Do not use code preprocessing anymore

libraries/build-docs.xml

@@ -23,7 +23,7 @@
         <mkdir dir="${docs.output}"/>
     </target>
 
-    <target name="preprocess-common-and-compile-builtins">
+    <target name="dist-stdlib">
         <java classname="org.gradle.wrapper.GradleWrapperMain"
               fork="true"
               dir="${basedir}/.."
@@ -34,7 +34,6 @@
                 <pathelement location="${basedir}/../gradle/wrapper/gradle-wrapper.jar"/>
             </classpath>
             <arg line="--no-daemon"/>
-            <arg line=":kotlin-stdlib-common:preprocessSourcesMain"/>
             <arg line=":kotlin-stdlib:distJar"/>
         </java>
     </target>
@@ -46,7 +45,7 @@
         <fileset dir="${basedir}/stdlib/jvm/build/libs/" includes="dist-kotlin-stdlib.jar"/>
         <pathelement location="${basedir}/lib/junit-4.11.jar"/>
     </path>
-    <target name="document" depends="clean,preprocess-common-and-compile-builtins">
+    <target name="document" depends="clean,dist-stdlib">
         <dokka samples="stdlib/samples/test" outputDir="${docs.output}/jre8" moduleName="kotlin-stdlib" skipDeprecated="false" outputFormat="${dokka.format}" jdkversion="8" impliedplatforms="JVM,JS"
                include="stdlib/src/Module.md" noStdlibLink="true" classpathref="stdlib.compile.classpath" languageVersion="1.2">
 
@@ -74,7 +73,7 @@
             <sourceRoot path="../core/builtins/native" />
             <sourceRoot path="../core/builtins/src" />
             <sourceRoot path="stdlib/common/src" />
-            <sourceRoot path="stdlib/common/build/common-sources" />
+            <sourceRoot path="stdlib/src" />
 
             <sourcelink path=".." url="http://github.com/JetBrains/kotlin/blob/${github.revision}" linesuffix="#L"/>