On 5 Nov 2011, at 11:25, HB-GRAL wrote:
> Maybe how to set this flags for OSX should go to the readme once. I
> think some OSX users will end up with linking errors because simgear
> compiles "well" with x86_64, but then you run into a lot of problems
> trying to compile flightgear, on OSX. Btw. I tried also to set the flags
> via ccmake like I do it for OSG, but unfortunately without success.
> Sorry for my shortcomings with cmake, I am very fixated on the old build
> system probably, and now it so easy with cmake ;-)
Setting the compile flags is fine, but there's a much better way, that CMake
'understands':
-DCMAKE_OSX_ARCHITECTURES=i386
This is a proper CMake list, so you can (and I do, often):
-DCMAKE_OSX_ARCHITECTURES="i386;x86_64"
(quotes needed for bash)
This will then produce fat builds automatically. If you build OSG with correct
options, 'ppc' and 'ppc64' are also possible - of course assuming your PLIB,
ALUT and so on are also built with suitable options!
There are other 'core' CMake variables to set the OS-X SDK version and
deployment target too, if you ever need those (sometimes I do)
James
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