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Re: AW: Compling Error gsu 2.6

From: John D Lamb
Subject: Re: AW: Compling Error gsu 2.6
Date: Thu, 30 Jul 2020 16:43:45 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

Dear Benedikt:

I also use Ubuntu (20.04) and have not had problems with GSL linking.

The -L/usr/local/lib should be telling g++ to look in /usr/local/lib. But you seem to have installed gsl in ~/Programme; so it might be more sensible to use -L.. instead (I haven’t tested it).

Ubuntu already has GSL in the repositories; so you might just install it. If you are using any recent version you should have stats available. And if GSL is installed in the Ubuntu default location, g++ will find etc without any extra effort.

If you are using C++ and want to use GSL stats on, for example, std::vector<double>s, you could try, which will let you use gsl stats functions with objects C doesn’t know about. But solve the location problem first: ccgsl doesn’t
need extra libraries but it does need somewhere to install header files.

On 30/07/2020 15:53, Kalthoff, Benedikt Johannes wrote:
Dear all,

I use an Ubuntu Linux system and have extracted the gsl files into
~/Programme (thus ~/Programme/gsl/* are all the downloaded files)
and have installed anything into the basic structures.

My blub.cpp lies in the ~/Programme/testprogramme and I looked
into the /usr/local/lib folder and have found the files you have mentioned.

If I use now the command g++ -L/usr/local/lib -lgsl -lgslcblas -lm blub.cpp
I still get the old error.

Might it be possible that I need another package which might be necessary?

John D Lamb

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