Update on "Introduce public MergedDataMap"

Add public merged data map. Module can use this to resolve multiple named data maps.

Differential Revision: [D83527299](https://our.internmc.facebook.com/intern/diff/D83527299/)

[ghstack-poisoned]

Author: lucylq

extension/named_data_map/CMakeLists.txt

@@ -16,7 +16,7 @@ if(NOT EXECUTORCH_ROOT)
   set(EXECUTORCH_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../..)
 endif()
 
-
+list(TRANSFORM _extension_named_data_map__srcs PREPEND "${EXECUTORCH_ROOT}/")
 # Create the library
 add_library(extension_named_data_map ${_extension_named_data_map__srcs})
 

extension/named_data_map/test/CMakeLists.txt

@@ -58,6 +58,6 @@ et_cxx_test(
 )
 
 add_dependencies(
-  extension_named_data_map_tensor_test extension_named_data_map extension_named_data_map_test_resources
+  extension_named_data_map_test extension_named_data_map extension_named_data_map_test_resources
 )
 set_property(TEST extension_named_data_map_test PROPERTY ENVIRONMENT ${test_env})

test/run_oss_cpp_tests.sh

@@ -41,6 +41,7 @@ build_executorch() {
     -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \
     -DEXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR=ON \
     -DEXECUTORCH_BUILD_EXTENSION_MODULE=ON \
+    -DEXECUTORCH_BUILD_EXTENSION_NAMED_DATA_MAP=ON \
     -DEXECUTORCH_BUILD_EXTENSION_LLM=ON \
     -DEXECUTORCH_BUILD_EXTENSION_LLM_RUNNER=ON \
     -DEXECUTORCH_BUILD_EXTENSION_RUNNER_UTIL=ON \

tools/cmake/preset/default.cmake

@@ -86,6 +86,9 @@ define_overridable_option(
 define_overridable_option(
   EXECUTORCH_BUILD_EXTENSION_MODULE "Build the Module extension" BOOL OFF
 )
+define_overridable_option(
+  EXECUTORCH_BUILD_EXTENSION_NAMED_DATA_MAP "Build the Named Data Map extension" BOOL OFF
+)
 define_overridable_option(
   EXECUTORCH_BUILD_EXTENSION_TENSOR "Build the Tensor extension" BOOL OFF
 )