[8u-dev] RFR: 8075400: Cannot build hotspot in jdk8u on OSX 10.10 (Yosemite)

[David DeHaven]

Fairly minor build system bug fix on Mac. In short, the -mmacosx-version-min argument is never being passed to the linker, where it's actually needed to assert the minimum OS version requirement in the final Mach-O binary. This was causing ld to fail when building on 10.10. I've no idea why it's different from 10.9 as I'm using the exact same copy of Xcode between 10.9 and 10.10 and it works fine on 10.9. I also had to modify saproc.make to pass that argument when it builds the SA debugger backend. All changes should only affect Mac, but kicking off a full JPRT test run to be sure. Webrev is against jdk8u-dev but will push through hs-dev if/when approved. This bug impacts 8u only, no backports necessary.

JBS Issue:
https://bugs.openjdk.java.net/browse/JDK-8075400

Webrev:
http://cr.openjdk.java.net/~ddehaven/8075400/hotspot.0/

-DrD-