[jira] Updated: (LUCENE-471) gcj ant target doesn't work on windows

["Michele Bini (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/LUCENE-471?page=all ]

Michele Bini updated LUCENE-471:
--------------------------------

    Attachment: win-mmap.diff

Window implementation of to GCJIndexInput.cc  memory mapped i/o

> gcj ant target doesn't work on windows
> --------------------------------------
>
>          Key: LUCENE-471
>          URL: http://issues.apache.org/jira/browse/LUCENE-471
>      Project: Lucene - Java
>         Type: Bug
>   Components: Other
>     Versions: CVS Nightly - Specify date in submission
>  Environment: Windows with MinGW (http://www.mingw.org/) and unixutils (http://unxutils.sourceforge.net/)
>     Reporter: Michele Bini
>  Attachments: win-mmap.diff
>
> In order to fix it I made two changes, both really simple.
> First I added to org/apache/lucene/store/GCJIndexInput.cc some code to use windows memory-mapped I/O instead than unix mmap().
> Then I had to rearrange the link order in the Makefile in order to avoid unresolved symbol errors. Also to build repeatedly I had to instruct make to ignore the return code for the mkdir command as on windows it fails if the directory already exists.
> I'm attaching two patches corresponding to the changes; please note that with the patches applied, the gcj target still works on linux. Both patches apply cleanly to the current svn head.

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