[commit: ghc] master: configure: Accept *-msys as a Windows OS in a triple (7109fa8)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/7109fa8157f3258912c947f28dab7617b5e5d281/ghc

>---------------------------------------------------------------

commit 7109fa8157f3258912c947f28dab7617b5e5d281
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Wed Oct 4 08:37:26 2017 -0400

    configure: Accept *-msys as a Windows OS in a triple


>---------------------------------------------------------------

7109fa8157f3258912c947f28dab7617b5e5d281
 aclocal.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aclocal.m4 b/aclocal.m4
index b34f898..7e1e3e1 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1899,7 +1899,7 @@ AC_DEFUN([GHC_LLVM_TARGET], [
       llvm_target_vendor="unknown"
       llvm_target_os="$3""hf"
       ;;
-    *-mingw32|*-mingw64)
+    *-mingw32|*-mingw64|*-msys)
       llvm_target_vendor="unknown"
       llvm_target_os="windows"
       ;;