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HADOOP-8722. Update BUILDING.txt with latest snappy info. Contributed by Colin Patrick McCabe 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1379282 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2012-08-31 04:13:29 +00:00
parent 1f767d9bd9
commit f0ff4a9b67
2 changed files with 25 additions and 2 deletions
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24
BUILDING.txt
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@ -54,12 +54,32 @@ Maven build goals:
Build options:
* Use -Pnative to compile/bundle native code
* Use -Dsnappy.prefix=(/usr/local) & -Dbundle.snappy=(false) to compile
Snappy JNI bindings and to bundle Snappy SO files
* Use -Pdocs to generate & bundle the documentation in the distribution (using -Pdist)
* Use -Psrc to create a project source TAR.GZ
* Use -Dtar to create a TAR with the distribution (using -Pdist)
Snappy build options:
Snappy is a compression library that can be utilized by the native code.
It is currently an optional component, meaning that Hadoop can be built with
or without this dependency.
* Use -Drequire.snappy to fail the build if libsnappy.so is not found.
If this option is not specified and the snappy library is missing,
we silently build a version of libhadoop.so that cannot make use of snappy.
This option is recommended if you plan on making use of snappy and want
to get more repeatable builds.
* Use -Dsnappy.prefix to specify a nonstandard location for the libsnappy
header files and library files. You do not need this option if you have
installed snappy using a package manager.
* Use -Dsnappy.lib to specify a nonstandard location for the libsnappy library
files. Similarly to snappy.prefix, you do not need this option if you have
installed snappy using a package manager.
* Use -Dbundle.snappy to copy the contents of the snappy.lib directory into
the final tar file. This option requires that -Dsnappy.lib is also given,
and it ignores the -Dsnappy.prefix option.
Tests options:
* Use -DskipTests to skip tests when running the following Maven goals:

3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -249,6 +249,9 @@ Release 2.0.1-alpha - UNRELEASED
HADOOP-8747. Syntax error on cmake version 2.6 patch 2 in JNIFlags.cmake. (cmccabe via tucu)
HADOOP-8722. Update BUILDING.txt with latest snappy info.
(Colin Patrick McCabe via eli)
BREAKDOWN OF HDFS-3042 SUBTASKS
HADOOP-8220. ZKFailoverController doesn't handle failure to become active