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From "Chris Elford (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-2827) Fedora Core 6 -- C++ library compatibility
Date Wed, 20 Dec 2006 20:17:22 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-2827?page=all ]

Chris Elford updated HARMONY-2827:
----------------------------------

    Attachment: fedora6-w-compatibilitylibs.strace

strace log after legacy compatibility libraries installed on fedora core 6.  shows that both
libstdc++.so.5 and libstdc++.so.5 are loaded.



> Fedora Core 6 -- C++ library compatibility
> ------------------------------------------
>
>                 Key: HARMONY-2827
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2827
>             Project: Harmony
>          Issue Type: Improvement
>          Components: VM
>         Environment: Fedora Core 6 -- x86
>            Reporter: Chris Elford
>            Priority: Minor
>         Attachments: fedora6-w-compatibilitylibs.strace, fedora6-wo-compatibliltylibs.strace
>
>
> I tried to use the binary JRE bundle from the web site (jre-r468731) to run a hello world
application.
> I got error: java/lang/UnsatisfiedLinkError : Failed loading library "libhytext.so":
DSO load failed
> According to strace, the issue appears to be an inability to load the nonexistant libstdc++.so.5.
 By installing the gcc 3.3.4 compatibility libraries (compat-libstdc++-33 package), I was
able to get it to work.
> It would be good to document the needed library set or have a more meaningful error message
than failure to load libhytext.so.
> Another anomoly that appeared when running strace is that it appears to load BOTH libstdc++.so.6
AND libstdc++.so.5.  This seems to be quite odd and seems to indicate that some components
were compiled with one compiler and some other components were compiled with another compiler.
 It looks like libharmonyvm.so uses a current compiler while the hytext library uses an older
compiler.
> strace logs from the failure and after  the legacy compatibility libraries were installed
are attached.

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