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Subject: include_next?
From: Steve Mills <email@hidden>
Date: Thu, 5 Jan 2006 16:29:41 -0600

I've just configured our main project and all the 3rd party subprojects so they will be able to build Universal Binaries. As the documentation instructs, I've added these to all build settings for the Release configuration (renamed from Deployment):

MACOSX_DEPLOYMENT_TARGET_i386 = 10.4
MACOSX_DEPLOYMENT_TARGET_ppc = 10.3
SDKROOT_i386 = /Developer/SDKs/MacOSX10.4.0.sdk
SDKROOT_ppc = /Developer/SDKs/MacOSX10.3.9.sdk

Building i386 will use 10.4, but we still want to target 10.3.9 for the ppc builds. In the General pane, I've left the cross development SDK set to the 10.3.9.sdk. This setting is overridden by the SDKROOT_* settings, correct?

When building with the Release configuration I'm getting some errors that stdarg.h and float.h can not be found. Xcode finds stdarg.h in 10.4.0.sdk/user/include, and that file contains this:

#if defined(__GNUC__)
#include_next <stdarg.h>

The error is that it can't find stdarg.h. Same for float.h. First off, what is include_next? I've never seen it before. From it's name it sounds like it tries to find the named file further up the header search paths list from where it found the current file, or something goofy like that.

So how do I fix this?

Steve Mills
Drummer, Mac geek
http://sjmills5.home.mchsi.com/


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