Address review comments

Author: huydhn

build/executorch-config.cmake

@@ -53,14 +53,11 @@ foreach(lib ${lib_list})
         message("${lib} library is not found.
             If needed rebuild with the proper options in CMakeLists.txt")
     else()
-        if("${lib}" STREQUAL "extension_module")
-            if(CMAKE_TOOLCHAIN_IOS)
-                # Building a share library on iOS requires code signing
-                add_library(${lib} STATIC IMPORTED)
-            else()
-                add_library(${lib} SHARED IMPORTED)
-            endif()
+        if("${lib}" STREQUAL "extension_module" AND (NOT CMAKE_TOOLCHAIN_IOS))
+            add_library(${lib} SHARED IMPORTED)
         else()
+            # Building a share library on iOS requires code signing, so it's easier
+            # to keep all libs as static when CMAKE_TOOLCHAIN_IOS is used
             add_library(${lib} STATIC IMPORTED)
         endif()
         set_target_properties(