[mpp] Migrate checks of deprecated K/N targets to new infra

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/diagnostics/KotlinToolingDiagnostics.kt

@@ -17,4 +17,10 @@ object KotlinToolingDiagnostics {
                     "Read the details here: https://kotlinlang.org/docs/multiplatform-compatibility-guide.html#deprecate-hmpp-properties",
         )
     }
+
+    object DeprecatedKotlinNativeTargetsDiagnostic : ToolingDiagnosticFactory(WARNING) {
+        operator fun invoke(usedTargetIds: List<String>) = build(
+            "The following deprecated Kotlin/Native targets were used in the project: ${usedTargetIds.joinToString()}"
+        )
+    }
 }

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/diagnostics/checkers/DeprecatedKotlinNativeTargetsChecker.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers
+
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinGradleProjectChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinGradleProjectCheckerContext
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinToolingDiagnostics
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinToolingDiagnosticsCollector
+import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget
+import org.jetbrains.kotlin.konan.target.KonanTarget
+
+internal object DeprecatedKotlinNativeTargetsChecker : KotlinGradleProjectChecker {
+    override fun KotlinGradleProjectCheckerContext.runChecks(collector: KotlinToolingDiagnosticsCollector) {
+        val targets = multiplatformExtension?.targets ?: return
+        val usedDeprecatedTargets = targets
+            .filter { it is KotlinNativeTarget && it.konanTarget in KonanTarget.deprecatedTargets }
+            .map { it.name }
+        if (usedDeprecatedTargets.isEmpty()) return
+
+        collector.report(project, KotlinToolingDiagnostics.DeprecatedKotlinNativeTargetsDiagnostic(usedDeprecatedTargets))
+    }
+}