[samples][coverage] Add support for Windows and Linux hosts.

samples/coverage/build.gradle.kts

@@ -19,7 +19,19 @@ kotlin {
         }
     }
 
-    macosX64("macos") {
+    // Determine host preset.
+    val hostOs = System.getProperty("os.name")
+    val isMingwX64 = hostOs.startsWith("Windows")
+
+    // Create a target for the host platform.
+    val hostTarget = when {
+        hostOs == "Mac OS X" -> macosX64("coverage")
+        hostOs == "Linux" -> linuxX64("coverage")
+        isMingwX64 -> mingwX64("coverage")
+        else -> throw GradleException("Host OS '$hostOs' is not supported in Kotlin/Native $project.")
+    }
+
+    hostTarget.apply {
         binaries {
             executable(listOf(DEBUG))
         }
@@ -30,12 +42,12 @@ kotlin {
 }
 
 tasks.create("createCoverageReport") {
-    dependsOn("macosTest")
+    dependsOn("coverageTest")
 
     description = "Create coverage report"
 
     doLast {
-        val testDebugBinary = kotlin.targets["macos"].let { it as KotlinNativeTarget }.binaries.getExecutable("test", "debug").outputFile
+        val testDebugBinary = kotlin.targets["coverage"].let { it as KotlinNativeTarget }.binaries.getTest("DEBUG").outputFile
         exec {
             commandLine("llvm-profdata", "merge", "$testDebugBinary.profraw", "-o", "$testDebugBinary.profdata")
         }

samples/settings.gradle.kts

@@ -31,6 +31,7 @@ if (isMacos || isLinux || isWindows) {
     include(":tetris")
     include(":videoplayer")
     include(":workers")
+    include(":coverage")
 }
 
 if (isMacos || isLinux) {
@@ -43,7 +44,6 @@ if (isMacos) {
     include(":objc")
     include(":opengl")
     include(":uikit")
-    include(":coverage")
     include(":watchos")
 }