Add native Linux support (#3054)

Co-authored-by: Colin White <colin@colinwhite.me>

Author: Thomas-Vos

buildSrc/src/main/kotlin/coil3/hierarchyTemplate.kt

@@ -24,6 +24,7 @@ private val hierarchyTemplate = KotlinHierarchyTemplate {
         groupNonJvmCommon()
         groupNative()
         groupNonNative()
+        groupNonApple()
     }
 }
 
@@ -67,20 +68,38 @@ private fun KotlinHierarchyBuilder.groupNative() {
     group("native") {
         withNative()
 
-        group("apple") {
-            withApple()
+        groupApple()
+        groupLinux()
+    }
+}
+
+private fun KotlinHierarchyBuilder.groupApple() {
+    group("apple") {
+        withApple()
 
-            group("ios") {
-                withIos()
-            }
+        group("ios") {
+            withIos()
+        }
 
-            group("macos") {
-                withMacos()
-            }
+        group("macos") {
+            withMacos()
         }
     }
 }
 
+private fun KotlinHierarchyBuilder.groupLinux() {
+    group("linux") {
+        withLinux()
+    }
+}
+
+private fun KotlinHierarchyBuilder.groupNonApple() {
+    group("nonApple") {
+        groupNonNative()
+        groupLinux()
+    }
+}
+
 private fun KotlinHierarchyBuilder.groupNonNative() {
     group("nonNative") {
         groupJsCommon()

buildSrc/src/main/kotlin/coil3/multiplatform.kt

@@ -8,7 +8,11 @@ import org.gradle.kotlin.dsl.invoke
 import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
 import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
 
-fun Project.addAllMultiplatformTargets(skikoVersion: Provider<String>, enableWasm: Boolean = true) {
+fun Project.addAllMultiplatformTargets(
+    skikoVersion: Provider<String>,
+    enableWasm: Boolean = true,
+    enableNativeLinux: Boolean = true,
+) {
     plugins.withId("org.jetbrains.kotlin.multiplatform") {
         extensions.configure<KotlinMultiplatformExtension> {
             applyCoilHierarchyTemplate()
@@ -63,6 +67,11 @@ fun Project.addAllMultiplatformTargets(skikoVersion: Provider<String>, enableWas
 
             macosX64()
             macosArm64()
+
+            if (enableNativeLinux) {
+                linuxX64()
+                linuxArm64()
+            }
         }
 
         applyKotlinJsImplicitDependencyWorkaround(enableWasm)

coil-compose-core/build.gradle.kts

@@ -12,7 +12,7 @@ plugins {
     id("androidx.baselineprofile")
 }
 
-addAllMultiplatformTargets(libs.versions.skiko)
+addAllMultiplatformTargets(libs.versions.skiko, enableNativeLinux = false)
 androidLibrary(name = "coil3.compose.core") {
     dependencies {
         // https://www.jetbrains.com/help/kotlin-multiplatform-dev/compose-test.html

coil-compose/build.gradle.kts

@@ -10,7 +10,7 @@ plugins {
     id("org.jetbrains.kotlin.plugin.compose")
 }
 
-addAllMultiplatformTargets(libs.versions.skiko)
+addAllMultiplatformTargets(libs.versions.skiko, enableNativeLinux = false)
 androidLibrary(name = "coil3.compose.singleton")
 
 kotlin {

coil-core/api/coil-core.klib.api

@@ -1,6 +1,6 @@
 // Klib ABI Dump
-// Targets: [iosArm64, iosSimulatorArm64, iosX64, js, macosArm64, macosX64, wasmJs]
-// Alias: apple => [iosArm64, iosSimulatorArm64, iosX64, macosArm64, macosX64]
+// Targets: [iosArm64, iosSimulatorArm64, iosX64, js, linuxArm64, linuxX64, macosArm64, macosX64, wasmJs]
+// Alias: native => [iosArm64, iosSimulatorArm64, iosX64, linuxArm64, linuxX64, macosArm64, macosX64]
 // Rendering settings:
 // - Signature version: 2
 // - Show manifest properties: true
@@ -1069,5 +1069,5 @@ final inline fun (coil3.util/IntPair).coil3.util/component2(): kotlin/Int // coi
 final inline fun (coil3.util/Logger).coil3.util/log(kotlin/String, coil3.util/Logger.Level, kotlin/Function0<kotlin/String>) // coil3.util/log|log@coil3.util.Logger(kotlin.String;coil3.util.Logger.Level;kotlin.Function0<kotlin.String>){}[0]
 final inline fun (coil3.util/Logger).coil3.util/log(kotlin/String, kotlin/Throwable, kotlin/Function0<kotlin/String>) // coil3.util/log|log@coil3.util.Logger(kotlin.String;kotlin.Throwable;kotlin.Function0<kotlin.String>){}[0]
 
-// Targets: [apple]
+// Targets: [native]
 final fun (coil3/ImageLoader).coil3/executeBlocking(coil3.request/ImageRequest): coil3.request/ImageResult // coil3/executeBlocking|executeBlocking@coil3.ImageLoader(coil3.request.ImageRequest){}[0]

…n/kotlin/coil3/RealImageLoader.native.kt …in/kotlin/coil3/RealImageLoader.apple.ktcoil-core/src/nativeMain/kotlin/coil3/RealImageLoader.native.kt renamed to coil-core/src/appleMain/kotlin/coil3/RealImageLoader.apple.kt coil-core/src/nativeMain/kotlin/coil3/RealImageLoader.native.kt renamed to coil-core/src/appleMain/kotlin/coil3/RealImageLoader.apple.kt

@@ -1,5 +1,5 @@
 // Klib ABI Dump
-// Targets: [iosArm64, iosSimulatorArm64, iosX64, js, macosArm64, macosX64, wasmJs]
+// Targets: [iosArm64, iosSimulatorArm64, iosX64, js, linuxArm64, linuxX64, macosArm64, macosX64, wasmJs]
 // Rendering settings:
 // - Signature version: 2
 // - Show manifest properties: true