Ken Thomases : configure: Fix building of the preloader on the Mac using Xcode 10 or later.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0185ee5d99e8dca2c69d61ba0c0e00256beaf1b5
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=0185ee5d99e8dca2c69d61ba0...

Author: Ken Thomases <ken(a)codeweavers.com>
Date:   Fri Dec  7 15:11:07 2018 -0600

configure: Fix building of the preloader on the Mac using Xcode 10 or later.

The linker that comes with Xcode 10 requires that libSystem be linked for
dynamic executables (those using dyld) unless -mmacosx-version-min=10.7 (or
earlier) is used.

Signed-off-by: Ken Thomases <ken(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 configure    | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 configure.ac |  30 ++++++++------
 2 files changed, 135 insertions(+), 20 deletions(-)

Diff:   https://source.winehq.org/git/wine.git/?a=commitdiff;h=0185ee5d99e8dca2c69d6...