scarphin :
Yes I perform all the steps listed in the website (so I made modifcations in 'settings ->compiler ->search directories' and 'settings ->compiler ->Linker settings'.
I tried to do the same thing in 'project->build options-> search directories' and 'project->build options->Linker settings', but it's still not working.
In 'settings ->compiler ->search directories ->compiler' I have :
And in 'settings ->compiler ->search directories ->Linker' :
C:\opencv\build\x86\mingw\lib
stahta01 :
I don't understand why, I configured my computer to compile with :
c:/program files (x86)/codeblocks/mingw/bin/