From a03b486101876c963e33b8c2c405e91ddd3fa078 Mon Sep 17 00:00:00 2001
From: Maxim Shafirov <max@jetbrains.com>
Date: Thu, 29 Dec 2011 21:18:03 +0400
Subject: [PATCH] Getting java home isn't that hard if you're running java code

---
 .../src/org/jetbrains/jet/compiler/CompileEnvironment.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/compiler/backend/src/org/jetbrains/jet/compiler/CompileEnvironment.java b/compiler/backend/src/org/jetbrains/jet/compiler/CompileEnvironment.java
index 2d2722e4810..63f7507da79 100644
--- a/compiler/backend/src/org/jetbrains/jet/compiler/CompileEnvironment.java
+++ b/compiler/backend/src/org/jetbrains/jet/compiler/CompileEnvironment.java
@@ -97,6 +97,13 @@ public class CompileEnvironment {
     
     public static File findRtJar(boolean failOnError) {
         String javaHome = System.getenv("JAVA_HOME");
+        if (javaHome == null) {
+            javaHome = System.getProperty("java.home");
+            if ("jre".equals(new File(javaHome).getName())) {
+                javaHome = new File(javaHome).getParent();
+            }
+        }
+
         File rtJar;
         if (javaHome == null) {
             rtJar = findActiveRtJar(failOnError);