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I think >> this is a long-standing bug that has not been fixed yet. >> >> I'd consider this a blocker for the release, as builds shouldn't fail. > > Generally speaking, I tend to agree, but at the same time, it really > depends. > > Is this specific to GDB 12, or did we have this issue with previous > releases? This has been introduced in GDB 12 development as far as I remember. It is similar/related to the following: https://sourceware.org/pipermail/binutils/2021-November/118485.html Also discussed slightly in https://sourceware.org/bugzilla/show_bug.cgi?id=28684. I reported it back then: https://sourceware.org/pipermail/binutils/2021-November/118554.html. It might be an easy configure adjustment, but I'm not familiar with bpf. I know Jose Marchesi did work on bpf, but I'm not sure if he is the right PoC. > > We also need some kind of visibility as to how quickly we think we can > solve that issue. This usually requires someone to act as the issue's > "champion" -- that person might not be the one actually making the fix, > but they can at least try help expedite the process. Agreed. I just want to make sure this has visibility so we can try to fix it before release. > >> I get the following: >> >> binutils-gdb-armhf-bionic/sim/bpf/../../../../repos/binutils-gdb/sim/bpf/../common/sim-close.c:43: >> undefined reference to `bpf_cgen_cpu_close' >> >> binutils-gdb-armhf-bionic/sim/bpf/../../../../repos/binutils-gdb/sim/bpf/sim-if.c:166: >> undefined reference to `bpf_cgen_cpu_open_1' >> >> binutils-gdb-armhf-bionic/sim/bpf/../../../../repos/binutils-gdb/sim/bpf/sim-if.c:179: >> undefined reference to `bpf_cgen_init_dis' >> >> This is GCC 7.5.0 on Ubuntu 18.04. >> >> Should I go ahead and open a ticket against the release? I'm not sure who is >> responsible for handling BPF. > > I'd start by asking Mike Frysinger, who's the sim maintainer. > He might not know about this particular target, but he's made > a lot of cleanups in this area. > > In this case, hopefully the fix won't be too difficult. > cc-ed both Mike and Jose Marchesi. Thanks, Luis