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Created attachment 15940 [details]
Inconsistency vs. other C# project types: "Copy if newer" setting causes iOS project to run build targets on every build attempt
## Steps to replicate
1. Open the attached test case in Visual Studio. (Tested in Visual Studio 2015 Update 2.)
2. Ensure XamarinVS is connected to a Mac build host.
3. Build the "UnifiedSingleViewIphone1" project in the "Debug|iPhone" configuration.
4. Once the build completes, build the project again without cleaning (for example, select "Build > Build UnifiedSingleViewIphone1" from the menus).
The project builds again every time because the "copy to output file" is "missing":
> Project 'UnifiedSingleViewIphone1' is not up to date. Copy to output file 'C:\source\CopyIfNewerAlwaysBuilds\UnifiedSingleViewIphone1\bin\iPhone\Debug\text\TextFile1.txt' missing from output location.
> ------ Build started: Project: UnifiedSingleViewIphone1, Configuration: Debug iPhone ------
## Expected results
The "ConsoleApplication1" project in the attached test case demonstrates the expected behavior. The `TextFile1.txt` file is copied to the output location on the first build, and subsequent builds _skip_ the build targets entirely because the outputs are already up-to-date:
> ========== Build: 0 succeeded, 0 failed, 1 up-to-date, 0 skipped ==========
## Version info (brief)
Visual Studio 2015 Update 2
XamarinVS 220.127.116.112 (fb9e9f3)
Windows 10 (64-bit)
Xamarin.iOS 18.104.22.1684 (cycle7: 6950f7b)
Xcode 7.3, Build version 7D175
OS X 10.11.4
I've moved this issue over to VSTS for further tracking:
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Thanks again for reporting this issue! <3