cmake: Fix warning if a Zephyr library is created in app-mode
zephyr_append_cmake_library attempts to warn the user if a user calls it to create a Zephyr library while the build is in application mode. At that stage of the build, the list of Zephyr libraries has already been processed so the function is effectively a no-op. This heuristic used to determine if the build was in kernel mode or application mode checked for the presence of the zephyr_prebuilt target. This check was broken by a previous commit that renamed this target. This commit fixes the heuristic by checking for the zephyr_pre0 target. This was tested by calling zephyr_append_cmake_library from some application build files, building the application, and seeing the warning only for the call I added. No warnings were printed for any Zephyr internal libraries. Link: https://github.com/zephyrproject-rtos/zephyr/pull/35887 Link: https://github.com/zephyrproject-rtos/zephyr/pull/39959 Signed-off-by: Kesavan Yogeswaran <hikes@google.com>
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@ -585,7 +585,7 @@ endfunction()
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# constructor but must be called explicitly on CMake libraries that do
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# not use a zephyr library constructor.
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function(zephyr_append_cmake_library library)
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if(TARGET zephyr_prebuilt)
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if(TARGET zephyr_pre0)
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message(WARNING
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"zephyr_library() or zephyr_library_named() called in Zephyr CMake "
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"application mode. `${library}` will not be treated as a Zephyr library."
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