Merge pull request #2319 from dotty-staging/fix/doc-ide

Document IDE import

Author: smarter

docs/docs/contributing/eclipse.md

@@ -6,7 +6,7 @@ title: Building Dotty with Eclipse
 Build setup
 -----------
 
-1. Run `sbt eclipse`
+1. Run `sbt ;managedSources;eclipse`
 
 2. It is recommended to change the default output folder (in `Properties > java
    build path > Source`) to `dotty/classes` instead of `dotty/bin` because
@@ -21,9 +21,6 @@ If you have `CLASSPATH` defined:
    that it contains a `CLASSPATH` variable which reflects the current
    `CLASSPATH`.
 
-In order for compilation errors related to `ENUM` to be resolved, make sure
-that scala-reflect 2.11.5 is on the classpath.
-
 Running the compiler Main class from Eclipse
 --------------------------------------------
 1. Navigate to `dotty.tools.dotc.Main`

docs/docs/contributing/getting-started.md

@@ -26,6 +26,7 @@ Start by cloning the repository:
 ```bash
 $ git clone --recursive https://github.com/lampepfl/dotty.git
 $ cd dotty
+$ sbt managedSources ## Needed for IDE import to succeed
 ```
 
 Dotty provides a standard sbt build: compiling, running and starting a repl can

project/Build.scala

@@ -151,7 +151,7 @@ object Build {
       crossPaths := false,
       // Do not depend on the Scala library
       autoScalaLibrary := false,
-      // Let the sbt eclipse plugin now that this is a Java-only project
+      // Let the sbt eclipse plugin know that this is a Java-only project
       EclipseKeys.projectFlavor := EclipseProjectFlavor.Java,
       //Remove javac invalid options in Compile doc
       javacOptions in (Compile, doc) --= Seq("-Xlint:unchecked", "-Xlint:deprecation")