From 8033ec63fba0c722fe2d6db766bf8cc9a44dd3e7 Mon Sep 17 00:00:00 2001
From: Constantine Plotnikov <Constantine.Plotnikov@jetbrains.com>
Date: Thu, 27 May 2010 11:12:55 +0400
Subject: [PATCH] ant generation: Empty path is converted to empty path during
 relative path conversion since it is likely means that no value is supplied

---
 .../openapi/src/com/intellij/compiler/ant/GenerationUtils.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/java/compiler/openapi/src/com/intellij/compiler/ant/GenerationUtils.java b/java/compiler/openapi/src/com/intellij/compiler/ant/GenerationUtils.java
index ca225b99df10..527d9138d9c0 100644
--- a/java/compiler/openapi/src/com/intellij/compiler/ant/GenerationUtils.java
+++ b/java/compiler/openapi/src/com/intellij/compiler/ant/GenerationUtils.java
@@ -86,6 +86,9 @@ public class GenerationUtils {
                                         @NonNls final String baseDirPropertyName,
                                         GenerationOptions genOptions) {
         path = normalizePath(path);
+        if(path.length() == 0) {
+            return path;
+        }
         final String substitutedPath = genOptions.subsitutePathWithMacros(path);
         if (!substitutedPath.equals(path)) {
             // path variable substitution has highest priority