Prism for Android arm, is it possible?

[diamondStar35]

Hello.

While working on one of my projects which uses Prism, some users wanted to create an Android arm32-v7a version of it.

I checked the latest release of Prism and found out that Prism does not support this architecture because the JNI folder contains only 2 folders, one for x86-64, and another for arm64-v8a.

I do not know if this is possible or not, to build Prism for arm-v7a architecture.

Regards.

[diamondStar35]

@ethindp
Could you take a look at this? I generally wouldn't comment more than once on a discussion because this is annoying for developers, but I believe you haven't gotten any notifications about this discussion? It's open for a week now.

[ethindp]

@diamondStar35 I have looked at this, and I'm not sure if the effort required would be worth it. Is there a specific reason you want this added? Google Play, since 2019 or so, has required 64-bit support to be available. The biggest issue I see with this is ARM's significantly weaker memory model than even what Aarch64 imposes. It would be incredibly easy for me to write some code in Prism which violates the ARM memory model without me realizing it because I have no way of verifying the correctness in that environment (and Android unit tests are currently a non-starter due to GMS issues). So it would be a constant ongoing source of potentially latent bugs that I (and other contributors) would need to account for.

[diamondStar35]

@ethindp
I myself don't have a specific reason to add arm support because it's mostly depricated on phones nowadays. I only requested this for people who complain about one of my projects saying that there are still people who use arm and not arm-64, so I thought this could be easily possible without all these complexity and memory issues.

[ethindp]

@diamondStar35 No worries. 32-bit support is unsupported for Prism in general.