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I'm trying to use file(GET_RUNTIME_DEPENDENCIES) to collect the list of all dependencies of an executable. This generally works well on Linux and Windows, but I have some problems on macOS. Some of the libraries are referenced using @rpath. For some reason, they can not be resolved. I read in the docs of https://cmake.org/cmake/help/latest/command/file.html#get-runtime-dependencies:

On Apple platforms, library resolution works as follows:
[...]
4. Otherwise, if the dependency starts with @rpath/, and replacing @rpath/ with one of the RPATH entries of the depending file yields an existing file, the dependency is resolved to that file. Note that RPATH entries that start with @executable_path/ or @loader_path/ also have these items replaced with the appropriate path.

I'm not sure why this does not work for me. Reading the source code of cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool.cxx also did not make it more obvious. Here is what I could find:

One unresolved library is @rpath/libbz2.1.0.8.dylib. The only such reference comes from libfreetype.6.17.4.dylib. The dependencies shown from otool -L are:

/System/Volumes/Data/data/Debug/lib/libfreetype.6.17.4.dylib:
        @rpath/libfreetype.6.dylib (compatibility version 6.0.0, current version 6.17.4)
        @rpath/libz.1.dylib (compatibility version 1.0.0, current version 1.2.11)
        @rpath/libbz2.1.0.8.dylib (compatibility version 1.0.8, current version 1.0.8)
        @rpath/libpng16.16.dylib (compatibility version 16.0.0, current version 16.37.0)
        /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1292.60.1)

I can see that libbz2.1.0.8.dylib exists in the same directory /System/Volumes/Data/data/Debug/lib/ as libfreetype.6.17.4.dylib. Is there something wrong on my side so that file(GET_RUNTIME_DEPENDENCIES) does not resolve it?