cinterop configuration (?) problem I think This c...

# kotlin-native

[ribesg]

cinterop configuration (?) problem I think

This commit broke my build https://github.com/bugsnag/bugsnag-cocoa/commit/82fee49fdeb0b46a9855e1fd8f2344f8c03fc0f4
It basically changes all imports from something like #import "BugsnagApp.h" to something like #import <Bugsnag/BugsnagApp.h>

Error:

Exception in thread "main" java.lang.Error: /[…]/Carthage/Build/iOS/Bugsnag.framework/Headers/Bugsnag.h:28:9: fatal error: 'Bugsnag/BugsnagApp.h' file not found
	at org.jetbrains.kotlin.native.interop.indexer.UtilsKt.ensureNoCompileErrors(Utils.kt:152)
	at org.jetbrains.kotlin.native.interop.indexer.IndexerKt.indexDeclarations(Indexer.kt:1003)
	at org.jetbrains.kotlin.native.interop.indexer.IndexerKt.buildNativeIndexImpl(Indexer.kt:992)
	at org.jetbrains.kotlin.native.interop.indexer.NativeIndexKt.buildNativeIndex(NativeIndex.kt:91)
	at org.jetbrains.kotlin.native.interop.gen.jvm.MainKt.processCLib(main.kt:267)
	at org.jetbrains.kotlin.native.interop.gen.jvm.MainKt.interop(main.kt:73)
	at org.jetbrains.kotlin.cli.utilities.InteropCompilerKt.invokeInterop(InteropCompiler.kt:45)
	at org.jetbrains.kotlin.cli.utilities.MainKt.mainImpl(main.kt:19)
	at org.jetbrains.kotlin.cli.utilities.MainKt.main(main.kt:41)

My def file:

depends = Foundation
package = framework.Bugsnag
language = Objective-C
headers = Bugsnag.h

compilerOpts = -framework Bugsnag
linkerOpts = -framework Bugsnag

Gradle cinterop configuration:

compilations.getByName("main").cinterops.create("Bugsnag") {
            defFile("src/iosMain/cinterop/Bugsnag.def")
            includeDirs.allHeaders("$projectDir/Carthage/Build/iOS/Bugsnag.framework/Headers")
        }

What can I do to make cinterop work with that commit’s change?

[ribesg]

@Artyom Degtyarev [JB] any idea?

[Artyom Degtyarev [JB]]

Currently looking at it. How do the Headers folder contents look like, the same as at the https://github.com/bugsnag/bugsnag-cocoa/tree/master/Bugsnag/include/Bugsnag?

[ribesg]

It looks like it

[ribesg]

message has been deleted

[Artyom Degtyarev [JB]]

As far as I can see, one should go with modules instead of headers here. Can’t construct working example on my own, but I would guess it should look somehow similar to K/N platform libraries .defs(e.g. https://github.com/JetBrains/kotlin-native/blob/master/platformLibs/src/platform/osx/AppKit.def)

[ribesg]

I changed my cinterop configuration to this:

targets.withType<KotlinNativeTarget> {
        compilations.getByName("main").cinterops.create("Bugsnag") {
            defFile("src/iosMain/cinterop/Bugsnag.def")
            includeDirs.allHeaders(
                "${project.carthageBuildDir}/Bugsnag.framework/Headers",
                "${project.carthageBuildDir}/Bugsnag.framework/Modules"
            )
        }
    }

And my def file to this:

depends = Foundation
package = framework.Bugsnag
language = Objective-C
modules = Bugsnag

compilerOpts = -framework Bugsnag
linkerOpts = -framework Bugsnag

And I get this error:

Exception in thread "main" java.lang.Error: /var/folders/6l/fxc2038542q1pfrjs6br35pw0000gn/T/7677652267403620526.m:1:9: fatal error: could not build module 'Bugsnag'
	at org.jetbrains.kotlin.native.interop.indexer.UtilsKt.ensureNoCompileErrors(Utils.kt:152)
	at org.jetbrains.kotlin.native.interop.indexer.ModuleSupportKt.getModulesASTFiles(ModuleSupport.kt:68)
	at org.jetbrains.kotlin.native.interop.indexer.ModuleSupportKt.getModulesInfo(ModuleSupport.kt:14)
	at org.jetbrains.kotlin.native.interop.gen.jvm.MainKt.buildNativeLibrary(main.kt:507)
	at org.jetbrains.kotlin.native.interop.gen.jvm.MainKt.processCLib(main.kt:265)
	at org.jetbrains.kotlin.native.interop.gen.jvm.MainKt.interop(main.kt:73)
	at org.jetbrains.kotlin.cli.utilities.InteropCompilerKt.invokeInterop(InteropCompiler.kt:45)
	at org.jetbrains.kotlin.cli.utilities.MainKt.mainImpl(main.kt:19)
	at org.jetbrains.kotlin.cli.utilities.MainKt.main(main.kt:41)

[ribesg]

@Artyom Degtyarev [JB] I made a reproducer https://github.com/Ribesg/kotlin-reproducer/tree/cinterop-bugsnag

[Artyom Degtyarev [JB]]

I got stuck with Task :compileKotlinIos FAILED , but on a simpler example everything worked fine. I’ve made the following:
1. added path to the framework, set as a compiler option under -F flag
2. changed include path to point onto the framework too.
For the example you shared, I’ve tried to do it as

compilations.getByName("main").cinterops.create("Bugsnag") {
            defFile("src/iosMain/cinterop/Bugsnag.def")
            //includeDirs(
             //   "$projectDir/carthage/Carthage/Build/iOS/Bugsnag.framework/Headers",
               // "$projectDir/carthage/Carthage/Build/iOS/Bugsnag.framework/Modules"
            //)
            compilerOpts("-F$projectDir/carthage/Carthage/Build/iOS/","-I$projectDir/carthage/Carthage/Build/iOS/")
        }

Please give it a try, and tell if this would work any better.

[ribesg]

Thanks, it seem to work in the real project!