Merge branch 'master' of git://github.com/shafirov/JPS

jps/src/org/jetbrains/jps/ProjectBuilder.groovy

@@ -249,7 +249,7 @@ class ProjectBuilder {
 
   private def chunkOutput(ModuleChunk chunk) {
     if (outputs[chunk] == null) {
-      binding.project.warning("Dependency module ${chunk.name} haven't yet been built, now building it");
+      project.info("Dependency module ${chunk.name} haven't yet been built, now building it");
       makeChunk(chunk)
     }
     return outputs[chunk]

jps/src/org/jetbrains/jps/builders/StandardBuilders.groovy

@@ -14,13 +14,15 @@ class JavacBuilder implements ModuleBuilder {
     String sourceLevel = module["sourceLevel"]
     String targetLevel = module["targetLevel"]
     String customArgs = module["javac_args"]
-    def javacExecutable = getJavacExecutable(module)
     if (module.project.builder.useInProcessJavac) {
-      if (javacExecutable != null) {
-        module.project.warning("In-process Javac instead of '${javacExecutable}' will be used for '${module.name}'")
+      String version = System.getProperty("java.version")
+      if (sourceLevel == null || version.startsWith(sourceLevel)) {
+        if (Java16ApiCompilerRunner.compile(module, state, sourceLevel, targetLevel, customArgs)) {
+          return
+        }
       }
-      if (Java16ApiCompilerRunner.compile(module, state, sourceLevel, targetLevel, customArgs)) {
-        return
+      else {
+        module.project.info("In-process Javac won't be used for '${module.name}', because Java version ($version) doesn't match to source level ($sourceLevel)")
       }
     }
 
@@ -33,6 +35,7 @@ class JavacBuilder implements ModuleBuilder {
     params.fork = "true"
     params.debug = "on"
 
+    def javacExecutable = getJavacExecutable(module)
     if (javacExecutable != null) {
       params.executable = javacExecutable
     }

jps/src/org/jetbrains/jps/builders/javacApi/Java16ApiCompiler.groovy

@@ -46,6 +46,7 @@ class Java16ApiCompiler {
       options << targetLevel
     }
     options << "-g"
+    options << "-nowarn"
 //    options << "-verbose"
 
     List<File> filesToCompile = []