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From cnaur...@apache.org
Subject svn commit: r1582873 - /hadoop/common/branches/branch-2.4/BUILDING.txt
Date Fri, 28 Mar 2014 19:59:51 GMT
Author: cnauroth
Date: Fri Mar 28 19:59:50 2014
New Revision: 1582873

URL: http://svn.apache.org/r1582873
HADOOP-10450. Merging change r1582871 from branch-2 to branch-2.4


Modified: hadoop/common/branches/branch-2.4/BUILDING.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4/BUILDING.txt?rev=1582873&r1=1582872&r2=1582873&view=diff
--- hadoop/common/branches/branch-2.4/BUILDING.txt (original)
+++ hadoop/common/branches/branch-2.4/BUILDING.txt Fri Mar 28 19:59:50 2014
@@ -189,6 +189,7 @@ Requirements:
 * ProtocolBuffer 2.5.0
 * Windows SDK or Visual Studio 2010 Professional
 * Unix command-line tools from GnuWin32 or Cygwin: sh, mkdir, rm, cp, tar, gzip
+* zlib headers (if building native code bindings for zlib)
 * Internet connection for first build (to fetch all Maven and Hadoop dependencies)
 If using Visual Studio, it must be Visual Studio 2010 Professional (not 2012).
@@ -228,6 +229,18 @@ native code is built by enabling the 'na
 is enabled by default when building on Windows since the native components 
 are required (not optional) on Windows.
+If native code bindings for zlib are required, then the zlib headers must be
+deployed on the build machine.  Set the ZLIB_HOME environment variable to the
+directory containing the headers.
+set ZLIB_HOME=C:\zlib-1.2.7
+At runtime, zlib1.dll must be accessible on the PATH.  Hadoop has been tested
+with zlib 1.2.7, built using Visual Studio 2010 out of contrib\vstudio\vc10 in
+the zlib 1.2.7 source tree.
 Building distributions:

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