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new f7c65c6205b cmake: reconfigure when .config changes
f7c65c6205b is described below
commit f7c65c6205b159b1b4ef1d82e33e841bd27281cf
Author: Zhaoqi Xu <[email protected]>
AuthorDate: Tue Sep 8 08:39:55 2026 +0800
cmake: reconfigure when .config changes
config.h and CONFIG_* are produced at configure time. kconfig-tweak
edits .config without going through the menuconfig target, so Ninja
left a stale header. Watch .config with CMAKE_CONFIGURE_DEPENDS.
Fixes apache/nuttx#12322
Signed-off-by: Zhaoqi Xu <[email protected]>
---
CMakeLists.txt | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d058637a92b..16f2720b991 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -413,6 +413,15 @@ if(NOT EXISTS ${NUTTX_BINARY_DIR}/.config OR NOT
"${NUTTX_DEFCONFIG}" STREQUAL
message(STATUS " Appdir: ${NUTTX_APPS_DIR}")
endif()
+# config.h and CONFIG_* are generated at configure time. Watch .config so an
+# out-of-band edit (kconfig-tweak) reruns CMake instead of leaving a stale
+# header. .config is only rewritten when missing or the defconfig path changes,
+# so this does not loop.
+set_property(
+ DIRECTORY
+ APPEND
+ PROPERTY CMAKE_CONFIGURE_DEPENDS ${NUTTX_BINARY_DIR}/.config)
+
# declare global custom targets at very beginning `nuttx_global` is used to
hold
# global target properties to solve that cmake GLOBAL property can not use
# generator expression this is needed to make sure added before project()
create
