Problem With MEX files and DLLs
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Jacob Mevorach
am 2 Nov. 2017
Kommentiert: Jacob Mevorach
am 3 Nov. 2017
So I have been getting the same error for every mex file I've attempted to run. To be clear I wrote a program with a bunch of mex files in it on another computer and then transferred that program to multiple computers. On all of the computers it works except for one where I get the following error message for every single MEX file in the program.
Invalid Mex File <name of mex>.mexw64:
Missing symbol
'?to_ustring@i18n@fl@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@PEBD@Z' in
'<path to MATLAB>\MATLAB\R2017b/bin/win64\libmwi18n.dll' required by
'<path to mex>\<name of mex>.mexw64'.
Does anyone know how to fix this problem?
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Walter Roberson
am 2 Nov. 2017
By the way, the above demangles to
class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > __cdecl fl::i18n::to_ustring(char const * __ptr64)
In short, it is having trouble finding fl::i18n::to_ustring in libmwi18n.dll
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James Tursa
am 2 Nov. 2017
Bearbeitet: James Tursa
am 2 Nov. 2017
In general, compiled mex routines are not guaranteed to be compatible between different versions of MATLAB. E.g., the functions available in the libraries can change. If the earlier version is missing a library routine that the mex routine compiled with the later version is relying on, your only hope is probably to recompile the mex routine on the older computer.
What versions of MATLAB are being used on the other computers where it works?
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