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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Could this patch be backported to LTS branches? Entire build fails if KBUILD_HOSTCFLAGS has flags that would make the libsubcmd incompatible with the built objtool, since those flags were not passed to libsubcmd before this patch. One example is that the AOSP GKI builds fail since they set a custom sysroot using that variable. For the Google devs, issue b/335829879 is relevant.