[PATCH vkd3d 3/3] build: Move Vulkan library detection to m4/check-vulkan.m4.

[Matteo Bruni]

Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
---
 configure.ac       | 14 +-------------
 m4/check-vulkan.m4 | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 13 deletions(-)
 create mode 100644 m4/check-vulkan.m4

diff --git a/configure.ac b/configure.ac
index 3ad4bbc..275bca2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -106,19 +106,7 @@ AC_ARG_VAR([PTHREAD_LIBS], [linker flags for pthreads])
 VKD3D_CHECK_PTHREAD
 
 AC_ARG_VAR([VULKAN_LIBS], [linker flags for the Vulkan library])
-VKD3D_CHECK_SONAME([vulkan], [vkGetInstanceProcAddr],
-                   [VULKAN_LIBS="-lvulkan"],
-                   [VKD3D_CHECK_SONAME([vulkan-1], [vkGetInstanceProcAddr],
-                                       [VULKAN_LIBS="-lvulkan-1"
-                                        AC_DEFINE_UNQUOTED([SONAME_LIBVULKAN], ["$ac_cv_lib_soname_vulkan_1"])],
-                                       [VKD3D_CHECK_SONAME([MoltenVK], [vkGetInstanceProcAddr],
-                                                           [VULKAN_LIBS="-lMoltenVK"
-                                                            AC_DEFINE_UNQUOTED([SONAME_LIBVULKAN],
-                                                                               ["$ac_cv_lib_soname_MoltenVK"])],
-                                                           [AC_MSG_ERROR([libvulkan and libMoltenVK not found.])],
-                                                           [$VULKAN_LIBS])],
-                                       [$VULKAN_LIBS])],
-                   [$VULKAN_LIBS])
+VKD3D_CHECK_VULKAN
 
 AS_IF([test "x$with_ncurses" != "xno"],
       [PKG_CHECK_MODULES([NCURSES], [ncurses],
diff --git a/m4/check-vulkan.m4 b/m4/check-vulkan.m4
new file mode 100644
index 0000000..ed1229c
--- /dev/null
+++ b/m4/check-vulkan.m4
@@ -0,0 +1,16 @@
+dnl VKD3D_CHECK_VULKAN
+AC_DEFUN([VKD3D_CHECK_VULKAN],[
+VKD3D_CHECK_SONAME([vulkan], [vkGetInstanceProcAddr],
+                   [VULKAN_LIBS="-lvulkan"],
+                   [VKD3D_CHECK_SONAME([vulkan-1], [vkGetInstanceProcAddr],
+                                       [VULKAN_LIBS="-lvulkan-1"
+                                        AC_DEFINE_UNQUOTED([SONAME_LIBVULKAN], ["$ac_cv_lib_soname_vulkan_1"])],
+                                       [VKD3D_CHECK_SONAME([MoltenVK], [vkGetInstanceProcAddr],
+                                                           [VULKAN_LIBS="-lMoltenVK"
+                                                            AC_DEFINE_UNQUOTED([SONAME_LIBVULKAN],
+                                                                               ["$ac_cv_lib_soname_MoltenVK"])],
+                                                           [AC_MSG_ERROR([libvulkan and libMoltenVK not found.])],
+                                                           [$VULKAN_LIBS])],
+                                       [$VULKAN_LIBS])],
+                   [$VULKAN_LIBS])
+])
-- 
2.26.2