From dd378258f1ea07c841f50a6df6a011265441b7e6 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Fri, 24 Oct 2014 14:42:46 -0400
Subject: FindJava: Do not accept OS X stub 'java' as Java

OS X provides a stub 'java' to inform callers that Java is not present.
When checking the 'java -version' output, look for such a message and if
found pretend 'java' was not found.

Suggested-by: Sean McBride <sean@rogue-research.com>
---
 Modules/FindJava.cmake | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Modules/FindJava.cmake b/Modules/FindJava.cmake
index 0bd7eb0..be2a90f 100644
--- a/Modules/FindJava.cmake
+++ b/Modules/FindJava.cmake
@@ -115,7 +115,10 @@ if(Java_JAVA_EXECUTABLE)
       OUTPUT_STRIP_TRAILING_WHITESPACE
       ERROR_STRIP_TRAILING_WHITESPACE)
     if( res )
-      if(${Java_FIND_REQUIRED})
+      if(var MATCHES "No Java runtime present, requesting install")
+        set_property(CACHE Java_JAVA_EXECUTABLE
+          PROPERTY VALUE "Java_JAVA_EXECUTABLE-NOTFOUND")
+      elseif(${Java_FIND_REQUIRED})
         message( FATAL_ERROR "Error executing java -version" )
       else()
         message( STATUS "Warning, could not run java -version")
-- 
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