From ba56c6c102bc6637c0c1d9733f1ef85d20339a39 Mon Sep 17 00:00:00 2001
From: xuxin19 <xuxin19@xiaomi.com>
Date: Mon, 4 Nov 2024 14:16:49 +0800
Subject: [PATCH] cmake(bugfix):make sure the extra_lib only added once

Signed-off-by: xuxin19 <xuxin19@xiaomi.com>
---
 cmake/nuttx_add_library.cmake | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/cmake/nuttx_add_library.cmake b/cmake/nuttx_add_library.cmake
index 8eede604ef44b..fc97281d9fff3 100644
--- a/cmake/nuttx_add_library.cmake
+++ b/cmake/nuttx_add_library.cmake
@@ -201,11 +201,13 @@ function(nuttx_add_extra_library)
     # define the target name of the extra library
     string(REGEX REPLACE "[^a-zA-Z0-9]" "_" extra_target "${extra_lib}")
     # set the absolute path of the library for the import target
-    nuttx_library_import(${extra_target} ${extra_lib})
-    set_property(GLOBAL APPEND PROPERTY NUTTX_EXTRA_LIBRARIES ${extra_target})
-    if(CONFIG_BUILD_PROTECTED)
-      set_property(GLOBAL APPEND PROPERTY NUTTX_USER_EXTRA_LIBRARIES
-                                          ${extra_target})
+    if(NOT TARGET ${extra_target})
+      nuttx_library_import(${extra_target} ${extra_lib})
+      set_property(GLOBAL APPEND PROPERTY NUTTX_EXTRA_LIBRARIES ${extra_target})
+      if(CONFIG_BUILD_PROTECTED)
+        set_property(GLOBAL APPEND PROPERTY NUTTX_USER_EXTRA_LIBRARIES
+                                            ${extra_target})
+      endif()
     endif()
   endforeach()
 endfunction()