Do not apply purging to user provided libraries.

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/library/KonanLibraryReader.kt

@@ -28,6 +28,7 @@ interface KonanLibraryReader {
     val linkerOpts: List<String>
     val unresolvedDependencies: List<String>
     val escapeAnalysis: ByteArray?
+    val isDefaultLink: Boolean get() = false
     val isNeededForLink: Boolean get() = true
     val manifestProperties: Properties
     val moduleHeaderData: ByteArray

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/library/SearchPathResolver.kt

@@ -49,7 +49,7 @@ fun SearchPathResolver.resolveImmediateLibraries(libraryNames: List<String>,
                                                  removeDuplicates: Boolean = true): List<LibraryReaderImpl> {
 
     val defaultLibraries = defaultLinks(nostdlib = noStdLib, noDefaultLibs = noDefaultLibs).map {
-        LibraryReaderImpl(it, abiVersion, target)
+        LibraryReaderImpl(it, abiVersion, target, isDefaultLink = true)
     }
 
     val userProvidedLibraries = libraryNames

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/library/impl/KonanLibraryReaderImpl.kt

@@ -26,7 +26,7 @@ import org.jetbrains.kotlin.config.LanguageVersionSettings
 import org.jetbrains.kotlin.konan.target.KonanTarget
 
 class LibraryReaderImpl(var libraryFile: File, val currentAbiVersion: Int,
-    val target: KonanTarget? = null)
+    val target: KonanTarget? = null, override val isDefaultLink: Boolean = false)
     : KonanLibraryReader {
 
     // For the zipped libraries inPlace gives files from zip file system
@@ -98,4 +98,5 @@ class LibraryReaderImpl(var libraryFile: File, val currentAbiVersion: Int,
 
 }
 
-internal fun <T: KonanLibraryReader> List<T>.purgeUnneeded(): List<T> = this.filter{ it.isNeededForLink }
+internal fun <T: KonanLibraryReader> List<T>.purgeUnneeded(): List<T> = this.filter{ !it.isDefaultLink || it.isNeededForLink }
+