How do we get Godot to export the dylib/so files when using the debug/run on Android button in the top right?

fengli · December 11, 2023, 8:42am

My libraries aren’t being exported and it is not clear why. I get this cursed error no matter what I try.

No suitable library found for GDExtension: res://polla-gui.gdextension. Possible feature flags for your platform: mobile, android, etc2, astc, arm32, arm64, template, debug, template_debug

I’ve read this and its no clearer to me:

github.com/godotengine/godot

GDExtension export error message sounds like it requires every feature flag to be part of the library name

opened 07:57AM - 20 Jul 22 UTC

closed 04:44PM - 07 Nov 22 UTC

nathanfranke

enhancement discussion topic:gdextension

Those who want to fix this issue, details are laid out here: https://github.com/…godotengine/godot/issues/63227#issuecomment-1190012908 --- ### Godot version v4.0.alpha.custom_build [7378dc6c9] ### System information Arch on 5.18.11-arch1-1 ### Issue description Exporting my test project to Linux gives the error: ``` Couldn't export extension: res://addons/example/example.gdextension. No suitable library found for export flags: pc, s3tc, linux, 64, debug ``` ~~[According to the code](https://github.com/godotengine/godot/blob/master/editor/plugins/gdextension_export_plugin.h#L60-L110), _all_ feature flags need to be part of the library tags. This means I need to name the library `linux.debug.pc.s3tc.x86_64`. This is unrealistic, as I shouldn't need to update my extension just because I changed the way textures are imported or whatever.~~ Edit: I misread the code, it's the other way around- all library tags must be part of the feature flags. However, the error should still be amended to be more clear. . In addition, the export flags mismatch the GDExtension names (e.g. `64` instead of `x86_64`, `arm64-v8a` instead of `arm64`). This should probably be fixed in https://github.com/godotengine/godot/pull/55778, CC @aaronfranke Edit: This is where most of my problem stemmed. It is mostly fixed after checking out that PR, but I added some additional suggestions to the PR itself. ### Steps to reproduce 1) Try to export a project with a GDExtension, you will probably get the error out of the box. ### Minimal reproduction project https://github.com/nathanfranke/gdextension

I have tried editing the “feature flags” in my .gdextension file to every possible permutation of android, debug, template_debug, arm64, and tried just throwing every possible combination I can imagine in there:

[configuration]
entry_symbol = "gdext_rust_init"
compatibility_minimum = 4.1
reloadable = true

[libraries]
macos.arm64 = "res://lib_polla_aarch64-apple-darwin_release.dylib"
android.arm64 = "res://lib_polla_aarch64-linux-android_release.so"
android.armeabi-v7a = "res://lib_polla_armv7-linux-androideabi_release.so"

macos.debug.arm64 = "res://lib_polla_aarch64-apple-darwin_debug.dylib"
android.debug.arm64 = "res://lib_polla_aarch64-linux-android_debug.so"
android.debug.armeabi-v7a = "res://lib_polla_armv7-linux-androideabi_debug.so"

macos.template_debug.arm64 = "res://lib_polla_aarch64-apple-darwin_debug.dylib"
android.template_debug.arm64 = "res://lib_polla_aarch64-linux-android_debug.so"
android.template_debug.armeabi-v7a = "res://lib_polla_armv7-linux-androideabi_debug.so"

macos.template_release.arm64 = "res://lib_polla_aarch64-apple-darwin_release.dylib"
android.template_release.arm64 = "res://lib_polla_aarch64-linux-android_release.so"
android.template_release.armeabi-v7a = "res://lib_polla_armv7-linux-androideabi_release.so"

On the Export panel/window, I have tried every possible permutation of “Feature flag” string in the Export box, including “no text” in the box

Should there be anything in the “feature flags” string/text box? Or does Godot add them itself while building? What even is the point of the “feature flags” box?

What are the correct things to put in the actual .gdextension file, I have seen a few different variations of what can go in there. I’ve even tried just throwing all the possible variations I have seen into the file: