Allow specifying top level target and flavor in nativeInteropPlugin.

backend.native/tests/build.gradle

@@ -2099,41 +2099,37 @@ task inline_defaultArgs_linkTest(type: LinkKonanTest) {
 }
 
 kotlinNativeInterop {
+    target project.testTarget ?: 'host'
+    flavor 'native'
+
     sysstat {
         pkg 'sysstat'
         headers 'sys/stat.h'
-        flavor 'native'
     }
 
     cstdlib {
         pkg 'cstdlib'
         headers 'stdlib.h'
-        flavor 'native'
     }
 
     cstdio {
         defFile 'interop/basics/cstdio.def'
-        flavor 'native'
     }
 
     sockets {
         defFile 'interop/basics/sockets.def'
-        flavor 'native'
     }
 
     bitfields {
         defFile 'interop/basics/bitfields.def'
-        flavor 'native'
     }
 
     cglobals {
         defFile 'interop/basics/cglobals.def'
-        flavor 'native'
     }
 
     cfunptr {
         defFile 'interop/basics/cfunptr.def'
-        flavor 'native'
     }
 
     if (isMac()) {
@@ -2141,7 +2137,6 @@ kotlinNativeInterop {
             defFile 'interop/objc/objcSmoke.def'
             headers "$projectDir/interop/objc/smoke.h"
             linkerOpts "-L$buildDir",  "-lobjcsmoke"
-            flavor 'native'
         }
     }
 }

buildSrc/plugins/src/main/groovy/org/jetbrains/kotlin/NativeInteropPlugin.groovy

@@ -152,9 +152,11 @@ class NamedNativeInteropConfig implements Named {
         return new File(project.buildDir, "nativeInteropStubs/$name/kotlin")
     }
 
-    NamedNativeInteropConfig(Project project, String name) {
+    NamedNativeInteropConfig(Project project, String name, String target = null, String flavor = 'jvm') {
         this.name = name
         this.project = project
+        this.target = target
+        this.flavor = flavor
 
         this.headers = []
         this.linkFiles = project.files()
@@ -254,6 +256,8 @@ class NamedNativeInteropConfig implements Named {
 class NativeInteropExtension extends AbstractNamedDomainObjectContainer<NamedNativeInteropConfig> {
 
     private final Project project
+    private String target = null
+    private String flavor = 'jvm'
 
     protected NativeInteropExtension(Project project) {
         super(NamedNativeInteropConfig, project.gradle.services.get(Instantiator))
@@ -262,7 +266,16 @@ class NativeInteropExtension extends AbstractNamedDomainObjectContainer<NamedNat
 
     @Override
     protected NamedNativeInteropConfig doCreate(String name) {
-        return new NamedNativeInteropConfig(project, name)
+        def config = new NamedNativeInteropConfig(project, name, target, flavor)
+        return config
+    }
+
+    public void target(String value) {
+        this.target = value
+    }
+
+    public void flavor(String value) {
+        this.flavor = value
     }
 }