According to https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html you should add another objcopy command objcopy --add-gnu-debuglink=foo.debug foo for debuglink method. While it also says some versions of strip command also can do this part automatically I think we can try first method just for seeing now it works (I suspect fedora debug packages not showing all info actually related to this missing command). build-tested on termux only.