Support native targets

.github/workflows/merge-check.yml

@@ -11,7 +11,7 @@ on:
 jobs:
   build:
     name: Build project
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     if: ${{ !contains(github.event.head_commit.message, 'ci skip') }}
     steps:
       - name: Checkout Repo

.github/workflows/publish-snapshot.yml

@@ -5,7 +5,7 @@ on:
       - main
 jobs:
   publish:
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     steps:
       - uses: actions/checkout@v2
 

RELEASING.md

@@ -15,4 +15,4 @@
   - `gradle.properties` to the next SNAPSHOT version (X.Y.Z)
   - `git commit -am "Prepare next development version."`
   - `git push && git push --tags`
-- Wait for the [publish-release.yml](.github/workflows/publish-release.yml) action to complete.
+- Wait for the [publish-snapshot.yml](.github/workflows/publish-snapshot.yml) action to complete.

build.gradle.kts

@@ -1,11 +1,9 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-
 plugins {
-    `java-library`
     `maven-publish`
     signing
-    kotlin("jvm") version "1.7.20"
+    kotlin("multiplatform") version "1.7.20"
     kotlin("plugin.serialization") version "1.7.20"
+    id("org.jetbrains.dokka") version "1.7.20"
     id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
     id("org.owasp.dependencycheck") version "7.3.0"
 }
@@ -17,41 +15,47 @@ repositories {
     mavenCentral()
 }
 
-dependencies {
-    api("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.1")
-    testImplementation(kotlin("stdlib"))
-    testImplementation(kotlin("test"))
-    testImplementation("org.junit.jupiter:junit-jupiter-api:5.9.0")
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.9.0")
-}
-
-java {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
-    withJavadocJar()
-    withSourcesJar()
-}
-
-tasks {
-    withType<KotlinCompile>().configureEach {
-        this.kotlinOptions {
-            jvmTarget = "1.8"
-            freeCompilerArgs = listOf("-opt-in=kotlinx.serialization.ExperimentalSerializationApi")
+kotlin {
+    jvm {
+        compilations.all {
+            kotlinOptions {
+                jvmTarget = JavaVersion.VERSION_1_8.toString()
+            }
         }
     }
+    linuxX64()
+    mingwX64()
+    macosX64()
 
-    withType<Javadoc>().configureEach {
-        val customArgs = projectDir.resolve("javadoc-silence.txt")
-        customArgs.writeText(
-            """-Xdoclint:none
-            """.trimIndent()
-        )
-        options.optionFiles?.add(customArgs)
+    sourceSets {
+        all {
+            languageSettings.optIn("kotlinx.serialization.ExperimentalSerializationApi")
+        }
+        val commonMain by getting {
+            dependencies {
+                implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.1")
+            }
+        }
+        val jvmTest by getting {
+            dependencies {
+                implementation(kotlin("stdlib"))
+                implementation(kotlin("test"))
+                implementation("org.junit.jupiter:junit-jupiter-api:5.9.0")
+                runtimeOnly("org.junit.jupiter:junit-jupiter-engine:5.9.0")
+            }
+        }
     }
+}
 
+tasks {
     withType<Test>().configureEach {
         useJUnitPlatform()
     }
+    create<Jar>("dokkaJar") {
+        group = JavaBasePlugin.DOCUMENTATION_GROUP
+        archiveClassifier.set("javadoc")
+        from(dokkaHtml)
+    }
 }
 
 dependencyCheck {
@@ -60,11 +64,8 @@ dependencyCheck {
 
 publishing {
     publications {
-        register<MavenPublication>(rootProject.name) {
-            groupId = project.group as? String
-            artifactId = project.name
-            version = project.version as? String
-            from(components["java"])
+        withType<MavenPublication> {
+            artifact(tasks.findByName("dokkaJar"))
             pom {
                 description.set("SARIF data models for Kotlinx serialization")
                 name.set(rootProject.name)

gradle.properties

@@ -1,4 +1,9 @@
 kotlin.code.style=official
+# Kotlin Multiplatform Projects are an Alpha feature. See: https://kotlinlang.org/docs/reference/evolution/components-stability.html.
+kotlin.mpp.stability.nowarn=true
 
 GROUP=io.github.detekt.sarif4k
-VERSION=0.3.0-SNAPSHOT
+VERSION=0.3.0-SNAPSHOT
+
+# OOM in Dokka: https://github.com/Kotlin/dokka/issues/1405
+org.gradle.jvmargs=-XX:MaxMetaspaceSize=256m