error: ld: symbol(s) not found

[André de Boer]

Dear All,

When compiling the following simple program:

.......

#include <iostream>

#include <ql/quantlib.hpp>

using namespace std;

int main(int argc, char* argv[])

{

        cout<<"C++ Program Output"<<endl;

        return 0;

}

.......

with the following command: g++ hello.cpp -o hello -I/opt/local/include

I get the following error message:

ld: symbol(s) not found

When compiling a program with boost there is no problem.

Hardware Overview:

  Model Name: MacBook Pro

  Model Identifier: MacBookPro5,5

  Processor Name: Intel Core 2 Duo

  Processor Speed: 2.53 GHz

  Number Of Processors: 1

  Total Number Of Cores: 2

  L2 Cache: 3 MB

  Memory: 4 GB

  

Can someone help me out?

Thanks in advance,

André de Boer

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[animesh]

You need to link with this file. libQuantLib.0.dylib

It's in /opt/local/lib


On 7/24/10 5:19 PM, André de Boer wrote:

Dear All,

When compiling the following simple program:

.......

#include <iostream>

#include <ql/quantlib.hpp>

using namespace std;

int main(int argc, char* argv[])

{

        cout<<"C++ Program Output"<<endl;

        return 0;

}

.......

with the following command: g++ hello.cpp -o hello -I/opt/local/include

I get the following error message:

ld: symbol(s) not found

When compiling a program with boost there is no problem.

Hardware Overview:

  Model Name: MacBook Pro

  Model Identifier: MacBookPro5,5

  Processor Name: Intel Core 2 Duo

  Processor Speed: 2.53 GHz

  Number Of Processors: 1

  Total Number Of Cores: 2

  L2 Cache: 3 MB

  Memory: 4 GB

  

Can someone help me out?

Thanks in advance,

André de Boer

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This SF.net email is sponsored by Sprint
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[Luigi Ballabio]

On Sat, 2010-07-24 at 17:41 +0530, animesh saxena wrote:
> You need to link with this file. libQuantLib.0.dylib
>
> It's in /opt/local/lib

Yes, but it's better practice not to rely on full names. You can just
add -lQuantLib to the compiler options and let the linker figure out
what library should be used. If /opt/local/lib is not among the folders
that the linker checks, you should also add -L/opt/local/lib to the
command line.

Luigi


--

Discontent is the first necessity of progress.
-- Thomas A. Edison



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