Re: [Quantlib-dev] how to compile a program that uses quantlib

[mariav <mar...@ya...>]

Thank you, Luigi. That part worked after I followed your instructions. I have
new errors now, but I work on my own for some time before posting a question
to the forum. Thanks!


mariav wrote:
> 
> I wrote an extremely simple c++ program, but I cannot compile it. The
> program is the following:
> 
> #include <ql/quantlib.hpp>
> #include <iostream>
> 
> using namespace QuantLib;
> 
> int main()
> {
>  std::cout << "Hello world!" << std::endl;
> return 0;
> }
> 
> if I compile using 
> g++ filename.cpp -o filename 
> 
> I get the error messages: 
>   error: ql/quantlib.hpp: No such file or directory
>  'Quantlib' is not a namespace-name
>   expected namespace-name before ';' token
> 
> By doing an investigation on this forum (and on the internet) I read that
> I should compile using
> 
> g++ filename.cpp -o filename -l/path/to/includefiles -L/path/to/libfiles
> -lql
> 
> However, I have no idea what is the path to include and the path to the
> library files. That is, I understand that in the above line I have to
> replace /path/to/includefile to the path that applies to my installation
> (the same for /path/to/libfiles). However, how can I find that? I have no
> idea of what to type there. 
> 
> In other forum response I found I only need to use 
> g++ filename.cpp -o filename -lQuantLib
> 
> That does not work. I get the same errors that I obtain if I do not add
> the -lQuantLib
> 
> My installation of Quantlib was done in the following way: I created a
> subdirectory called Quantlib in my 
> home directory and extracted the files QuantLib-0.9.0 to there. I went to
> the QuantLib-0.9.0 directory (home/maria/Quantlib/QuantLib-0.9.0/ ) and
> typed
> 
> ./configure --with-boost-include=/home/maria/Boost/boost_1_35_0
> --with-boost-lib=/home/maria/Boost/boost_1_35_0/libs
> 
> make
> 
> So, what should I type in order to compile my simple program?  THANKS!
>   
> 
> 

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