Hermes iOS not building with use_frameworks!

[bhishakBitcanny]

Bug Description

I have created a new project and trying to build it with Hermes enabled. When I try without use_frameworks! mentioned in podfile application builds fine. But after mentioning use_frameworks! I get the following error mentioned in the attached screenshot. Is there a way to build with use_frameworks!?

• I have run gradle clean and confirmed this bug does not occur with JSC

Hermes version:
React Native version (if any): 0.64.2
OS version (if any): 11.4 macOS Big Sur
Xcode version: 12.5.1

Steps To Reproduce

1. Create a new RN project
2. Make sure hermes is enabled :hermes_enabled => true
3. Add use_frameworks! under target
4. Build and face the error

code example:

The Expected Behavior

Successfully build with hermes enabled also with use_frameworks!

[lethienhung]

I've the same issue

[Huxpro]

Thanks for reporting. This is a known problem. But TBH I'm not sure what's the plan to fix it (0.65 doesn't seem to fix it).

cc @Titozzz and @grabbou who may have some more contexts.

[Titozzz]

From what I know for now:
Hermes is broken with useframeworks on 0.64 and 0.65 ( but the error is not the same ) and Hermes is broken with flipper as indicated inside the podfile when you generate a new project. I personally haven't had time to really use hermes on iOS yet.

I'm not using useframeworks at all so I'm not sure what is the issue here.

But I think working on compatibility with flipper could be nice. IIRC the issue is with RSocket

[WVinsmoke1997]

use_frameworks!?

[bhishakBitcanny]

Thanks, @Titozzz, and @Huxpro for the info.

[marf]

Hello, any news for a fix ?

We want to use Hermes but also need to keep use_frameworks! which is needed for some libraries we use.

Thanks!

[mjmasn]

Seems to still be an issue in React Native 0.66 (get this error facebook/react-native#32451)

[romanbarzyczakgelato]

Hi,
Any updates about it? Is it gonna be fixed?

[Gu1K]

Hello, Any updates about it?

[jpporto]

Hi,

Thanks for bringing our attention to this. It turns out this is an RN issue, not a hermes one, so I'll close this bug.

The RN team is currently investigating a fix for this. If you want more updates please open an issue on https://github.com/facebook/react-native.

John Paul