backend: Use konan.dependencies property to set dependencies dir

This patch set default dependencies directory to ${konan.home}/
dependencies and allows one to override this setting using
konan.dependencies system property.

Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/jvm/main.kt

@@ -231,12 +231,10 @@ private fun processLib(konanHome: String,
     val konanFile = File(konanFileName)
     val konanProperties = loadProperties(konanFile, mapOf())
 
-    // TODO: We use -Dkonan.home in the absence of fully built 'dist'
-    // to locate the 'dependencies' directory.
-    // Eventually we need to pull the necessary content into 'dist'.
-    // And provide a set of flags to find the components in the absence of 'dist'.
+    // TODO: We can provide a set of flags to find the components in the absence of 'dist' or 'dist/dependencies'.
     val llvmHome = konanProperties.getOsSpecific("llvmHome")!!
-    val dependencies = File("$konanHome/../dependencies/all").canonicalPath
+    // We can override dependency directory using konan.dependencies system property.
+    val dependencies =  System.getProperty("konan.dependencies", "$konanHome/dependencies")
     val llvmInstallPath = "$dependencies/$llvmHome"
     val additionalHeaders = args["-h"].orEmpty()
     val additionalCompilerOpts = args["-copt"].orEmpty()

backend.native/build.gradle

@@ -194,6 +194,7 @@ targetList.each { target ->
         classpath = project.configurations.cli_bc
         jvmArgs "-ea", 
             "-Dkonan.home=${project.parent.file('dist')}",
+            "-Dkonan.dependencies=${project.parent.file('dependencies/all')}",
             "-Djava.library.path=${project.buildDir}/nativelibs"
         args('-output', project(':runtime').file("build/${target}/stdlib.kt.bc"), 
             '-nolink', '-nostdlib', '-ea',
@@ -220,6 +221,7 @@ targetList.each { target ->
         classpath = project.configurations.cli_bc
         jvmArgs "-ea", 
             "-Dkonan.home=${project.parent.file('dist')}",
+            "-Dkonan.dependencies=${project.parent.file('dependencies/all')}",
             "-Djava.library.path=${project.buildDir}/nativelibs"
         args('-output', project(':runtime').file("build/${target}/start.kt.bc"), 
             '-nolink', '-nostdlib', '-ea',

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

@@ -2,9 +2,8 @@ package org.jetbrains.kotlin.backend.konan
 
 import org.jetbrains.kotlin.config.CompilerConfiguration
 import java.io.File
-import java.util.Properties
 
-public class Distribution(val config: CompilerConfiguration) {
+class Distribution(val config: CompilerConfiguration) {
 
     val targetManager = TargetManager(config)
     val target = 
@@ -25,8 +24,8 @@ public class Distribution(val config: CompilerConfiguration) {
 
     val lib = "$konanHome/lib/$target"
 
-    // TODO: Pack all needed things to dist.
-    val dependencies = "$konanHome/../dependencies/all" 
+    // We can override dependency directory using konan.dependencies system property.
+    val dependencies = System.getProperty("konan.dependencies", "$konanHome/dependencies")
 
     val stdlib = "$lib/stdlib.kt.bc"
     val start = "$lib/start.kt.bc"

buildSrc/src/main/groovy/org/jetbrains/kotlin/KonanTest.groovy

@@ -12,6 +12,7 @@ abstract class KonanTest extends JavaExec {
     def backendNative = project.project(":backend.native")
     def runtimeProject = project.project(":runtime")
     def dist = project.rootProject.file("dist")
+    def dependencies = project.findProject(":dependencies").file("all")
     def runtimeBc = new File("${dist.canonicalPath}/lib/runtime.bc").absolutePath
     def launcherBc = new File("${dist.canonicalPath}/lib/launcher.bc").absolutePath
     def startKtBc = new File("${dist.canonicalPath}/lib/start.kt.bc").absolutePath
@@ -56,7 +57,9 @@ abstract class KonanTest extends JavaExec {
 
     @Override
     void setJvmArgs(Iterable<?> arguments) {
-        super.setJvmArgs(arguments + "-Dkonan.home=${dist.canonicalPath}" +
+        super.setJvmArgs(arguments +
+                "-Dkonan.home=${dist.canonicalPath}" +
+                "-Dkonan.dependencies=${dependencies.canonicalPat}",
                 "-Djava.library.path=${dist.canonicalPath}/konan/nativelib")
     }
 

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

@@ -168,6 +168,7 @@ class NamedNativeInteropConfig implements Named {
                     new File(project.findProject(":Interop:Runtime").buildDir, "nativelibs")
             ).asPath
             systemProperties "konan.home": project.rootProject.file("dist")
+            systemProperties "konan.dependencies": project.findProject(":dependencies").file("all")
             environment "LIBCLANG_DISABLE_CRASH_RECOVERY": "1"
             environment "DYLD_LIBRARY_PATH": "${project.llvmDir}/lib"
             environment "LD_LIBRARY_PATH": "${project.llvmDir}/lib"