change DAWN_BUILD_MONOLITHIC_LIBRARY from OFF/ON to OFF/STATIC/SHARED

Author: manuel5975p

CMakeLists.txt

@@ -334,11 +334,20 @@ message(STATUS "Webgpu IDL path: ${WEBGPU_IDL_PATH}")
 message(STATUS "Go exe: ${GO_EXECUTABLE}")
 message(STATUS "")
 
-option(DAWN_FETCH_DEPENDENCIES "Use fetch_dawn_dependencies.py as an alternative to using depot_tools" OFF)
-option(DAWN_BUILD_MONOLITHIC_LIBRARY "Bundle all dawn components into a single shared library." ON)
+set(DAWN_BUILD_MONOLITHIC_LIBRARY "OFF" CACHE STRING "Build monolithic library: SHARED, STATIC, or OFF.")
+
+set_property(CACHE DAWN_BUILD_MONOLITHIC_LIBRARY PROPERTY STRINGS SHARED SHARED STATIC)
+
+string(TOUPPER "${DAWN_BUILD_MONOLITHIC_LIBRARY}" _option_upper)
+
+if(NOT _option_upper STREQUAL "OFF" AND
+   NOT _option_upper STREQUAL "SHARED" AND
+   NOT _option_upper STREQUAL "STATIC")
+    message(FATAL_ERROR "DAWN_BUILD_MONOLITHIC_LIBRARY must be SHARED, STATIC, or OFF, but was \"${DAWN_BUILD_MONOLITHIC_LIBRARY}\".")
+endif()
 
-message(STATUS "Dawn fetch dependencies: ${DAWN_FETCH_DEPENDENCIES}")
 message(STATUS "Dawn build monolithic library: ${DAWN_BUILD_MONOLITHIC_LIBRARY}")
+message(STATUS "Dawn fetch dependencies: ${DAWN_FETCH_DEPENDENCIES}")
 message(STATUS "")
 
 # Much of the backend code is shared among desktop OpenGL and OpenGL ES

src/dawn/native/CMakeLists.txt

@@ -903,7 +903,7 @@ if (DAWN_BUILD_MONOLITHIC_LIBRARY)
     )
     # Bundle all objects of dawn_native, it's public dependencies and private dependencies.
     include(BundleLibraries)
-    bundle_libraries(webgpu_dawn STATIC dawn::dawn_native_objects)
+    bundle_libraries(webgpu_dawn ${DAWN_BUILD_MONOLITHIC_LIBRARY} dawn::dawn_native_objects)
     add_library(dawn::webgpu_dawn ALIAS webgpu_dawn)
     # Compile backend specific sources along with webgpu_dawn_native_proc sources for export macros to get applied.
     target_sources(webgpu_dawn