cmake(bugfix):fix NuttX CMake Wasm build multi dirs cannot be identified

System is unknown to cmake, create:
Platform/WASI to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
Your CMakeCache.txt file was copied to CopyOfCMakeCache.txt. Please post that file on discourse.cmake.org.
CMake Error at CMakeLists.txt:100 (add_subdirectory):
  add_subdirectory given source
  /home/data/vela/tmp/apps/frameworks/security/ta/hello_world
  /home/data/vela/tmp/apps/frameworks/security/ta/" which is not an
  existing directory.

Signed-off-by: xuxin19 <xuxin19@xiaomi.com>

tools/CMakeLists.txt

@@ -50,7 +50,7 @@ if(CONFIG_TOOLS_WASM_BUILD OR CONFIG_INTERPRETERS_WAMR_BUILD_MODULES_FOR_NUTTX)
       ${CMAKE_COMMAND} -B${CMAKE_BINARY_DIR}/Wasm
       ${CMAKE_CURRENT_SOURCE_DIR}/Wasm -DAPPDIR=${APPDIR} -DTOPDIR=${TOPDIR}
       -DTOPBINDIR=${CMAKE_BINARY_DIR} -DKCONFIG_FILE_PATH=${KCONFIG_FILE_PATH}
-      -DWASI_SDK_PATH=$ENV{WASI_SDK_PATH} -DWASM_DIRS=${WASM_DIRS})
+      -DWASI_SDK_PATH=$ENV{WASI_SDK_PATH} -DWASM_DIRS="${WASM_DIRS}")
 
   add_custom_target(wasm_build COMMAND ${CMAKE_COMMAND} --build
                                        ${CMAKE_BINARY_DIR}/Wasm)

tools/Wasm/CMakeLists.txt

@@ -95,6 +95,8 @@ function(nuttx_add_library)
 
 endfunction()
 
+separate_arguments(WASM_DIRS)
+
 # ~~~
 # Add all the Wasm apps to the build process.
 foreach(WASM_APP ${WASM_DIRS})

tools/Wasm/WASI-SDK.cmake

@@ -378,6 +378,13 @@ function(wasm_add_library)
     message(FATAL_ERROR "NAME is not provided.")
   endif()
 
+  # Check if the LIB_NAME (NAME) is already declared If it is, then skip the
+  # rest of the function
+  if(TARGET ${LIB_NAME})
+    message(STATUS "Target ${LIB_NAME} already declared.")
+    return()
+  endif()
+
   # Check if the LIB_SRCS (SRCS) is provided
   if(NOT LIB_SRCS)
     message(FATAL_ERROR "SRCS is not provided.")