Bug#994274: syslinux: FTBFS with gnu-efi 3.0.13
On Wed, Sep 15, 2021 at 12:34:53AM +0200, Lukas Schwaighofer wrote:
> With the new version of gnu-efi that was recently uploaded [1] to
> unstable, syslinux fails to build from source.
>
> So far I tried applying a simple fix from the upstream mailing list [2]
> which result in a successful build, but the efi binaries from that
> build are unbootable.
It looks like Ubuntu added a patch to fix this slightly differently
(adding <setjmp.h> to efi/main.c instead of adding <efisetjmp.h>[1]).
With that it compiles as well. I don't quite understand the reference
to glibc in the changelog[2], though. This is reusing syslinux's
internal setjmp logic copied from klibc while gnu-efi rolled its own.
It's also possible that by including the "wrong" header you get the
wrong linkage against the wrong implementation.
Could you try this out? Apparently I cannot test this within qemu OVMF
(per [3] and it also didn't boot for me).
Kind regards
Philipp Kern
[1] http://launchpadlibrarian.net/553034379/syslinux_3%3A6.04~git20190206.bf6db5b4+dfsg1-3_3%3A6.04~git20190206.bf6db5b4+dfsg1-3ubuntu1.diff.gz
[2] https://launchpad.net/ubuntu/+source/syslinux/3:6.04~git20190206.bf6db5b4+dfsg1-3ubuntu1
[3] https://wiki.archlinux.org/title/syslinux#Limitations_of_UEFI_Syslinux
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