From 8da56b4347a2e54e788c8895dc66d4e9aa9fa159 Mon Sep 17 00:00:00 2001
From: Zhaoqi Xu <lzy00419@outlook.com>
Date: Mon, 31 Aug 2026 16:23:10 +0800
Subject: [PATCH] cmake: parse EXTRAFLAGS with separate_arguments.

string(REPLACE) splits on every space, so a flag such as
-I"/path with spaces" becomes several bogus compile options.
Use separate_arguments(UNIX_COMMAND), matching EXTRA_FLAGS.

Signed-off-by: Zhaoqi Xu <lzy00419@outlook.com>
---
 cmake/nuttx_add_library.cmake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmake/nuttx_add_library.cmake b/cmake/nuttx_add_library.cmake
index d773375fb7dba..dc10bfb58156e 100644
--- a/cmake/nuttx_add_library.cmake
+++ b/cmake/nuttx_add_library.cmake
@@ -55,8 +55,8 @@ function(nuttx_add_library_internal target)
   # add extra flags into command line
 
   if(DEFINED EXTRAFLAGS)
-    string(REPLACE " " ";" eflags "${EXTRAFLAGS}")
-    target_compile_options(${target} PRIVATE ${eflags})
+    separate_arguments(EXTRAFLAGS_LIST UNIX_COMMAND "${EXTRAFLAGS}")
+    target_compile_options(${target} PRIVATE ${EXTRAFLAGS_LIST})
   endif()
 
   # Set install config for all library