9]ms | grep -v ^0.[0-9]ms | sort -nr > culprits.txt

[Sherlouk]

Also worth just making sure the whole project optimisation settings are correct; that alone can save a lot of build times!

[MosheBerman]

I’ve used this one before: https://github.com/RobertGummesson/BuildTimeAnalyzer-for-Xcode/

I don’t know if works with Xcode 9, haven’t used it since Swift 2.3.

[rnystrom]

Should be helpful

http://khanlou.com/2016/12/guarding-against-long-compiles/