Watch Kit Extension target can't be compiled with LTO enabled

Originator:p.schmittat
Number:rdar://20006709 Date Originated:02-Mar-2015
Status:Open Resolved:
Product:iOS Product Version:iOS 8.2
Classification:Serious Bug Reproducible:Always
 
Summary:
When enabling LLVM_LTO (Link-Time Optimization) on a watch kit extension target it can't be compiled.

Steps to Reproduce:
Open example project
Compile project (most importantly watch kit extension target)
Find compile error

Expected Results:
No compile error as it is with normal app targets

Actual Results:
Compile error with something along the lines on the watch kit extension target:

"ld: entry point (_main) undefined. for architecture arm64"

Version:
iOS 8.2

Notes:
See attached sample project for problem

Configuration:
Macbook, OS X 10.10, Xcode 6.2 (6C121)

Attachments:
'LTO.zip' was successfully uploaded.

Comments


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