Abstract some build logic

.github/workflows/ci.yaml

@@ -4,7 +4,10 @@ on: [pull_request, push]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, macOS-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v3
       - name: Set up JDK 17
@@ -14,6 +17,4 @@ jobs:
           distribution: 'adopt'
       - name: Validate Gradle wrapper
         uses: gradle/wrapper-validation-action@v1
-      - run: |
-          docker-compose build && docker-compose run --rm --service-ports setup; 
-          ./gradlew clean build --stacktrace -PisCI -Pnosign
+      - run: ./gradlew clean build --stacktrace -Pnosign -PisCI

build-logic/src/main/kotlin/nativebuild.gradle.kts

@@ -0,0 +1,50 @@
+import org.jetbrains.kotlin.konan.target.HostManager
+
+plugins {
+  kotlin("multiplatform")
+}
+
+repositories {
+    //mavenLocal() // Don't include this, it causes all sorts of build horror
+    mavenCentral()
+    mavenLocal()
+}
+
+kotlin {
+  val isCI = project.hasProperty("isCI")
+  val platform =
+    if (project.hasProperty("platform"))
+      project.property("platform")
+    else
+      "any"
+
+  if (HostManager.hostIsLinux) {
+    linuxX64()
+    if (isCI) {
+      linuxArm64()
+    }
+  }
+
+  if (HostManager.hostIsMingw) {
+    mingwX64()
+  }
+
+  if (HostManager.hostIsMac) {
+    macosX64()
+    // Build the other targets only if we are on the CI
+    if (isCI) {
+      iosX64()
+      iosArm64()
+      watchosArm32()
+      watchosArm64()
+      watchosX64()
+      tvosArm64()
+      tvosX64()
+      macosArm64()
+      iosSimulatorArm64()
+      watchosSimulatorArm64()
+      tvosSimulatorArm64()
+      watchosDeviceArm64()
+    }
+  }
+}

gradle.properties

@@ -1,4 +1,4 @@
 org.gradle.jvmargs=-Dterpal.trace.wrappers=true
-kotlin.native.cacheKind.linuxX64=static
+kotlin.native.cacheKind.linuxX64=none
 android.useAndroidX=true
 android.enableJetifier=false