Re: [Help-glpk] Trouble installing GLPKMEX

[Benjamin Webber]

Andrew,

I made those changes to the glpkcc.cpp file and thankfully it 
successfully compiled. How would I go about linking it to the library, 
now? Is this a question for Nicolo?

Thank you,

Ben

Andrew Makhorin wrote:
> > Thanks for your quick response! I downloaded the alternate gplkcc.cpp
> > file and tried to reinstall GLPKMEX. I was thrown these errors,
>
> > ---------------------------------------------------------------------
>
> > In function ‘char* strcpy(char*, const char*)’,
> >      inlined from ‘void mexFunction(int, mxArray**, int, const 
> > mxArray**)’ at glpkcc.cpp:732:
> > /usr/include/bits/string3.h:106: warning: call to char* 
> > __builtin___strcpy_chk(char*, const char*, long unsigned int) will 
> > always overflow destination buffer
> > In function ‘char* strcpy(char*, const char*)’,
> >      inlined from ‘void mexFunction(int, mxArray**, int, const 
> > mxArray**)’ at glpkcc.cpp:736:
> > /usr/include/bits/string3.h:106: warning: call to char* 
> > __builtin___strcpy_chk(char*, const char*, long unsigned int) will 
> > always overflow destination buffer
>
> There is an error in the original glpkmex code. To fix it replace
> line 724:
>
>     char save_filetype[4];
>
> by the following one:
>
>     char save_filetype[5];
>
> Nevertheless, now compilation is successful.
>
> > /usr/bin/ld: /usr/lib/libglpk.a(glpapi01.o): relocation R_X86_64_32
> > against `a local symbol' can not be used when making a shared object; 
> > recompile with -fPIC
> > /usr/lib/libglpk.a: could not read symbols: Bad value
> > collect2: ld returned 1 exit status
>
> Looks like there is some incompatibility between libglpk.a and the
> glpkmex object code you just compiled.
>
> >      mex: link of ' "glpkcc.mexa64"' failed.
>
> > ??? Error using ==> mex at 213
> > Unable to complete successfully.
>
> > Error in ==> makeglpkmex at 111
> > eval(['mex ' cmd]);
>
> > Error in ==> run at 57
> >            evalin('caller', [s ';']);