[llvm] r307852 - [Solaris] Detect Solaris LD, use detection results to pass Solaris-ld options

[Ed Maste via llvm-commits]

> On Tue, Sep 5, 2017 at 10:21 AM, Davide Italiano <davide at freebsd.org> wrote:
>> Picking a random Solaris commit.
>> I'd like to bring this up sooner rather than later.
>> It seems there's been a decent amount of interest/support to make
>> clang working on Solaris.
>> It's also not a mystery anymore that Solaris has been discontinued
>> and, as it stands, the LLVM/clang support for the OS is not completed.
>> I'm not entirely sure what are the plans, but in case nobody is
>> interested, I'd rather avoid the maintenance burden and remove the
>> support from the tree as it happened in similar circumstances (see
>> e.g. https://reviews.llvm.org/D35707).

Even though it very much appears that Oracle Solaris has no future
based on recent events, Illumos and derivatives are still alive and
there's some Clang interest in those communities, so I think it's
premature to start actively removing support. It's definitely worth
discussing though and hearing from those who do have an interest.