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Fixed in 2020.1.X
Fixed in 2018.4.X, 2019.3.X
Votes
2
Found in
2018.3.0a5
2018.3.6f1
2019.1.0a1
2019.2.0a1
Issue ID
1143118
Regression
No
Identical DLL files targeting different builds with Define Constraints conflict with each other when building a project
How to reproduce:
1. Download user-submitted folder(protobuf)
2. Create a new Unity project
3. Paste the contents of the downloaded folder into the project
4. See that DevBuild/protobuf-net.dll has 'DEVELOPMENT_BUILD' as its defined constraint
5. See that Release/protobuf-net.dll has '!DEVELOPMENT_BUILD' as its defined constraint
6. Attempt to build the project
Expected result: the project is built without any errors
Actual result: the build is canceled due to dlls conflicting with each other
Reproducible with: 2018.3.0a5, 2018.3.13f1, 2019.1.0f2, 2019.2.0a11
Could not test with: 2017.4.25f1, 2018.3.0a4(Define Constraints field not present)
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ComradeVanti
May 02, 2022 09:44
Can confirm issue in 2021.2.13f1
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SevenPointRed
Nov 10, 2021 10:36
Still broken in 2021.2
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BunniesAndTurtle
Jun 07, 2021 23:06
I can still reproduce this issue in 2019.4.23f1, likely has regressed again, or a slightly different variation. This is for Newtonsoft.json.dll being in the project (but disabled by define constraints) and also included as a package, get the same conflict only when building (works correctly in editor).
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mxweas
May 26, 2021 14:12
This bug is not fixed for build targets besides "Standalone". Exporting for Android causes this bug to be triggered on all versions of Unity.
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jozhard
Aug 30, 2020 22:08
My project only supports 2018.4 (can't be run with IL2CPP, only .NET backend) and I'm suffering this issue as well... Is there any workaround?
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tobiass
Jun 11, 2020 15:59
This is not ported back to 2018.4? Why? This is clearly a bug and LTS should get bugfixed, afaik.
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Applejag
Jul 30, 2019 10:33
Is there a found workaround?
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Resolution Note (fix version 2020.1):
Fixed in 2020.1.0a3 and 2019.3.0b10
Resolution Note (fix version 2018.4):
Fixed in 2018.4.35f1