Add option to restore fallback to compiler built-ins + resurrect Maven build

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JVMCompilerArguments.java

@@ -101,6 +101,9 @@ public class K2JVMCompilerArguments extends CommonCompilerArguments {
     @Argument(value = "Xsingle-module", description = "Combine modules for source files and binary dependencies into a single module")
     public boolean singleModule;
 
+    @Argument(value = "Xadd-compiler-builtins", description = "Add definitions of built-in declarations to the compilation classpath (useful with -no-stdlib)")
+    public boolean addCompilerBuiltIns;
+
     @Argument(value = "Xinterface-compatibility", description = "Generate DefaultImpls classes for interfaces in JVM target bytecode version 1.8 for binary compatibility with 1.6")
     public boolean interfaceCompatibility;
 

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/K2JVMCompiler.kt

@@ -333,6 +333,7 @@ class K2JVMCompiler : CLICompiler<K2JVMCompilerArguments>() {
             configuration.put(CLIConfigurationKeys.ALLOW_KOTLIN_PACKAGE, arguments.allowKotlinPackage)
             configuration.put(CLIConfigurationKeys.REPORT_PERF, arguments.reportPerf)
             configuration.put(JVMConfigurationKeys.USE_SINGLE_MODULE, arguments.singleModule)
+            configuration.put(JVMConfigurationKeys.ADD_BUILT_INS_TO_DEPENDENCIES, arguments.addCompilerBuiltIns)
 
             arguments.declarationsOutputPath?.let { configuration.put(JVMConfigurationKeys.DECLARATIONS_JSON_PATH, it) }
         }

compiler/testData/cli/jvm/extraHelp.out

@@ -9,6 +9,7 @@ where advanced options include:
   -Xskip-metadata-version-check Try loading binary incompatible classes, may cause crashes
   -Xdump-declarations-to <path> Path to JSON file to dump Java to Kotlin declaration mappings
   -Xsingle-module            Combine modules for source files and binary dependencies into a single module
+  -Xadd-compiler-builtins    Add definitions of built-in declarations to the compilation classpath (useful with -no-stdlib)
   -Xinterface-compatibility  Generate DefaultImpls classes for interfaces in JVM target bytecode version 1.8 for binary compatibility with 1.6
   -Xno-inline                Disable method inlining
   -Xrepeat <count>           Repeat compilation (for performance analysis)

libraries/tools/kotlin-maven-plugin/src/it/simple/pom.xml

@@ -34,10 +34,15 @@
                         <goals>
                             <goal>compile</goal>
                         </goals>
+                        <configuration>
+                            <args combine.children="append">
+                                <arg>-Xadd-compiler-builtins</arg>
+                            </args>
+                        </configuration>
                     </execution>
                 </executions>
             </plugin>
         </plugins>
     </build>
 
-</project>
+</project>

libraries/tools/kotlin-maven-plugin/src/it/simple/verify.groovy

@@ -1,3 +1,7 @@
+/**
+ * NOTE: if this script returns false, the build log with more information can be found at tools/kotlin-maven-plugin/target/it/simple/build.log
+ */
+
 import java.util.regex.Pattern
 
 class State {

libraries/tools/runtime/pom.xml

@@ -107,6 +107,8 @@
                             <args combine.children="append">
                                 <arg>-Xdump-declarations-to</arg>
                                 <arg>${basedir}/target/runtime-declarations.json</arg>
+                                <arg>-cp</arg>
+                                <arg>${basedir}/../../../dist/builtins</arg>
                             </args>
                         </configuration>
                     </execution>