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https://issues.apache.org/jira/browse/HADOOP-9215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13554013#comment-13554013
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Charles Wimmer commented on HADOOP-9215:
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If a specific version of cmake is required, then the build should fail without
it.
http://www.cmake.org/cmake/help/v2.8.10/cmake.html#command:cmake_minimum_required
{noformat}
cmake_minimum_required: Set the minimum required version of cmake for a project.
cmake_minimum_required(VERSION major[.minor[.patch[.tweak]]]
[FATAL_ERROR])
If the current version of CMake is lower than that required it will stop
processing the project and report an error. When a version higher than 2.4 is
specified the command implicitly invokes
cmake_policy(VERSION major[.minor[.patch[.tweak]]])
which sets the cmake policy version level to the version specified. When
version 2.4 or lower is given the command implicitly invokes
cmake_policy(VERSION 2.4)
which enables compatibility features for CMake 2.4 and lower.
The FATAL_ERROR option is accepted but ignored by CMake 2.6 and higher. It
should be specified so CMake versions 2.4 and lower fail with an error instead
of just a warning.{noformat}
> libhadoop.so doesn't exist (only libhadoop.so.1.0.0)
> ----------------------------------------------------
>
> Key: HADOOP-9215
> URL: https://issues.apache.org/jira/browse/HADOOP-9215
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.0.0, 2.0.3-alpha
> Reporter: Thomas Graves
> Priority: Blocker
>
> Looks like none of the .so files are being built. They all have .so.1.0.0 but
> no just .so file. branch-0.23 works fine but trunk and branch-2 are broke.
> This actually applies to libhadoop.so and libhdfs.so
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