Re: Commit r28657

[Wolfgang Lux]

Am 22.09.2009 um 14:21 schrieb David Chisnall:

> On 22 Sep 2009, at 11:44, Wolfgang Lux wrote:
>
> > Unfortunately, this breaks compilation for everyone who is using the
> > old runtime or gcc's libobjc directly (at least up to gcc 4.3)  
> > because
> > the file objc/runtime.h is not present. Could you please add an  
> > autoconf
> > test to include objc/runtime.h only conditionally or avoid  
> > including the
> > header altogether.
>
> This seems odd to me.  Every version of GCC's libobjc I have seen  
> (versions 1.6 to 3) has included an objc/runtime.h file.  Looking  
> at the file in GCC's svn[1], it has a copyright date of 1993, so  
> it's been around for a while.  What platform are you using?  Does  
> it have the other objc headers installed?  Presumably it is finding  
> objc/objc.h and objc/objc-api.h, or other parts of GNUstep would  
> not be compiling correctly...

I first noticed this issue after an svn up on my old PowerBook  
running OS X
where I compile GNUstep with Apple's gcc 4 and use the old Objective  
C runtime
from GNUstep svn. There is indeed a file objc/runtime.h, but it  
doesn't get
installed. I've then checked both gcc 4.1 and gcc 4.3 built with  
MacPorts on
OS X, also NetBSD 4.0 and 5.0, SuSE Linux 11.1, also my (a bit dated)  
GNUstep
MinGW installation. For all of them the respective objc directory  
looks as
follows:

NXConstStr.h    encoding.h      objc-decls.h    sarray.h
Object.h        hash.h          objc-list.h     thr.h
Protocol.h      objc-api.h      objc.h          typedstream.h

Only my FreeBSD 7.2 installation does have a runtime.h.

Wolfgang