Fix capitalization related deprecation warnings

kotlin-native/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/konan/EnvironmentVariables.kt

@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.gradle.plugin.konan
 import org.gradle.api.Project
 import org.jetbrains.kotlin.gradle.plugin.konan.KonanPlugin.ProjectProperty
 import java.io.File
+import java.util.*
 
 /**
  *  The plugin allows an IDE to specify some building parameters. These parameters
@@ -64,10 +65,10 @@ internal class EnvironmentVariablesImpl(val project: Project):  EnvironmentVaria
         }
 
     override val debuggingSymbols: Boolean
-        get() = System.getenv("DEBUGGING_SYMBOLS")?.toUpperCase() == "YES"
+        get() = System.getenv("DEBUGGING_SYMBOLS")?.uppercase(Locale.getDefault()) == "YES"
 
     override val enableOptimizations: Boolean
-        get() = System.getenv("KONAN_ENABLE_OPTIMIZATIONS")?.toUpperCase() == "YES"
+        get() = System.getenv("KONAN_ENABLE_OPTIMIZATIONS")?.uppercase(Locale.getDefault()) == "YES"
 }
 
 /**
@@ -82,12 +83,12 @@ internal class EnvironmentVariablesFromProperties(val project: Project): Environ
         }
 
     override val debuggingSymbols: Boolean
-        get() = project.findProperty(ProjectProperty.KONAN_DEBUGGING_SYMBOLS)?.toString()?.toUpperCase().let {
+        get() = project.findProperty(ProjectProperty.KONAN_DEBUGGING_SYMBOLS)?.toString()?.uppercase(Locale.getDefault()).let {
             it == "YES" || it == "TRUE"
         }
 
     override val enableOptimizations: Boolean
-        get() = project.findProperty(ProjectProperty.KONAN_OPTIMIZATIONS_ENABLE)?.toString()?.toUpperCase().let {
+        get() = project.findProperty(ProjectProperty.KONAN_OPTIMIZATIONS_ENABLE)?.toString()?.uppercase(Locale.getDefault()).let {
             it == "YES" || it == "TRUE"
         }
 }

kotlin-native/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/konan/KonanBuildingConfig.kt

@@ -29,6 +29,8 @@ import org.gradle.api.tasks.TaskProvider
 import org.jetbrains.kotlin.gradle.plugin.tasks.KonanBuildingTask
 import org.jetbrains.kotlin.konan.target.KonanTarget
 import java.io.File
+import java.util.*
+import kotlin.NoSuchElementException
 
 /** Base class for all Kotlin/Native artifacts. */
 abstract class KonanBuildingConfig<T : KonanBuildingTask>(
@@ -79,13 +81,25 @@ abstract class KonanBuildingConfig<T : KonanBuildingTask>(
     }
 
     protected open fun generateTaskName(target: KonanTarget) =
-        "compileKonan${name.capitalize()}${target.visibleName.capitalize()}"
+        "compileKonan${name.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }}${
+            target.visibleName.replaceFirstChar {
+                if (it.isLowerCase()) it.titlecase(
+                    Locale.getDefault()
+                ) else it.toString()
+            }
+        }"
 
     protected open fun generateAggregateTaskName() =
-        "compileKonan${name.capitalize()}"
+        "compileKonan${name.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }}"
 
     protected open fun generateTargetAliasTaskName(targetName: String) =
-        "compileKonan${name.capitalize()}${targetName.capitalize()}"
+        "compileKonan${name.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }}${
+            targetName.replaceFirstChar {
+                if (it.isLowerCase()) it.titlecase(
+                    Locale.getDefault()
+                ) else it.toString()
+            }
+        }"
 
     protected abstract fun generateTaskDescription(task: T): String
     protected abstract fun generateAggregateTaskDescription(task: Task): String

kotlin-native/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/konan/KonanPlugin.kt

@@ -52,6 +52,7 @@ import org.jetbrains.kotlin.konan.target.customerDistribution
 import org.jetbrains.kotlin.konan.util.DependencyProcessor
 import org.jetbrains.kotlin.*
 import java.io.File
+import java.util.*
 import javax.inject.Inject
 
 /**
@@ -394,7 +395,14 @@ class KonanPlugin @Inject constructor(private val registry: ToolingModelBuilderR
                 .forEach { task ->
                     val isCrossCompile = (task.target != HostManager.host.visibleName)
                     if (!isCrossCompile && !project.hasProperty("konanNoRun"))
-                    task.runTask = project.tasks.register("run${task.artifactName.capitalize()}", Exec::class.java) {
+                    task.runTask = project.tasks.register(
+                        "run${
+                            task.artifactName.replaceFirstChar {
+                                if (it.isLowerCase()) it.titlecase(
+                                    Locale.getDefault()
+                                ) else it.toString()
+                            }
+                        }", Exec::class.java) {
                         group= "run"
                         dependsOn(task)
                         val artifactPathClosure = object : Closure<String>(this) {