This message has been moved to the Intel Math Kernel Library forum which launched on Dec. 18, 2003.
I did "nm" on all mkl libs and found that defn is present only in libmkl_lapack64.so.Please try linking this lib with your application.
I expect the original poster was running 32-bit linux, and so switching to ia64 mkl wouldn't help. He didn't show whether the mkl library directory was on his library search path. Normally, mkl expects basic knowledge about such things, as it doesn't set itself up automatically.
Thanks I got it. I did have the proper directories in the search path. I removed all the libraies i had linked to before and just put in "-lmkl_lapack" & "-lmkl_ia32".