Chip Davis : build: Add support for MoltenVK.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: dc2dbffc2c567b97644850b421556d905b73dcc2
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=dc2dbffc2c567b97644850b421556d905b73dcc2

Author: Chip Davis <cdavis at codeweavers.com>
Date:   Tue Aug 21 18:08:05 2018 +0200

build: Add support for MoltenVK.

Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 configure.ac | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 90557ee..ada7e9a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -79,7 +79,10 @@ AC_CHECK_LIB([pthread], [pthread_create],
 AC_SUBST([VULKAN_LIBS])
 VKD3D_CHECK_SONAME([vulkan], [vkGetInstanceProcAddr],
                    [VULKAN_LIBS="-lvulkan"],
-                   [AC_MSG_ERROR([libvulkan not found.])])
+                   [VKD3D_CHECK_SONAME([MoltenVK], [vkGetInstanceProcAddr],
+                                       [VULKAN_LIBS="-lMoltenVK"
+                                       AC_DEFINE_UNQUOTED([SONAME_LIBVULKAN],["$ac_cv_lib_soname_MoltenVK"])],
+                                       [AC_MSG_ERROR([libvulkan and libMoltenVK not found.])])])
 
 AS_IF([test "x$with_spirv_tools" = "xyes"],
       [PKG_CHECK_MODULES([SPIRV_TOOLS], [SPIRV-Tools-shared],