Problem with configure,informix.sun

[admin]

Hi,
When I run ./configure with -informix options on solaris 8 , i get an error.

Can anyone help ???
Thanks,
sathish
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ld: fatal: file /opt/informix/lib/esql/libifsql.so: wrong ELF class: ELFCLASS64
ld: fatal: file /opt/informix/lib/libifasf.so: wrong ELF class: ELFCLASS64
ld: fatal: file /opt/informix/lib/esql/libifgen.so: wrong ELF class: ELFCLASS64
ld: fatal: file /opt/informix/lib/esql/libifos.so: wrong ELF class: ELFCLASS64
ld: fatal: file /opt/informix/lib/esql/libifgls.so: wrong ELF class: ELFCLASS64
ld: fatal: file /opt/informix/lib/esql/libifglx.so: wrong ELF class: ELFCLASS64
ld: fatal: File processing errors. No output written to conftest
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