Change model detection on Solaris.

[redstar]

Uses the same command as in druntime makefile.

[quickfur]

I'm no Solaris expert, but shouldn't it be isainfo -b to determine 32- vs. 64-bit platforms? AFAICT from online docs, isainfo -n only tells you the native instruction set, and the makefile doesn't seem to know how to parse that properly.

[redstar]

I'm no Solaris expert, too. isainfo -b returns 64, isainfo -n returns amd64. This is correctly parsed in line 61:

ifneq (,$(findstring $(uname_M),x86_64 amd64))

(I really copied it from the druntime makefile. I did not invent something new. And it works on my OpenIndiana VM.)

[quickfur]

Fair enough to me. :-)

[quickfur]

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