Don't default to using N32_M3 as the ABI for all platforms.  Make it the default only when compiling for SGIs.  This should make porting this script to other platforms easier.
Don't default to using N32_M3 as the ABI for all platforms.  Make it the
default only when compiling for SGIs.  This should make porting this
script to other platforms easier.


git-svn-id: 769d22dfa2d22aad706b9a451492fb87c0735f19@1247 08b38cba-cd3b-11de-854e-f91c5b6e4272

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