[news.eclipse.newcomer] Re: Link Libraries CDT

[Derek <subs@xxxxxxxxxxxxxxxxxxxxx>]

This is not a CDT question, but one to do with the linker. However, you 
need to link with -lGL as the linker automatcally adds the lib prefix 
and the library extension .


Charles Pergiel wrote:
> I've upgraded to Eclipse 3.4.1, which seems to be the latest you can get 
> from the Eclipse web site, at least for C development.
> My program compiles but won't link.
>
> Under Project/Properties/C/C++Build/Settings/GCC Linker/Libraries there 
> are two boxes: one for individual libraries and one for library search 
> path.
>
> For the libraries I added, libGL.so, libGLU.so & libglut.so, each on 
> their own line.
>
> For the library search path I added /usr/lib/
>
> I checked, the libraries I listed are in the specified directory:
>
> ccp@ccp-desktop:~$ ls /usr/lib/libGL*.so
> /usr/lib/libGL.so  /usr/lib/libGLU.so
> ccp@ccp-desktop:~$ ls /usr/lib/libglut.so
> /usr/lib/libglut.so
>
> but the linker (ld) cannot find them and complains.
>
> make all Building target: gears
> Invoking: GCC C Linker
> gcc -L/usr/lib/ -o"gears"  ./draw_gears.o ./gl_drawing.o ./load_data.o 
> /main.o ./normal.o ./prep_data.o   -llibGL.so -llibGLU.so -llibglut.so
> /usr/bin/ld: cannot find -llibGL.so
> collect2: ld returned 1 exit status
> make: *** [gears] Error 1
>
> This is essentially the same command I had in the makefile I was using, 
> and it worked there.


--
Derek