[llvm] r242993 - Avoid using -Wl,-z,defs on Cygwin.

[Hans Wennborg]

Merged to 3.7 in r243023.

On Thu, Jul 23, 2015 at 1:06 AM, Yaron Keren <yaron.keren at gmail.com> wrote:
> Author: yrnkrn
> Date: Thu Jul 23 03:06:12 2015
> New Revision: 242993
>
> URL: http://llvm.org/viewvc/llvm-project?rev=242993&view=rev
> Log:
> Avoid using -Wl,-z,defs on Cygwin.
>
> Prior to CMAKE 2.8.4 that was covered by the WIN32 conditional but
> from 2.8.4 CMAKE no longer defined WIN32 when running under Cygwin
> and it needs its own test.
>
> Patch by Martell Malone!
>
> http://reviews.llvm.org/D11347