Hi All,

EL5 claims to be fully compatible with binaries that were built on EL4 and
3.
I doubt this to be true, because I have a library that was built on EL3 and
linked with libperl.so. It no longer works on EL5. I get undefined symbol:
PL_sv_undef Sure enough, this symbol does not exist in libperl on EL5. On
both the EL3 and EL5 machine, the versions of Perl are 5.8.8.

I have a couple questions?
1) Why is libperl.so different between EL3 and 5, even though the Perl
versions are the same? ( Even the size of the so is much different )
2) Does anyone have a link to documentation that talks about this
compatibility issue? ( I've googled and have not turned up anything useful )

I am new to this list, so sorry if it's not the correct list for such a
question. Kindly direct me to the correct mailing list if this isn't the
correct one.

many many thanks!!!

-B
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