Macos arm (#19)

samples/SkijaInjectSample/build.gradle

@@ -14,17 +14,27 @@ repositories {
     }
 }
 
-def os = System.getProperty("os.name")
-def target = ""
-if (os == "Mac OS X") {
-    target = "macos"
-} else if (os.startsWith("Win")) {
-    target = "windows"
-} else if (os.startsWith("Linux")) {
-    target = "linux"
+def osName = System.getProperty("os.name")
+def targetOs = ""
+if (osName == "Mac OS X") {
+    targetOs = "macos"
+} else if (osName.startsWith("Win")) {
+    targetOs = "windows"
+} else if (osName.startsWith("Linux")) {
+    targetOs = "linux"
 } else {
-    throw Error("Unsupported OS: $target")
+    throw Error("Unsupported OS: $os")
 }
+def osArch = System.getProperty("os.arch")
+def targetArch = ""
+if (osArch == "x86_64") {
+    targetArch = "x64"
+} else if (osArch == "aarch64") {
+    targetArch = "arm64"
+} else {
+    throw Error("Unsupported arch: $osArch")
+}
+def target = "${targetOs}_${targetArch}"
 
 def version = "0.1-SNAPSHOT"
 if (project.hasProperty('skiko.version')) {

skiko/build.gradle.kts

@@ -142,11 +142,11 @@ kotlin {
         withJava()
     }
 
-    val isMingwX64 = hostOs.startsWith("Windows")
-    val nativeTarget = when {
-        hostOs == "Mac OS X" -> macosX64("native")
-        hostOs == "Linux" -> linuxX64("native")
-        isMingwX64 -> mingwX64("native")
+    val nativeTarget = when (targetOs) {
+        // TODO: not entirely correct for macOS ARM.
+        OS.MacOS -> macosX64("native")
+        OS.Linux -> linuxX64("native")
+        OS.Windows -> mingwX64("native")
         else -> throw GradleException("Host OS is not supported in Kotlin/Native.")
     }
 
@@ -221,8 +221,8 @@ tasks.withType(CppCompile::class.java).configureEach {
         "-DSK_UNICODE_AVAILABLE",
         "-DNDEBUG"
     ))
-    when (target) {
-        "macos" -> {
+    when (targetOs) {
+        OS.MacOS -> {
             compilerArgs.addAll(
                 listOf(
                     "-std=c++14",
@@ -236,7 +236,7 @@ tasks.withType(CppCompile::class.java).configureEach {
                 )
             )
         }
-        "linux" -> {
+        OS.Linux -> {
             compilerArgs.addAll(
                 listOf(
                     "-std=c++14",
@@ -249,7 +249,7 @@ tasks.withType(CppCompile::class.java).configureEach {
                 )
             )
         }
-        "windows" -> {
+        OS.Windows -> {
             compilerArgs.addAll(
                 listOf(
                     "-I$jdkHome/include/win32",
@@ -271,7 +271,7 @@ tasks.withType(CppCompile::class.java).configureEach {
 // Very hacky way to compile Objective-C sources and add the
 // resulting object files into the final library.
 project.tasks.register<Exec>("objcCompile") {
-    val inputDir = "$projectDir/src/jvmMain/objectiveC/$target"
+    val inputDir = "$projectDir/src/jvmMain/objectiveC/${targetOs.id}"
     val outDir = "$buildDir/objc/$target"
     val objcSrc = "drawlayer"
     commandLine = listOf(
@@ -290,8 +290,8 @@ project.tasks.register<Exec>("objcCompile") {
 }
 
 tasks.withType(LinkSharedLibrary::class.java).configureEach {
-    when (target) {
-        "macos" -> {
+    when (targetOs) {
+        OS.MacOS -> {
             dependsOn(project.tasks.named("objcCompile"))
             linkerArgs.addAll(
                 listOf(
@@ -308,7 +308,7 @@ tasks.withType(LinkSharedLibrary::class.java).configureEach {
                 )
             )
         }
-        "linux" -> {
+        OS.Linux -> {
             linkerArgs.addAll(
                 listOf(
                     "-lGL",
@@ -316,7 +316,7 @@ tasks.withType(LinkSharedLibrary::class.java).configureEach {
                 )
             )
         }
-        "windows" -> {
+        OS.Windows -> {
             linkerArgs.addAll(
                 listOf(
                     "gdi32.lib",
@@ -333,7 +333,7 @@ extensions.configure<CppLibrary> {
     source.from(
         skijaDir.map { fileTree(it.resolve("native/src")) },
         fileTree("$projectDir/src/jvmMain/cpp/common"),
-        fileTree("$projectDir/src/jvmMain/cpp/$target")
+        fileTree("$projectDir/src/jvmMain/cpp/${targetOs.id}")
     )
 }
 
