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Re: universal binaries
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From: |
Markus Hitter |
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Subject: |
Re: universal binaries |
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Date: |
Sun, 16 Sep 2007 21:30:28 +0200 |
Am 16.09.2007 um 16:35 schrieb Frederico Muñoz:
One possible way would be to use the CPU
subtype flag to indicate a CPU+OS pair
Once I step slightly away from the name "cputype" and start to think
about "architecturetype" or "platformtype" I can't see a kludge here.
Subtype (probably, I'd have to check) works slightly differently as a
G4 CPU can run G3 binaries but not vice-versa.
(I'm not even considering different libc)
Libraries use the same mechanism, so your libc has to contain a
cputype/architecturetype/platformtype matching your actual hardware.
In the end I'm not sure that MAB's are worth the trouble given all
this if
one takes out the "coolness " factor (i.e. the exact some app running
on OSX and GNUstep), which is perhaps somethings that appeals on a
more emotional level than purely practical.
You need kernel support ... if you have this kernel support, FAT
binaries are not limited to Cocoa/GNUstep but would work for all
types of executables.
Markus
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Dipl. Ing. Markus Hitter
http://www.jump-ing.de/