Patrick --
Although it's not cross-platform, you could get the value of 'uname
-m'. On my Gentoo P4 laptop, it's i686 whereas System.getProperty(
"os.arch" ) gives i386. Same discrepancies for an Intel EM64T -- uname
-m gives x86_64, os.arch is amd64. Then again, I'm using an IBM amd64
JVM on that machine.
My guess is the 64-bit Intel machine you're running on is using a 32-bit
JVM. So, Java will only really return the architecture of the _JVM_,
which isn't really the OS. Is a bit of a misnomer on Sun's part.
Perhaps they should've called the system property jvm.arch.
Best of luck,
Tim Meals
Applications Developer
Marion, Patrick wrote:
Problem:
have ant tell me whether I am running on a 64 bit architecture.
I thought the solution was:
check for the value of the "os.arch" property.
Unfortunately, if I can make something out of the value returned on Windows
("amd64) I can't on Linux (it returns "i386" which is identical to the one
on a 32 bit machine); solaris sparc just returns "sparc". The only os.*
properties which seem to be available to ant at start time seem to be:
"version", "name", and "arch".
Any suggestion on how to better handle this?
Thanks.
P.
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