[Qt-creator] Code completion is unable to find header files

[Nikos Chantziaras]

I forgot to mention that I know about this, but this can potentially 
also break portability, since it might preempt the directory reported by 
pkg-config.


On 31/12/12 12:26, Orgad Shaneh wrote:
> Add in your pro file:
> INCLUDEPATH += /usr/include/SDL
>
>
> On Mon, Dec 31, 2012 at 12:19 PM, Nikos Chantziaras <realnc at gmail.com
> <mailto:realnc at gmail.com>> wrote:
>
>     I've run into a nasty problem with Qt Creator (I'm using 2.6.1 on Gentoo
>     Linux) where it can't find header files I include and thus code
>     completion for anything in those headers isn't working.
>
>     Case in point:
>
>         #include <SDL.h>
>
>     Creator can't find it because the full path to that header is:
>
>         /usr/include/SDL/SDL.h
>
>     However, I don't want to use:
>
>         #include <SDL/SDL.h>
>
>     instead.  That's not the correct way to do it, as it breaks portability.
>        Some systems don't use "SDL/" but can have that header in
>     "SDL1.2/" or
>     "SDL12/" or "SDL-1.2/" or whatever.  The correct way to do this is to
>     use pkg-config.  In my project file:
>
>         CONFIG += link_pkgconfig
>         PKGCONFIG += sdl
>
>     Qt Creator is not able to pick that up.  So as a workaround, which seems
>     to work fine with generic projects, I provided a "ProjectName.includes"
>     file with this in it:
>
>         /usr/include/SDL
>
>     But Creator doesn't seem to care.  This works just fine for non-qmake
>     projects.  But with qmake projects, Creator seems to ignore *.includes
>     files?
>
>     What can I do?
>
>     This is of course not limited to SDL. The same problem arises with
>     anything that uses pkg-config to provide include paths and you're not
>     supposed to hardcode the path prefix into your #include directives.
>
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