Re: SDKs and framework paths
Re: SDKs and framework paths
- Subject: Re: SDKs and framework paths
- From: email@hidden
- Date: Sun, 2 Dec 2007 19:14:45 -0500
On Dec 2, 2007, at 1:35 PM, Kai Brüning wrote:
My understanding is that the chosen SDK for a project is supposed to
which variant of an OS-supplied framework is used. But when
including frameworks in an Xcode project, the project also remembers
a path to the framework (as to any other item added to a project).
And as far as I can see, this path can not be SDK-relative. As a
result, I have to update the paths to all frameworks when changing
the SDK.
Is this by design? Or am I overlooking something?
It sounds like you are adding frameworks by specifying the framework
in the /Developer/SDKs/.../System/Library/Frameworks directory. If so,
don't do that. Add the framework by locating it in /System/Library/
Framework. When you define an SDK at the project level, that causes
Xcode to pass the -isysroot flag to the compiler which makes the
effective path for linking the /Developer/SDKs... path.
As an aside, I do not really understand the relationship between the
above mentioned paths to frameworks saved in projects and the
"framework search path" specified in build settings.
Frameworks are specified by name, such as -framework Foundation. /
System/Library/Frameworks and /Libary/Frameworks are searched by
default. If you have frameworks in other locations, perhaps from a
third-party or a different project, you can add the path to the
directory containing the framework to "framework search path", then
the linker will find the framework when specified by name.
You can see the results of setting these options by looking at the
detailed build transcript. There is a button at the bottom of the
Build Results that reveals the transcript. In there, you can find the
full command that is being passed to gcc, for example.
Aaron Burghardt
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