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Linking mex files to boost libraries

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Oliver Woodford
Oliver Woodford on 2 Jun 2014
Commented: Oliver Woodford on 3 Jun 2014
Boost libraries have awkward names. They depend on all sorts of things: compiler version, library type, boost version, etc. E.g.: libboost_system-vc100-mt-1_51.lib. To help with this, boost functions tell the linker what libraries to include using a directive such as:
#pragma comment(lib, "libboost_system-vc100-mt-1_51.lib")
Now this is fine if the linker knows where to find the library. However, I'm building a mex file as follows:
mex -LMY_BOOST_LIB_DIR my_mex.cpp
(where MY_BOOST_LIB_DIR is correct for my system) and I get the error:
LINK : fatal error LNK1104: cannot open file 'libboost_system-vc100-mt-1_51.lib'
However, when I use:
mex -LMY_BOOST_LIB_DIR -llibboost_system-vc100-mt-1_51 my_mex.cpp
it works fine.
The issue is that I want to use MSVC's (as I'm on a Windows PC using that compiler) autolinking feature, but MATLAB's mex function doesn't appear to be passing the linker directory information through. Do you know a way round this?
  5 Comments
Oliver Woodford
Oliver Woodford on 3 Jun 2014
Thanks. I will use the entire path when linking.

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