From b0b920b08fae74de3fd7a7dd5efbca9e8cf379e6 Mon Sep 17 00:00:00 2001
From: Stefan Bodewig <bodewig@apache.org>
Date: Fri, 11 Jun 2010 07:33:07 +0000
Subject: [PATCH] <javac> faild for long command lines on OS/2.  PR 49425. 
 Submitted by <dmik DOT for MINUS maillists AT hugaida DOT com>

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@953594 13f79535-47bb-0310-9956-ffa450edef68
---
 WHATSNEW                                               |  3 +++
 .../ant/taskdefs/compilers/DefaultCompilerAdapter.java | 10 +++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/WHATSNEW b/WHATSNEW
index 3b2f3a84d..9d9b40f81 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -51,6 +51,9 @@ Fixed bugs:
    itself.
    Bugzilla Report 49420.
 
+ * <javac> failed for long command lines on OS/2.
+   Bugzilla Report 49425.
+
 Other changes:
 --------------
 
diff --git a/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java b/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java
index c43204fa0..de21af058 100644
--- a/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java
+++ b/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java
@@ -45,7 +45,15 @@ import org.apache.tools.ant.taskdefs.condition.Os;
  * @since Ant 1.3
  */
 public abstract class DefaultCompilerAdapter implements CompilerAdapter {
-    private static final int COMMAND_LINE_LIMIT = 4096;  // 4K
+    private static final int COMMAND_LINE_LIMIT;
+    static {
+        if (Os.isFamily("os/2")) {
+            // OS/2 CMD.EXE has a much smaller limit around 1K
+            COMMAND_LINE_LIMIT = 1000;
+        } else {
+            COMMAND_LINE_LIMIT = 4096;  // 4K
+        }
+    }
     // CheckStyle:VisibilityModifier OFF - bc
 
     private static final FileUtils FILE_UTILS = FileUtils.getFileUtils();