Sean will chime in pretty quick but basically since CMake uses
compilations to test things like endian then you run the risk of
creating binaries that will not work. At the moment I build each type
(PPC or Intel) on their respective machines then lipo them together
on one of the machines. This is very labor intensive to do it this
way but seems to be the only way to get the binaries to work right.
Sean may have more..
--
Mike Jackson Senior Research Engineer
Innovative Management & Technology Services
On Jan 30, 2007, at 2:04 PM, Dan White wrote:
Hi Sean,
we just got a new macbookpro with the core duo2 64 bit chip.
we also haver access to a G5
so i wanted to ask you how you have been getting on with building
universal binaires -arch ppc;i386
and also very fat binaries -arch ppc;ppc64;i386;x86_64
for VTK, CMake etc (we are also building ITK)
Previously i thought there was a problem in CMake that prevented
the proper generation of universal binaries ppc;i386
because it made the assumption that the build arch was the same as
the arch for execution of the binaries generated.
So a PPC could make i386 binaries, but they wouldn't run properly?
I might have misunderstood the situation...?
Is this, or was it ever an issue?
Can we just use
CMAKE_OSX_ARCHITECTURES ppc;ppc64;i386;x86_64
or do we have to set the -arch ppc;ppc64;i386;x86_64
in the CFLAGS and CXXFLAGS and linker flags?
any info on the current state of affairs and how to do this the
right way would be very welcome!
cheers
Dan and the BioImageXD team
Dr. Daniel James White BSc. (Hons.) PhD
Bioimaging Coordinator
Nanoscience Centre and Department of Biological and Environmental
Sciences
Division of Molecular Recognition
Ambiotica C242
PO Box 35
University of Jyväskylä
Jyväskylä
FIN 40014
Finland
+358 14 260 4183 (work)
+358 468102840 (mobile)
http://www.bioimagexd.net
http://www.chalkie.org.uk
[EMAIL PROTECTED]
[EMAIL PROTECTED]
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