Re: Swarm on Mac OSX 10.2.2?

[Bill Northcott]

Brad Cox wrote
> As I read your note, the goal is to adopt the GNU version for speed
> while retaining compatibility with any swarm-specific differences, of
> which I saw nothing obvious in this quick scan. I gather the
> divergence is solely between GNU/Cygnus and Swarm, not Apple? You
> mentioned java compatibility somewhere but I saw no traces of this.

Apple's runtime is completely different.  If you want to see the source, 
check out the objc4 project from the Darwin opensource CVS.  Much of it is 
in assembler code.  That only exsts for PPC and x86.
The gcc compiler has a pair of flags '-fgnu-runtime' and '-fnext-runtime' 
which control which style of C calls to the runtime library are generated 
when compiling Objective-C.  Apple builds of gcc obviously default to 
their version while other builds default to gnu.  The -fgnu-runtime flag 
wuld be necessary to build Swarm on Darwin/MacOS X.

Bill Northcott

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