Hi Edgar,
On Mon, May 10 2021, Edgar Bonet wrote:
> In the autobuild results from 2021-05-06, I noticed the following
> failures:
>
> -- 8< --
> defconfig | link to the job | orph?
> -----------------------------+---------------------------------------------------------------+------
> acmesystems_acqua_a5_256mb | https://gitlab.com/buildroot.org/buildroot/-/jobs/1240157423 | ORPH
> acmesystems_acqua_a5_512mb | https://gitlab.com/buildroot.org/buildroot/-/jobs/1240157424 | ORPH
> -- 8< --
>
> Since I am the original submitter of these two defconfigs, I feel
> somewhat responsible for their fate. I then tried to troubleshoot the
> problem, but unfortunately I am at a loss, so I hope someone here will
> be able to provide some assistance.
>
> Below are the results of my (probably faulty) investigations.
>
> Following the link to the first failed job, I found what I believe is
> the relevant error message. While building linux 5.4.107:
>
> -- 8< --
> HOSTCC scripts/extract-cert
> scripts/extract-cert.c:21:25: fatal error: openssl/bio.h: No such file or directory
> #include <openssl/bio.h>
> ^
> compilation terminated.
> -- 8< --
>
> What follows in the build log is mostly recursive make recursively
> complaining.
>
> My understanding is that this was compiling a helper program meant to
> run on the host. On my desktop, <openssl/bio.h> is provided by
> libssl-dev, which I have installed long ago, and that would explain why
> the build works for me. Apparently, the autobuilder did not have that
> package, and I failed to require it in the defconfig. So far so good.
>
> Now, my first problem is: I cannot find a host openssl package in
> buildroot. And the buildroot documentation does not list this within the
> system requirements. So my question is: where is <openssl/bio.h>
> supposed to come from?
There is host-openssl. You can't select it from menuconfig, but you can
add it to _DEPENDENCIES.
> Then, while browsing the kernel docs, I stumbled on this:
>
> You will also need openssl development packages
> to build kernels 4.3 and higher.
>
> But then, how come not every board defconfig using linux ≥ 4.3 is
> failing? I found a few other defconfigs that use linux-5.4, do not
> require any host package other than the ones I require here, and do not
> seem to fail.
These configs select BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL which adds
host-openssl to LINUX_DEPENDENCIES. See linux/linux.mk.
> Any help would be appreciated, as I am feeling completely clueless.
baruch
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