GN: Wayland include directories

Improve support for environments without wayland in their system include
directories, by adding the vulkan_wayland_include_dir variable which can
be defined in build_overrides.

1 files changed, 3 insertions, 0 deletions

diff --git a/BUILD.gn b/BUILD.gn
index 296171d..48182b6 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -27,6 +27,9 @@ config("vulkan_headers_config") {
   }
   if (defined(vulkan_use_wayland) && vulkan_use_wayland) {
     defines += [ "VK_USE_PLATFORM_WAYLAND_KHR" ]
+    if (defined(vulkan_wayland_include_dir)) {
+      include_dirs += [ "$vulkan_wayland_include_dir" ]
+    }
   }
   if (is_android) {
     defines += [ "VK_USE_PLATFORM_ANDROID_KHR" ]