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# Steps to reproduce
1. Download sample project.
2. Attempt to build.
# Expected behavior
1. Project builds successfully.
# Actual behavior
Error Executing Task Codesign: Required property 'SigningKey' not set.
Note that this is completely random at this time. Failing around 25% of the time.
# Supplemental info (logs, images, videos)
Logs and sample project attached.
# Test environment (full version information)
=== Xamarin Studio Business ===
Version 6.1 (build 5383)
Installation UUID: 8c693a86-8255-42e4-b7da-04319b8016af
Mono 4.6.0 (mono-4.6.0-branch/3ed2bba) (64-bit)
GTK+ 2.24.23 (Raleigh theme)
Package version: 406000182
=== NuGet ===
=== Xamarin.Profiler ===
=== Apple Developer Tools ===
Xcode 7.3.1 (10188.1)
=== Xamarin.iOS ===
Version: 188.8.131.52 (Xamarin Business)
Build date: 2016-08-30 18:12:06-0400
=== Xamarin.Android ===
Version: 184.108.40.206 (Xamarin Business)
Android SDK: /Users/pierce/Library/Developer/Xamarin/android-sdk-macosx
Supported Android versions:
4.0.3 (API level 15)
4.4 (API level 19)
4.4.87 (API level 20)
5.0 (API level 21)
6.0 (API level 23)
SDK Tools Version: 25.1.7
SDK Platform Tools Version: 24.0.1
SDK Build Tools Version: 23.0.3
Java SDK: /usr
java version "1.7.0_71"
Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)
Android Designer EPL code available here:
=== Xamarin Android Player ===
=== Xamarin.Mac ===
Version: 220.127.116.11 (Xamarin Business)
=== Build Information ===
Release ID: 601005383
Git revision: 37159a7d0c1ed6c9f661210879e9e233ca92e65d
Build date: 2016-08-30 22:07:20-04
Xamarin addins: 00a35f60101b50c8fa28b2b8c0e5b8ade85f7083
Build lane: monodevelop-lion-cycle8
=== Operating System ===
Mac OS X 10.11.6
Darwin Pierces-MacBook-Pro.local 15.6.0 Darwin Kernel Version 15.6.0
Thu Jun 23 18:25:34 PDT 2016
Created attachment 17349 [details]
Created attachment 17350 [details]
Created attachment 17351 [details]
You need to have a valid signing certificate for Simulator builds now since the Simulator requires that dylibs and frameworks are codesigned.
The above PR was applied to C8 but we're looking into a way of avoiding the need for a codesign key in some simple cases where the user does not have custom Frameworks and/or dylibs (and where we'd auto-disable incremental builds + warn)
Actually, I'm just going to close this bug since technically it is fixed and there's an email thread about making msbuild not require certificates for Simulator builds that PR 833 is really meant to fix.
got it @jeff... will make 44033 a dup of 44357. We'll test this fix with 44357.
*** This bug has been marked as a duplicate of bug 44357 ***