[Openmcl-devel] Universal binaries? Closed source applications?
gb at clozure.com
Sat Jul 24 10:51:34 UTC 2010
On Sat, 24 Jul 2010, Paul Onions wrote:
> On 24 Jul 2010, at 01:08, Gary Byers wrote:
>> The issue that I've always gotten stuck on has to do with how a universal
>> kernel finds an architecture-specific heap image. If no command-line
>> override this behavior. the kernel looks for a file whose name matches its
>> with the string ".image" appended, and it had always seemed that that meant
>> that we'd need some sort of support for fat heap image files.
> Okay, but this raises a couple more questions in my mind, the first being how
> do we create a universal kernel?
Apple offers a tool called 'lipo' that can create and manipulate universal
[src/ccl-dev] gb at antinomial> lipo dx86cl dppccl -create -output fatccl
[src/ccl-dev] gb at antinomial> file fatccl
fatccl: Mach-O universal binary with 2 architectures
fatccl (for architecture i386): Mach-O executable i386
fatccl (for architecture ppc7400): Mach-O executable ppc
[src/ccl-dev] gb at antinomial>
> The second question is, do we need access to
> both Intel and PPC Macs to create the architecture-specific image files?
I don't know of any other way to do that.
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