Introduced testLibrary and a test utilizing it.

backend.native/tests/build.gradle

@@ -1243,6 +1243,15 @@ task link_default_libs(type: RunStandaloneKonanTest) {
     source = "link/default/default.kt"
 }
 
+task link_testLib_explicitly(type: RunKonanTest) {
+    dependsOn ':klib:installTestLibrary'
+    goldValue = "Hello\n"
+    source = "link/omit/hello.kt"
+    // We force library inclusion, so need to see the warning banner.
+    flags = ['-l', 'testLibrary'] 
+
+}
+
 task no_purge_for_dependencies(type: LinkKonanTest) {
     disabled = (project.testTarget == 'wasm32') // there will be no posix.klib for wasm
     goldValue = "linked library\nand symbols from posix available: 17; 1.0\n"

build.gradle

@@ -353,6 +353,7 @@ task bundle(type: (isWindows()) ? Zip : Tar) {
     from("$project.rootDir/dist") {
         include '**'
         exclude 'dependencies'
+        exclude 'klib/testLibrary'
         into baseName
     }
     from(project.rootDir) {

klib/build.gradle

@@ -24,3 +24,31 @@ dependencies {
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     compile project(path: ':backend.native', configuration: 'cli_bc')
 }
+
+def dist = rootProject.file('dist').absolutePath
+
+// TODO: Ideally we want to write just konanArtifacts{} clouse here,
+// but we need to make Kotlin Native Gradle Plugin a dependence
+// of our buildScripts first.
+task compileKonanTestLibrary(type: Exec) {
+    dependsOn ':dist'
+
+    def compiler = "$dist/bin/konanc"
+    def source = 'src/testLibrary'
+    def artifact = 'build/konan/bin/testLibrary'
+
+    executable compiler
+    args source, '-o', artifact, '-p', 'library'
+}
+
+task installTestLibrary(type: Exec) {
+    dependsOn 'compileKonanTestLibrary'
+
+    def repo = "$dist/klib/common"
+    def tool = "$dist/bin/klib"
+    def library = 'build/konan/bin/testLibrary.klib'
+
+    executable tool
+    args 'install', library, '-repository', repo
+}
+