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I am trying to build a matlab s-function using Sun Studio 10 compilers. The program compiles but when I try to load it into matlab I get

??? Invalid MEX-file '/export/ford/sl0473/u/jmccall4/+Work/GMP_data/Release_tests_6/gmp_cf_4_state_gui_redo/gmp_4_state_base_gmp_mex.mexsol': ld.so.1: /apps/avcae-fsabs/1.0/common/mathworks/matlab/14sp3.p/vendor/bin/sol2/MATLAB: fatal: relocation error: file /opt/SUNWspro/prod/lib/cpu/sparcv9+vis2/libfai_isa.so.3: symbol __mt_MasterFunction_: referenced symbol not found.


This is a mixed Fortran and C program.
The fortran code is compiled with
f90 -c -I/apps/matlab/14sp3.p/vendor/extern/include -I/apps/matlab/14sp3.p/vendor/simulink/include -KPIC -C -e -u -O2 -v -r8const -mt -xopenmp base_main.f

The C code with
cc -c -I/apps/matlab/14sp3.p/vendor/extern/include -I/apps/matlab/14sp3.p/vendor/simulink/include -DMATLAB_MEX_FILE -KPIC -xO2 -xlibmieee -D__EXTENSIONS__ -D_POSIX_C_SOURCE=199506L -mt -xopenmp -D_XOPEN_SOURCE=600 -xlibmil -DNDEBUG base_mex.c

and the link is done with
f90 -xO2 -G -mt -xopenmp -M/apps/matlab/14sp3.p/vendor/extern/lib/sol2/fexport.map -o base_mex.mexsol base_main.o base_mex.o /apps/matlab/14sp3.p/vendor/extern/lib/sol2/version4.o my_base_main.a -L/apps/matlab/14sp3.p/vendor/bin/sol2 -lmx -lmex -lmat -lm -lc -L/apps/matlab/14sp3.p/vendor/bin/sol2 -lmx -lmex -lmat -lfui -lfai -lfai2 -lfsumai -lfprodai -lfminlai -lfmaxlai -lfminvai -lfmaxvai -lfsu -lsunmath -lm -lc -lmtsk

an elfdump of the mtsk library leads me to believe the __mt_MasterFunction_ is defined in that library.

How can I compile this so it will run in Matlab?

James.