migrate root to kotlin dsl

Author: wldeh

build.gradle

@@ -0,0 +1,59 @@
+import kotlinx.team.infra.*
+
+buildscript {
+    val kotlin_version: String by project
+    val infra_version: String by project
+
+    repositories {
+        maven("https://maven.pkg.jetbrains.space/kotlin/p/kotlinx/maven")
+        gradlePluginPortal()
+
+        addDevRepositoryIfEnabled(this, project)
+    }
+
+    dependencies {
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version")
+        classpath("kotlinx.team:kotlinx.team.infra:$infra_version")
+    }
+}
+
+apply(plugin = "kotlinx.team.infra")
+
+configure<InfraExtension> {
+    teamcity {
+        libraryStagingRepoDescription = project.name
+    }
+
+    publishing {
+        include(":kotlinx-benchmark-runtime")
+
+        libraryRepoUrl = "https://github.com/Kotlin/kotlinx-benchmark"
+
+        if (project.findProperty("publication_repository") == "sonatype") {
+            sonatype {}
+        }
+    }
+}
+
+// https://youtrack.jetbrains.com/issue/KT-48410
+repositories {
+    mavenCentral()
+}
+
+afterEvaluate {
+    gradle.includedBuilds.forEach { included ->
+        project(":kotlinx-benchmark-runtime").tasks.named("publishToMavenLocal").configure {
+            dependsOn(included.task(":publishToMavenLocal"))
+        }
+    }
+}
+
+allprojects {
+    val kotlin_version: String by project
+    val infra_version: String by project
+
+    logger.info("Using Kotlin $kotlin_version for project ${this.name}")
+    repositories {
+        addDevRepositoryIfEnabled(this, project)
+    }
+}

build.gradle.kts

@@ -0,0 +1,26 @@
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        val kotlinRepoUrl: String? by settings
+        kotlinRepoUrl?.let { repoUrl ->
+            if (repoUrl.isNotEmpty()) {
+                maven { url = uri(repoUrl) }
+            }
+        }
+    }
+}
+
+rootProject.name = "kotlinx-benchmark"
+
+includeBuild("plugin")
+
+include("runtime")
+findProject(":runtime")?.name = "kotlinx-benchmark-runtime"
+
+include("integration")
+
+include("examples")
+include("examples:kotlin-multiplatform")
+include("examples:java")
+include("examples:kotlin")
+include("examples:kotlin-kts")