Mex 64bit library error
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Hi,
I am trying to compile another mex program. I believe the problem lies in the library list but I don't know what is missing as the requested library is there.
Here is the error I get:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/4.3.5/libgfortran.a: relocation R_X86_64_32 against, '.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC /usr/lib/gcc/x86_64-linux-gnu/4.3.5/libgfortran.a: could not be reads symbols: Bad value
Any help is much appreciated.
Adrianna
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Risposte (2)
Kaustubha Govind
il 12 Ago 2011
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Kaustubha Govind
il 17 Ago 2011
No, I'm not suggesting that. I think what's happening is that you're trying to load a library in your MEX-file that has not been compiled with the -fPIC option.
Where is the symbol .rodata.str1 coming from? Is that in your FORTRAN code? How did you link it to your MEX-function?
Michael
il 1 Set 2011
Matlab is using libgfortran.a but it should instead be using libgfortran.so.3
I've been able to get around this by explicitly including libgfortran.so.3 in the mex call, i.e.
mex myProgram.F90 /usr/local/MATLAB/R2011a/sys/os/glnxa64/libgfortran.so.3 -output myProgram
note you'll need to modify this based on the location of your gfortran library
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