leisiji opened a new pull request, #19043:
URL: https://github.com/apache/nuttx/pull/19043
## Summary
* In SPLIT build mode, compile options (-fno-builtin, NO_LTO) were applied
to the mm target (system library) instead of the kmm target (kernel library),
causing kasan hook.c to be compiled without the intended flags.
* nuttx_add_kernel_library(mm SPLIT) creates two targets: mm and kmm.
target_compile_options(mm ...) only affects the system library, not the kernel
library where kasan code resides.
* Changed target_compile_options(mm ...) to target_compile_options(kmm
...) in mm/kasan/CMakeLists.txt so FLAGS are correctly applied to the kernel
target.
## Impact
* Is new feature added? Is existing feature changed? NO.
* Impact on user (will user need to adapt to change)? NO.
* Impact on build (will build process change)? NO.
* Impact on hardware (will arch(s) / board(s) / driver(s) change)? NO.
* Impact on documentation (is update required / provided)? NO.
* Impact on security (any sort of implications)? NO.
* Impact on compatibility (backward/forward/interoperability)? NO.
## Testing
* Build Host: Linux, x86_64, GCC
* Target: arm/qemu/qemu-armv7a:knsh
## PR verification Self-Check
* [x] This PR introduces only one functional change.
* [x] I have updated all required description fields above.
* [x] My PR adheres to Contributing Guidelines and Documentation.
* [ ] My PR is still work in progress (not ready for review).
* [x] My PR is ready for review and can be safely merged into a codebase.
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