https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linking-mkl-lapack/m-p/916817#M12657 As you haven't given much information, how about a guess:<BR />With 32-bit, Intel/AMD64-bit, and ia64 versions of that library, you have 2 chances to choose one which doesn't match the architecture of the compiler. You must use 32-bit ifort (default /opt/intel/fc/9.1.032) together with mkl/8.0/lib/32/<BR />or intel-64 ifort (/opt/intel/fce/9.1.032) together with mkl/8.0/lib/em64t/<BR />I had trouble myself with 8.0/em64t static libraries on AMD, a problem which was fixed in 8.1.<BR /> Thu, 13 Jul 2006 05:41:24 GMT TimP 2006-07-13T05:41:24Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linking-mkl-lapack/m-p/916816#M12656 I'm trying to compile a simple source on a AMD 64.<BR /> <BR /> I'm using ifort 9.1.032 and mkl 8.0.2<BR /> <BR /> The compilation goes OK but the linking fails with the following error:<BR /> <BR /> libmkl_lapack.a: could not read symbols: Bad value<BR /> <BR /> Can anybody help me here? <BR /> <BR /> Thanks,<BR /> <BR /> Vince<BR /> <BR /> Thu, 13 Jul 2006 01:52:12 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linking-mkl-lapack/m-p/916816#M12656 mv2006 2006-07-13T01:52:12Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linking-mkl-lapack/m-p/916817#M12657 As you haven't given much information, how about a guess:<BR />With 32-bit, Intel/AMD64-bit, and ia64 versions of that library, you have 2 chances to choose one which doesn't match the architecture of the compiler. You must use 32-bit ifort (default /opt/intel/fc/9.1.032) together with mkl/8.0/lib/32/<BR />or intel-64 ifort (/opt/intel/fce/9.1.032) together with mkl/8.0/lib/em64t/<BR />I had trouble myself with 8.0/em64t static libraries on AMD, a problem which was fixed in 8.1.<BR /> Thu, 13 Jul 2006 05:41:24 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linking-mkl-lapack/m-p/916817#M12657 TimP 2006-07-13T05:41:24Z