Solaris 10 x86 - 32/64 bit question

Question

I have a Sun X4500 running Solaris 10 x86. I am having problems installing a third party application because the vendor says their application only runs on the 64 bit platform. They say their application installer runs "uname -a" to determine the platform and our output says we are running 32 bit only. The application vendor went on the say that uname should indicate something like x86_64 or i386_64 to indicate that 64 bit support was installed. Our uname output is as follows:
# uname -a
SunOS storage1 5.10 Generic_125101-09 i86pc i386 i86pc
The person who installed this server says he installed the 64 bit. I ran isainfo -v and got the following result which shows 64 bit was included at install.
# isainfo -v
64-bit amd64 applications
sse3 sse2 sse fxsr amd_3dnowx amd_3dnow amd_mmx mmx cmov amd_sysc cx8
tsc fpu
32-bit i386 applications
sse3 sse2 sse fxsr amd_3dnowx amd_3dnow amd_mmx mmx cmov amd_sysc cx8
tsc fpu
So my questions are: 1) Why doesn't uname indicate that 64 bit support was installed? and 2) What can I do after the fact to make uname indicate that 64 bit support really is installed so that I can get this application installed.

Answer 1

Your uname output is already correct.
You have Solaris on x86 architecture.
That is all it will ever describe, no more and no less.
Your isainfo output is correct.
It confirms you are in an environment that can function on 32-bit and 64-bit "stuff" as needed.
Your application vendor needs to re-think how their application confirms the environment and not just the underlying architecture.
Perhaps they should not use uname
but rather should parse from the more complex isainfo output.