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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1619) Does libhdfs really need to depend on AC_TYPE_INT16_T, AC_TYPE_INT32_T, AC_TYPE_INT64_T and AC_TYPE_UINT16_T ?
Date Sat, 04 Jun 2011 03:58:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13044188#comment-13044188
] 

Allen Wittenauer commented on HDFS-1619:
----------------------------------------

IIRC, using // is a comment for C code is defined as a standard in C99. So yes, we do use
C99 features in libhdfs.

> Does libhdfs really need to depend on AC_TYPE_INT16_T, AC_TYPE_INT32_T, AC_TYPE_INT64_T
and AC_TYPE_UINT16_T ?
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1619
>                 URL: https://issues.apache.org/jira/browse/HDFS-1619
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Roman Shaposhnik
>            Assignee: Konstantin Shvachko
>         Attachments: HDFS-1619.patch.txt
>
>
> Currently configure.ac uses AC_TYPE_INT16_T, AC_TYPE_INT32_T, AC_TYPE_INT64_T and AC_TYPE_UINT16_T
and thus requires autoconf 2.61 or higher. 
> This prevents using it on such platforms as CentOS/RHEL 5.4 and 5.5. Given that those
are pretty popular and also given that it is really difficult to find a platform
> these days that doesn't natively define  intXX_t types I'm curious as to whether we can
simply remove those macros or perhaps fail ONLY if we happen to be on such
> a platform. 
> Here's a link to GNU autoconf docs for your reference:
>     http://www.gnu.org/software/hello/manual/autoconf/Particular-Types.html

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