fixup: Make sure that our own Vulkan headers are always picked up before system ones

laanwj · laanwj · commit fe75e5f489a1 · 2026-03-04T21:48:52.000+01:00
diff --git a/lib/vulkan-headers/CMakeLists.txt b/lib/vulkan-headers/CMakeLists.txt
@@ -1,4 +1,7 @@
 add_library(VulkanHeaders INTERFACE)
-target_include_directories(VulkanHeaders SYSTEM INTERFACE
+# Non-SYSTEM so the bundled headers use -I (not -isystem).  This guarantees
+# they are found before any system-installed Vulkan headers that other
+# dependencies (e.g. OpenXR) may pull in via find_package(Vulkan).
+target_include_directories(VulkanHeaders INTERFACE
     "${CMAKE_CURRENT_SOURCE_DIR}/include"
 )

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,7 @@`
`1`	`1`	`add_library(VulkanHeaders INTERFACE)`
`2`		`-target_include_directories(VulkanHeaders SYSTEM INTERFACE`
	`2`	`+# Non-SYSTEM so the bundled headers use -I (not -isystem). This guarantees`
	`3`	`+# they are found before any system-installed Vulkan headers that other`
	`4`	`+# dependencies (e.g. OpenXR) may pull in via find_package(Vulkan).`
	`5`	`+target_include_directories(VulkanHeaders INTERFACE`
`3`	`6`	`"${CMAKE_CURRENT_SOURCE_DIR}/include"`
`4`	`7`	`)`