gradle-plugin Don't use ':' in interop command line

tools/gradle-plugin/src/main/kotlin/KonanCompilerConfig.kt

@@ -174,30 +174,4 @@ open class KonanCompilerConfig(
     fun enableAssertions() = with(compilationTask) {
         enableAssertions = true
     }
-}
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+}

tools/gradle-plugin/src/main/kotlin/KonanCompilerTask.kt

@@ -63,37 +63,6 @@ open class KonanCompileTask: DefaultTask() {
     @Optional @Input var apiVersion      : String? = null
         internal set
 
-    // Useful extensions and functions ---------------------------------------
-
-    protected fun MutableList<String>.addArg(parameter: String, value: String) {
-        add(parameter)
-        add(value)
-    }
-
-    protected fun MutableList<String>.addArgIfNotNull(parameter: String, value: String?) {
-        if (value != null) {
-            addArg(parameter, value)
-        }
-    }
-
-    protected fun MutableList<String>.addKey(key: String, enabled: Boolean) {
-        if (enabled) {
-            add(key)
-        }
-    }
-
-    protected fun MutableList<String>.addFileArgs(parameter: String, values: FileCollection) {
-        values.files.forEach {
-            addArg(parameter, it.canonicalPath)
-        }
-    }
-
-    protected fun MutableList<String>.addFileArgs(parameter: String, values: Collection<FileCollection>) {
-        values.forEach {
-            addFileArgs(parameter, it)
-        }
-    }
-
     // Task action ------------------------------------------------------------
 
     protected fun buildArgs() = mutableListOf<String>().apply {
@@ -102,9 +71,7 @@ open class KonanCompileTask: DefaultTask() {
         addFileArgs("-library", libraries)
         addFileArgs("-nativelibrary", nativeLibraries)
 
-        linkerOpts.forEach {
-            addArg("-linkerArgs", it)
-        }
+        addListArg("-linkerArgs", linkerOpts)
 
         addArgIfNotNull("-target", target)
         addArgIfNotNull("-language-version", languageVersion)

tools/gradle-plugin/src/main/kotlin/KonanInteropTask.kt

@@ -68,31 +68,26 @@ open class KonanInteropTask: DefaultTask() {
     }
 
     protected fun buildArgs() = mutableListOf<String>().apply {
-        add("-properties:${project.konanHome}/konan/konan.properties")
-        add("-flavor:native")
-        add("-generated:$stubsDir")
-        add("-natives:$libsDir")
+        addArg("-properties", "${project.konanHome}/konan/konan.properties")
+        addArg("-flavor", "native")
 
-        target?.let  { add("-target:$target") }
-        defFile?.let { add("-def:$it") }
-        pkg?.let     { add("-pkg:$it") }
-        linker?.let  { add("-linker:$it") }
+        addArg("-generated", stubsDir.canonicalPath)
+        addArg("-natives", libsDir.canonicalPath)
 
-        headers.forEach {
-            add("-h:$it")
-        }
+        addArgIfNotNull("-target", target)
+        addArgIfNotNull("-def", defFile?.canonicalPath)
+        addArgIfNotNull("-pkg", pkg)
+        addArgIfNotNull("-linker", linker)
 
-        compilerOpts.forEach {
-            add("-copt:$it")
-        }
+        addFileArgs("-h", headers)
+
+        addListArg("-copt", compilerOpts)
 
         val linkerOpts = mutableListOf<String>().apply { addAll(linkerOpts) }
         linkFiles.forEach {
             linkerOpts.addAll(it.files.map { it.canonicalPath })
         }
-        linkerOpts.forEach {
-            add("-lopt:$it")
-        }
+        addListArg("-lopt", linkerOpts)
     }
 
 }

tools/gradle-plugin/src/main/kotlin/KonanPlugin.kt

@@ -4,6 +4,7 @@ import org.gradle.api.DefaultTask
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.Task
+import org.gradle.api.file.FileCollection
 import org.gradle.api.internal.AbstractNamedDomainObjectContainer
 import org.gradle.api.internal.project.ProjectInternal
 import org.gradle.internal.reflect.Instantiator
@@ -48,6 +49,43 @@ class KonanInteropContainer(val project: ProjectInternal): AbstractNamedDomainOb
             KonanInteropConfig(name, project)
 }
 
+// Useful extensions and functions ---------------------------------------
+
+internal fun MutableList<String>.addArg(parameter: String, value: String) {
+    add(parameter)
+    add(value)
+}
+
+internal fun MutableList<String>.addArgIfNotNull(parameter: String, value: String?) {
+    if (value != null) {
+        addArg(parameter, value)
+    }
+}
+
+internal fun MutableList<String>.addKey(key: String, enabled: Boolean) {
+    if (enabled) {
+        add(key)
+    }
+}
+
+internal fun MutableList<String>.addFileArgs(parameter: String, values: FileCollection) {
+    values.files.forEach {
+        addArg(parameter, it.canonicalPath)
+    }
+}
+
+internal fun MutableList<String>.addFileArgs(parameter: String, values: Collection<FileCollection>) {
+    values.forEach {
+        addFileArgs(parameter, it)
+    }
+}
+
+internal fun MutableList<String>.addListArg(parameter: String, values: List<String>) {
+    if (values.isNotEmpty()) {
+        addArg(parameter, values.joinToString(separator = " "))
+    }
+}
+
 class KonanPlugin: Plugin<ProjectInternal> {
 
     companion object {