toku-mac commented on PR #18886:
URL: https://github.com/apache/nuttx/pull/18886#issuecomment-4467648392
Hello. Regarding `arch/sim/src/sim/CMakeLists.txt`.
```
add_custom_command(
TARGET nuttx
POST_BUILD
COMMAND
${Python3_EXECUTABLE}
${CMAKE_CURRENT_SOURCE_DIR}/../patch_macho_initsection.py
$<TARGET_FILE:nuttx>
COMMENT "Patching Mach-O init section type flags")
endif()
```
`add_custom_command(TARGET ...)` can only be used in the directory where the
target was created.
Since the `nuttx` executable is created in the top-level CMakeLists.txt,
attaching a POST_BUILD command to it from here would not work.
Please use a custom target hooked into `nuttx_post` instead.
```
add_custom_target(
sim_patch_macho_initsection ALL
COMMAND
${Python3_EXECUTABLE}
${CMAKE_CURRENT_SOURCE_DIR}/../patch_macho_initsection.py
$<TARGET_FILE:nuttx>
DEPENDS nuttx
COMMENT "Patching Mach-O init section type flags")
add_dependencies(nuttx_post sim_patch_macho_initsection)
endif()
```
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