topic mkl linking problem in Intel® oneAPI Math Kernel Library

mkl linking problem

e_shahraeeni — Tue, 26 Jun 2012 03:20:45 GMT

I have a strange problem. using MKL for linear solver, I had no problem to link MKL to my code in visual studio. Now under mac when I try to compile the exact same code with make file, I get error message

Obj/mod_diffusion.o Obj/mod_time.o gas.f90 -c -module Mod/ -o Obj/gas.o
Solver/linear_solver_RCIISS.f90(13): error #5102: Cannot open include file 'mkl_rci.fi'
INCLUDE 'mkl_rci.fi'
----------------^
compilation aborted for gas.f90 (code 1)

The MKL include directory is defined in the make file as:

MKLROOT = /opt/intel/composer_xe_2011_sp1.9.289/mkl/

MKL = -I$(MKLROOT)/include/intel64/lp64 -I$(MKLROOT)/include -L$(MKLROOT)/lib $(MKLROOT)/lib/libmkl_blas95_lp64.a $(MKLROOT)/lib/libmkl_lapack95_lp64.a -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core -openmp -lpthread -lm

and the file is there (/opt/intel/composer_xe_2011_sp1.9.289/mkl/include/mkl_rci.fi)

I even add the file 'mkl_rci.fi' directly to the project, but it gives me the same error. I used other MKL functions before the recent changes in the project and there was no problem in linking and compiling. Any clue what would be the problem?

Ebrahim

mkl linking problem

mecej4 — Tue, 26 Jun 2012 11:55:00 GMT

I am not familiar with the Macintosh MKL setup, but I notice this discrepancy:

You specified

-I$(MKLROOT)/include/intel64/lp64

but the particular include file is not target-architecture specific, and is therefore located in

$(MKLROOT)/include

mkl linking problem

e_shahraeeni — Tue, 26 Jun 2012 18:43:54 GMT

I supposed there is no difference between:

MKL = -I$(MKLROOT)/include/intel64/lp64 -I$(MKLROOT)/include

and

MKL = -I$(MKLROOT)/include -I$(MKLROOT)/include/intel64/lp64

but there is!

Following your advice by using the second one, now I get new error:

Undefined symbols for architecture x86_64:
"_linear_solver_rciiss_", referenced from:
_MAIN__ in gas.o
ld: symbol(s) not found for architecture x86_64
make: *** [FRSGW3D.e] Error 1

mkl linking problem

Lorri_M_Intel — Fri, 29 Jun 2012 10:50:46 GMT

And now, what command are you using to link the final executable?

It appears you are not including the mkl libraries.

there is a command line switch that will add the libraries for you:

ifort -mkl gas.o -o gas

--Lorri