Bug#875452: libcsfml-dev: impossible to use libsfml since libcsfml header is in /usr/include/SFML

[James Cowgill]

Control: tags -1 moreinfo

Hi,

On 11/09/17 14:49, NathV wrote:
> Package: libcsfml-dev
> Version: 2.3-3+b1
> Severity: important
> 
> Dear Maintainer, I was trying to compile an SFML project.
> 
>         > g++ -c main.cpp
>         > g++ main.o -o test  -lsfml-graphics -lsfml-window -lsfml-system
> 
>         main.o: In function `main':
>         main.cpp:(.text+0xc8): undefined reference to
> `sf::CircleShape::CircleShape(float, unsigned int)'
>         collect2: error: ld returned 1 exit status

I cannot reproduce this error. The "unsigned int" suggests to me that
you are using mismatched headers / libraries since that constructor does
not use "unsigned int" in that version.

> Then i've uninstalled libcsfml, and it was working. I think the problem come
> from the fact that in /usr/include/SFML there is both libcsfml and libsfml
> header.
> 
>         > ls /usr/include/SFML
>         Audio      Config.hpp    Main.hpp     OpenGL.h    System.hpp
>         Audio.h    Graphics      Network      OpenGL.hpp  Window
>         Audio.hpp  Graphics.h    Network.h    System      Window.h
>         Config.h   Graphics.hpp  Network.hpp  System.h    Window.hpp
>         > sudo apt-get remove "libcsfml*"
>         > ls /usr/include/SFML
>         Audio       Graphics      Network      System      Window.hpp
>         Audio.hpp   Graphics.hpp  Network.hpp  System.hpp
>         Config.hpp  Main.hpp      OpenGL.hpp   Window

I think this is a red herring. The headers should be completely separate
(no header includes a header from the wrong package).

> more details here: https://en.sfml-dev.org/forums/index.php?topic=22492.0

That thread suggests that you have some old versions of SFML lying
around. Please can you search through /usr/local and remove all traces
of SFML / CSFML and then try again.

If it still fails, running g++ like this might be useful. It should give
the full path to all the SFML headers and libraries being used:
> g++ -Wl,--verbose -H main.cpp -o test -lsfml-graphics -lsfml-window -lsfml-system 2>&1 | grep -i sfml

Also what version of libsfml-dev do you have installed?

Thanks,
James

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