Use dawn_add_library function to create the dawncpp_headers library

Change-Id: I302dc58bf3749ab4fe600562d17b833168092c86
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/194915
Auto-Submit: Jaswant Panchumarti <jaswant.panchumarti@kitware.com>
Commit-Queue: Jaswant Panchumarti <jaswant.panchumarti@kitware.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/dawn/CMakeLists.txt

diff --git a/src/dawn/CMakeLists.txt b/src/dawn/CMakeLists.txt
index 068a675..166afab 100644
--- a/src/dawn/CMakeLists.txt
+++ b/src/dawn/CMakeLists.txt
@@ -80,14 +80,17 @@
     PRINT_NAME "Dawn C++ headers"
     OUTPUT_HEADERS DAWNCPP_HEADERS_GEN_HEADERS
 )
-
-add_library(dawncpp_headers INTERFACE)
-target_sources(dawncpp_headers PUBLIC
-    "${DAWN_INCLUDE_DIR}/webgpu/webgpu_cpp.h"
-    "${DAWN_INCLUDE_DIR}/webgpu/webgpu_enum_class_bitmasks.h"
-    ${DAWNCPP_HEADERS_GEN_HEADERS}
+dawn_add_library(
+    dawncpp_headers
+    HEADER_ONLY
+    UTILITY_TARGET dawn_internal_config
+    HEADERS
+        "${DAWN_INCLUDE_DIR}/webgpu/webgpu_cpp.h"
+        "${DAWN_INCLUDE_DIR}/webgpu/webgpu_enum_class_bitmasks.h"
+        ${DAWNCPP_HEADERS_GEN_HEADERS}
+    DEPENDS
+        dawn::dawn_headers
 )
-target_link_libraries(dawncpp_headers INTERFACE dawn_headers)
 install_if_enabled(dawncpp_headers)
 
 add_library(dawncpp ALIAS dawncpp_headers)