Bug 53377 - mtouch error about not being able to find libmonosgen-2.0.dylib, while building a XF sample
Summary: mtouch error about not being able to find libmonosgen-2.0.dylib, while buildi...
Alias: None
Product: iOS
Classification: Xamarin
Component: General ()
Version: master
Hardware: PC Mac OS
: --- normal
Target Milestone: Untriaged
Assignee: Bugzilla
Depends on:
Reported: 2017-03-15 21:20 UTC by Ankit Jain
Modified: 2017-03-15 21:34 UTC (History)
1 user (show)

Is this bug a regression?: ---
Last known good build:

msbuild.log (4.35 MB, application/octet-stream)
2017-03-15 21:21 UTC, Ankit Jain

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Description Ankit Jain 2017-03-15 21:20:41 UTC
mono-4.8.0-branch/0494d70 Thu Mar  2 21:19:48 EST 2017
XI master/ba3413ce4df70670d6817cb5eb3955d38c896602

I'm trying to build:



$ msbuild /v:diag /Users/ankit/dev/xamarin-forms-samples//Behaviors/EffectBehavior/EffectsDemo.sln /flp:Verbosity:diag /flp:LogFile=/Users/ankit/dev/msbuild-tests/logs/xamarin-forms-samples.tl/EffectsDemo.sln/xbuild.log /p:CodesignEntitlements= /p:Configuration=Debug /p:Platform=iPhoneSimulator

I get the same error with msbuild and xbuild.

MTOUCH : warning MT0078: Incremental builds are enabled with a deployment target < 8.0 (currently 7.0). This is not supported (the resulting application will not launch on iOS 9), so the deployment target will be set to 8.0. [/Users/ankit/dev/xamarin-forms-samples/Behaviors/EffectBehavior/iOS/EffectsDemo.iOS.csproj
MTOUCH : error MT0000: Unexpected error - Please file a bug report at http://bugzilla.xamarin.com [/Users/ankit/dev/xamarin-forms-samples/Behaviors/EffectBehavior/iOS/EffectsDemo.iOS.csproj]
  System.IO.FileNotFoundException: /Users/ankit/dev/xamarin-macios/_ios-build/Library/Frameworks/Xamarin.iOS.framework/Versions/git/SDKs/MonoTouch.iphonesimulator.sdk/usr/lib/libmonosgen-2.0.dylib does not exist
  File name: '/Users/ankit/dev/xamarin-macios/_ios-build/Library/Frameworks/Xamarin.iOS.framework/Versions/git/SDKs/MonoTouch.iphonesimulator.sdk/usr/lib/libmonosgen-2.0.dylib'
    at System.IO.File.Copy (System.String sourceFileName, System.String destFileName, System.Boolean overwrite) [0x001bd] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/corlib/System.IO/File.cs:109
    at Xamarin.Bundler.Application.CopyFile (System.String source, System.String target) [0x0004f] in /Users/ankit/dev/xamarin-macios/tools/common/Application.cs:359
    at Xamarin.Bundler.Application.UpdateFile (System.String source, System.String target, System.Boolean check_contents) [0x00010] in /Users/ankit/dev/xamarin-macios/tools/common/Application.cs:287
    at Xamarin.Bundler.Application.BuildFinalExecutable () [0x00053] in /Users/ankit/dev/xamarin-macios/tools/mtouch/Application.cs:1071
    at Xamarin.Bundler.Application.Build () [0x00072] in /Users/ankit/dev/xamarin-macios/tools/mtouch/Application.cs:557
    at Xamarin.Bundler.Driver.Main2 (System.String[] args) [0x00513] in /Users/ankit/dev/xamarin-macios/tools/mtouch/mtouch.cs:1435
    at Xamarin.Bundler.Driver.Main (System.String[] args) [0x0000f] in /Users/ankit/dev/xamarin-macios/tools/mtouch/mtouch.cs:949
  Tool /Library/Frameworks/Xamarin.iOS.framework/Versions/Current/bin/mtouch execution finished.
  Output Property: _CompiledArchitectures=i386
Done executing task "MTouch" -- FAILED.

Diag logs from xbuild and msbuild are attached.
Comment 1 Ankit Jain 2017-03-15 21:21:07 UTC
Created attachment 20368 [details]
Comment 2 Ankit Jain 2017-03-15 21:34:35 UTC
It was my mistake. You need to `make install` before `make install-system`!