@@ -345,8 +345,8 @@ library {
     dependencies {
         implementation(
             skiaDir.map {
-                fileTree(it.resolve("out/Release-x64"))
-                    .matching { include(if (target == "windows") "**.lib" else "**.a") }
+                fileTree(it.resolve("out/Release-${targetArch.id}"))
+                    .matching { include(if (targetOs.isWindows) "**.lib" else "**.a") }
             }
         )
         implementation(fileTree("$buildDir/objc/$target").matching {
@@ -371,10 +371,10 @@ val skikoJvmJar: Provider<Jar> by tasks.registering(Jar::class) {
 }
 
 val createChecksums by project.tasks.registering(org.gradle.crypto.checksum.Checksum::class) {
-    val linkTask = project.tasks.named("linkRelease${target.capitalize()}")
+    val linkTask = project.tasks.named("linkRelease${targetOs.id.capitalize()}")
     dependsOn(linkTask)
     files = linkTask.get().outputs.files.filter { it.isFile } +
-            if (target == "windows") files(skiaDir.map { it.resolve("out/Release-x64/icudtl.dat") }) else files()
+            if (targetOs.isWindows) files(skiaDir.map { it.resolve("out/Release-x64/icudtl.dat") }) else files()
     algorithm = Checksum.Algorithm.SHA256
     outputDir = file("$buildDir/checksums")
 }
@@ -383,10 +383,10 @@ val skikoJvmRuntimeJar by project.tasks.registering(Jar::class) {
     archiveBaseName.set("skiko-$target")
     dependsOn(createChecksums)
     from(skikoJvmJar.map { zipTree(it.archiveFile) })
-    from(project.tasks.named("linkRelease${target.capitalize()}").map {
+    from(project.tasks.named("linkRelease${targetOs.id.capitalize()}").map {
         it.outputs.files.filter { it.isFile }
     })
-    if (target == "windows") {
+    if (targetOs.isWindows) {
         from(files(skiaDir.map { it.resolve("out/Release-x64/icudtl.dat") }))
     }
     from(createChecksums.get().outputs.files)

skiko/buildSrc/src/main/kotlin/properties.kt

 import org.gradle.api.Project
 import java.io.File
 
-val hostOs = System.getProperty("os.name")
-val target = when {
-    hostOs == "Mac OS X" -> "macos"
-    hostOs == "Linux" -> "linux"
-    hostOs.startsWith("Win") -> "windows"
-    else -> throw Error("Unknown os $hostOs")
+enum class OS(val id: String) {
+    Linux("linux"),
+    Windows("windows"),
+    MacOS("macos")
+    ;
+
+    val isWindows
+        get() = this == Windows
+}
+
+enum class Arch(val id: String) {
+    X64("x64"),
+    Arm64("arm64")
 }
+
+val hostOs by lazy {
+    val osName = System.getProperty("os.name")
+    when {
+        osName == "Mac OS X" -> OS.MacOS
+        osName == "Linux" -> OS.Linux
+        osName.startsWith("Win") -> OS.Windows
+        else -> throw Error("Unknown OS $osName")
+    }
+}
+
+val hostArch by lazy {
+    val osArch = System.getProperty("os.arch").also {
+        println("arch is $it")
+    }
+    when (osArch) {
+        "x86_64" -> Arch.X64
+        "aarch64" -> Arch.Arm64
+        else -> throw Error("Unknown arch $osArch")
+    }
+}
+
+val targetOs = hostOs
+val targetArch = hostArch
+
+val target = "${targetOs.id}_${targetArch.id}"
+
 val jdkHome = System.getProperty("java.home") ?: error("'java.home' is null")
 
 class SkikoProperties(private val myProject: Project) {
@@ -42,7 +76,8 @@ class SkikoProperties(private val myProject: Project) {
         get() = System.getenv()["SKIJA_DIR"]?.let { File(it) }?.takeIf { it.isDirectory }
 
     val skiaDir: File?
-        get() = (System.getenv()["SKIA_DIR"] ?: System.getProperty("skia.dir"))?.let { File(it) }?.takeIf { it.isDirectory }
+        get() = (System.getenv()["SKIA_DIR"] ?: System.getProperty("skia.dir"))?.let { File(it) }
+            ?.takeIf { it.isDirectory }
 
     val composeRepoUrl: String
         get() = System.getenv("COMPOSE_REPO_URL") ?: "https://maven.pkg.jetbrains.space/public/p/compose/dev"

skiko/gradle.properties

@@ -2,6 +2,7 @@ kotlin.code.style=official
 deploy.version=0.1
 
 dependencies.skija.git.commit=8fc45764727610bd4b3d228198432f6f327a34ad
-dependencies.skia.windows=m88-59bafeeaa7/Skia-m88-59bafeeaa7-windows-Release-x64
-dependencies.skia.linux=m88-59bafeeaa7/Skia-m88-59bafeeaa7-linux-Release-x64
-dependencies.skia.macos=m88-59bafeeaa7/Skia-m88-59bafeeaa7-macos-Release-x64
+dependencies.skia.windows_x64=m88-59bafeeaa7/Skia-m88-59bafeeaa7-windows-Release-x64
+dependencies.skia.linux_x64=m88-59bafeeaa7/Skia-m88-59bafeeaa7-linux-Release-x64
+dependencies.skia.macos_x64=m88-59bafeeaa7/Skia-m88-59bafeeaa7-macos-Release-x64
+dependencies.skia.macos_arm64=m88-59bafeeaa7/Skia-m88-59bafeeaa7-macos-Release-arm64