Fix GN build

Vulkan-Headers uses a new build_override include to toggle x11 support

diff --git a/build-gn/secondary/build_overrides/vulkan_headers.gni b/build-gn/secondary/build_overrides/vulkan_headers.gni
new file mode 100644 (file)
index 0000000..0cd8307
--- /dev/null
+++ b/build-gn/secondary/build_overrides/vulkan_headers.gni
@@ -0,0 +1,15 @@
+# Copyright (c) 2020 LunarG, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+vulkan_use_x11 = true