Re: Xcode implicitly uses includes of frameworks which are not linked?
Re: Xcode implicitly uses includes of frameworks which are not linked?
- Subject: Re: Xcode implicitly uses includes of frameworks which are not linked?
- From: Chris Espinosa <email@hidden>
- Date: Thu, 10 Jun 2010 10:36:16 -0700
On Jun 10, 2010, at 6:29 AM, Thijs Koerselman wrote:
> I build a framework from an open source library a while ago, say
> Foo.framework. I completely forgot about that, because I decided that
> it wasn't worth the effort and I continued to work with the standard
> libraries that were build out of the box with the supplied CMake
> system.
>
> So here I am linking to the installed library in /usr/local/lib and
> its headers in /usr/local/include/foo, when I was getting weird memory
> corruptions and such. The debugger always pointed me to some sensible
> place in the code but I couldn't figure out why it was happening. Then
> I discovered that if I pointed Xcode explicitly to the include
> directory everything build fine. I tried to remove that include
> directory, and my application still build. That's where I started to
> get suspicious:)
>
> It turned out that Xcode was, by default, looking in
> /Library/Frameworks first for header files, before looking at
> /usr/local/include/foo. The effect is that my application was using
> the old include files from Foo.framework, while linking to the correct
> library in /usr/local/lib.
>
> So with a statement like:
> #include <foo/someheader.h>
>
> Xcode looks in /Library/Frameworks/Foo.framework first before checking
> /usr/local/include/foo. I think it is rather nasty, that even when I
> don't link to a framework explicitly Xcode is still looking for
> include files there.
>
> Or am I just missing something?
Please post the full text of the "Linking" line (just drag and drop it from the Build Results window) so we can see what's actually happening. Xcode should not put a framework into your search paths if you're not actually linking to that framework.
Chris _______________________________________________
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