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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4484) libwebhdfs compilation broken with gcc 4.6.2
Date Fri, 22 Feb 2013 20:26:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13584638#comment-13584638
] 

Aaron T. Myers commented on HDFS-4484:
--------------------------------------

The patch looks good to me. I confirmed that on gcc 4.6.3 libwebhdfs does not compile without
this patch, and does compile with it.

To test this I also had to install libcurl4-openssl-dev and libjansson-dev to get this to
compile at all, neither of which is documented in BUILDING.txt. Colin, mind documenting those
dependencies in BUILDING.txt as well? This could be done as a separate JIRA if you'd prefer.
Either way is fine by me.
                
> libwebhdfs compilation broken with gcc 4.6.2
> --------------------------------------------
>
>                 Key: HDFS-4484
>                 URL: https://issues.apache.org/jira/browse/HDFS-4484
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.4-beta
>         Environment: OpenSUSE 12.1, x86_64, gcc 4.6.2
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>         Attachments: HDFS-4484.001.patch
>
>
> libwebhdfs doesn't compile with gcc 4.6.2.
> {code}
> /home/cmccabe/hadoop1/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libwebhdfs/src/test_libwebhdfs_ops.c:
In function ‘main’:
> /home/cmccabe/hadoop1/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libwebhdfs/src/test_libwebhdfs_ops.c:260:9:
error: ‘for’ loop initial declarations are only allowed in C99 mode
> /home/cmccabe/hadoop1/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libwebhdfs/src/test_libwebhdfs_ops.c:260:9:
note: use option -std=c99 or -std=gnu99 to compile your code
> /home/cmccabe/hadoop1/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libwebhdfs/src/test_libwebhdfs_ops.c:284:13:
warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has
type ‘tOffset’ [-Wformat]
> /home/cmccabe/hadoop1/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libwebhdfs/src/test_libwebhdfs_ops.c:285:13:
warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has
type ‘tOffset’ [-Wformat]
> /home/cmccabe/hadoop1/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libwebhdfs/src/test_libwebhdfs_ops.c:308:17:
warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has
type ‘tOffset’ [-Wformat]
> /home/cmccabe/hadoop1/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libwebhdfs/src/test_libwebhdfs_ops.c:309:17:
warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has
type ‘tOffset’ [-Wformat]
> {code}

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