Errors when using Matlab mex

Question

I am using Matlab 2023a to call Fortran source file using mex. I use the following compiler for Fortran language compilation:

Intel oneAPI 2023 for Fortran with Microsoft Visual Studio 2022.

The code I used to compile is

mex ero_dep_fortran.f90 -output ero_dep_fortran

However, I got the following erros:

Error using mex C:\Users\40967\Desktop\Paper bank collapse and meander migration\Draft-version2\Code\ero_dep_fortran.lib �Ͷ��� C:\Users\40967\Desktop\Paper bank collapse and meander migration\Draft-version2\Code\ero_dep_fortran.exp ero_dep_fortran.obj : error LNK2019: �޷��������ⲿ���� NEW_EPOINTS_ASSIGNMENT���÷����ں��� MEXFUNCTION �б����� ero_dep_fortran.obj : error LNK2019: �޷��������ⲿ���� omp_get_wtime���÷����ں��� BANK_EROSION_CALCULATION_ENTRY �б����� C:\Users\40967\Desktop\Paper bank collapse and meander migration\�޸ĺ����\Draft-version2\Code\ero_dep_fortran.mexw64 : fatal error LNK1120: 2���޷��������ⲿ����

A lot of messy code in the error. I found the main problem maybe

ero_dep_fortran.obj : error LNK2019

but I do not know how to slove it...This code can be run in other computers with lower version of Matlab and Intel Parallel Studio XE, Microsoft Visual Studio.

Any suggestion is grateful....

Answer 1

I notice you are using a .f90 free format source file. Have you edited the MATLAB supplied compile file to get rid of the silly /fixed option on the $COMPFLAGS line yet? This forces the compiler to treat your file as a fixed format file which you don't want. Just delete that option from that file.

E.g., On a PC you can check in the matlabroot\bin\win64\mexopts directory for an XML file that corresponds to your compiler. Then look for a line that resembles this:

 COMPFLAGS="/nologo /fpp /Qprec /fixed /MD /fp:source /assume:bscc $INCLUDE  $COMPDEFINES"

Delete the /fixed option so that the line looks like this instead:

 COMPFLAGS="/nologo /fpp /Qprec /MD /fp:source /assume:bscc $INCLUDE  $COMPDEFINES"