From 7a8ce88ed48e317772c25deea995b73f776db91e Mon Sep 17 00:00:00 2001
From: Junbo Zheng <zhengjunbo1@xiaomi.com>
Date: Sat, 12 Sep 2026 11:36:33 +0800
Subject: [PATCH] cmake: fix missing '$' in luamod dir existence guard

The guard tested the literal string "{LUAMOD_DIR}" instead of the
expanded path, so it never short-circuited and file(MAKE_DIRECTORY)
ran on every configure. Add the missing '$' so the guard checks the
intended path.

Assisted-by: Claude Code (glm-5.3) <claude@anthropic.com>
Signed-off-by: Junbo Zheng <zhengjunbo1@xiaomi.com>
---
 cmake/nuttx_add_luamod.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/nuttx_add_luamod.cmake b/cmake/nuttx_add_luamod.cmake
index e40e29d1d..e0daa90b4 100644
--- a/cmake/nuttx_add_luamod.cmake
+++ b/cmake/nuttx_add_luamod.cmake
@@ -22,7 +22,7 @@
 
 set(LUAMOD_DIR ${NUTTX_BINARY_DIR}/luamod)
 
-if(NOT EXISTS {LUAMOD_DIR})
+if(NOT EXISTS ${LUAMOD_DIR})
   file(MAKE_DIRECTORY ${LUAMOD_DIR})
 endif()