diff -r c1e24d017918 -r 86b413b8f779 src/Pure/Tools/build_console.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/Tools/build_console.scala	Sun Jul 20 17:21:14 2014 +0200
@@ -0,0 +1,55 @@
+/*  Title:      Pure/Tools/build_console.scala
+    Author:     Makarius
+
+Check and build Isabelle session for console tool.
+*/
+
+package isabelle
+
+
+object Build_Console
+{
+  /* build_console */
+
+  def build_console(
+    options: Options,
+    progress: Build.Progress = Build.Ignore_Progress,
+    dirs: List[Path] = Nil,
+    no_build: Boolean = false,
+    system_mode: Boolean = false,
+    session: String): Int =
+  {
+    if (no_build ||
+        Build.build(options = options, build_heap = true, no_build = true,
+          dirs = dirs, sessions = List(session)) == 0) 0
+    else {
+      progress.echo("Build started for Isabelle/" + session + " ...")
+      Build.build(options = options, progress = progress, build_heap = true,
+        dirs = dirs, system_mode = system_mode, sessions = List(session))
+    }
+  }
+
+
+  /* command line entry point */
+
+  def main(args: Array[String])
+  {
+    Command_Line.tool {
+      args.toList match {
+        case
+          session ::
+          Properties.Value.Boolean(no_build) ::
+          Properties.Value.Boolean(system_mode) ::
+          Command_Line.Chunks(dirs, build_options) =>
+            val options = (Options.init() /: build_options)(_ + _)
+            val progress = new Build.Console_Progress()
+            progress.interrupt_handler {
+              build_console(options, progress,
+                dirs.map(Path.explode(_)), no_build, system_mode, session)
+            }
+        case _ => error("Bad arguments:\n" + cat_lines(args))
+      }
+    }
+  }
+}
+