On Tue, Sep 06, 2022 at 10:47:44AM +0100, Sudip Mukherjee wrote: > Hi Dom, > > On Sun, Sep 4, 2022 at 5:54 PM Domenico Andreoli <ca...@debian.org> wrote: > > > > On Thu, Sep 01, 2022 at 08:57:21PM +0100, Sudip Mukherjee wrote: > > > > > > Dear Maintainer, > > > > Hi Sudip, > > > > > > > > dwarves FTBFS with libbpf 1.0.0 (available in experimental). > > > Hopefully this is the error from the build log: > > > > > > In file included from /home/sudip/test/dwarves-1.23/btf_encoder.c:18: > > > /usr/include/bpf/btf.h: In function 'btf_enum64_value': > > > /usr/include/bpf/btf.h:496:25: error: invalid use of undefined type > > > 'const struct btf_enum64' > > > 496 | return ((__u64)e->val_hi32 << 32) | e->val_lo32; > > > | ^~ > > > /usr/include/bpf/btf.h:496:46: error: invalid use of undefined type > > > 'const struct btf_enum64' > > > 496 | return ((__u64)e->val_hi32 << 32) | e->val_lo32; > > > | ^~ > > > > Which version of linux-libc-dev are you using? I see that struct > > btf_enum64 is introduced only in kernel 6.0, not yet packaged. > > It does look like libbpf has now added a hard dependency on v6.0+ > kernel even though they said it will have "transparent handling of > older kernels". > I have mentioned it in > https://github.com/libbpf/libbpf/issues/562#issuecomment-1237299951. > So, we either need to wait for some fix from libbpf upstream or wait > for the Debian kernel team to update to v6.0 after its released next > month.
This already happened in the past, I solved it by adding linux-libc-dev to dwarves' build depends. It's not obvious why this is visible only when building dwarves and not libbpf itself. I nevertheless think it should be libbpf to depend on the right linux-libc-dev, not the packages using it. What do you think? -- rsa4096: 3B10 0CA1 8674 ACBA B4FE FCD2 CE5B CF17 9960 DE13 ed25519: FFB4 0CC3 7F2E 091D F7DA 356E CC79 2832 ED38 CB05
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