Kotlin Gradle script plugin can't resolve Kotlin multiplatform config

Kevin Galligan 0
Viewed 59

I've generally run into trouble trying to modularize gradle builds, so we tend to duplicate a lot of config code in multi-module builds. Trying again, I have a script plugin that currently just does some config. It applies the Kotlin Multiplatform plugin, then defines some targets.

Here is the script. 'kmp-targets.gradle.kts'

plugins {
    kotlin("multiplatform") version "1.7.10"
}

kotlin {
    macosX64()
    macosArm64()
    iosX64()
//more targets...
}

From the main 'build.gradle.kts' file, I apply the script with the following:

apply(from = "kmp-targets.gradle.kts")

Trying to run that gets the following error:

* Exception is:
ScriptCompilationException(errors=[ScriptCompilationError(message=Unresolved reference. None of the following candidates is applicable because of receiver type mismatch: 
public fun DependencyHandler.kotlin(module: String, version: String? = ...): Any defined in org.gradle.kotlin.dsl
public fun PluginDependenciesSpec.kotlin(module: String): PluginDependencySpec defined in org.gradle.kotlin.dsl, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (7:1)), ScriptCompilationError(message=Unresolved reference: macosX64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (8:5)), ScriptCompilationError(message=Unresolved reference: macosArm64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (9:5)), ScriptCompilationError(message=Unresolved reference: iosX64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (10:5)), ScriptCompilationError(message=Unresolved reference: iosArm64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (11:5)), ScriptCompilationError(message=Unresolved reference: iosArm32, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (12:5)), ScriptCompilationError(message=Unresolved reference: iosSimulatorArm64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (13:5)), ScriptCompilationError(message=Unresolved reference: watchosArm32, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (14:5)), ScriptCompilationError(message=Unresolved reference: watchosArm64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (15:5)), ScriptCompilationError(message=Unresolved reference: watchosSimulatorArm64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (16:5)), ScriptCompilationError(message=Unresolved reference: watchosX86, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (17:5)), ScriptCompilationError(message=Unresolved reference: watchosX64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (18:5)), ScriptCompilationError(message=Unresolved reference: tvosArm64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (19:5)), ScriptCompilationError(message=Unresolved reference: tvosSimulatorArm64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (20:5)), ScriptCompilationError(message=Unresolved reference: tvosX64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (21:5)), ScriptCompilationError(message=Unresolved reference: mingwX64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (23:5)), ScriptCompilationError(message=Unresolved reference: mingwX86, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (24:5)), ScriptCompilationError(message=Unresolved reference: linuxX64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (25:5)), ScriptCompilationError(message=Unresolved reference: linuxArm32Hfp, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (26:5)), ScriptCompilationError(message=Unresolved reference: linuxMips32, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (27:5)), ScriptCompilationError(message=Unresolved reference: androidNativeArm32, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (29:5)), ScriptCompilationError(message=Unresolved reference: androidNativeArm64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (30:5)), ScriptCompilationError(message=Unresolved reference: androidNativeX86, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (31:5)), ScriptCompilationError(message=Unresolved reference: androidNativeX64, location=/Users/kgalligan/.gradle/.tmp/gradle-kotlin-dsl-1245824212137716677.tmp/kmp-targets.gradle.kts (32:5))])
    at org.gradle.kotlin.dsl.support.KotlinCompilerKt.compileKotlinScriptModuleTo(KotlinCompiler.kt:187)
    at org.gradle.kotlin.dsl.support.KotlinCompilerKt.compileKotlinScriptToDirectory(KotlinCompiler.kt:148)
    at org.gradle.kotlin.dsl.execution.ResidualProgramCompiler$compileScript$1.invoke(ResidualProgramCompiler.kt:708)
    at org.gradle.kotlin.dsl.execution.ResidualProgramCompiler$compileScript$1.invoke(ResidualProgramCompiler.kt:85)

etc...

It complains about the kotlin block.

If I change the script to Groovy, 'kmp-targets.gradle', it works.

apply plugin: 'org.jetbrains.kotlin.multiplatform'

kotlin {
    macosX64()
    macosArm64()
    iosX64()
//more targets...
}

To be complete, I tried changing the kts script to apply the multiplatform plugin in a way similar to what I'm doing in the Groovy one, and that also fails.

apply(plugin = "org.jetbrains.kotlin.multiplatform")

kotlin {
    macosX64()
    macosArm64()
    iosX64()
//more targets...
}

The sample code is in the Kermit repo in a branch: https://github.com/touchlab/Kermit/tree/kpg/CleanGradle

The Kotlin script is at kermit/kmp-targets.gradle.kts. It is applied from kermit/build.gradle.kts.

gradle-kotlin-dsl kotlin-multiplatform kotlin
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