Re: [comedi] install error of comedi on rhel9

On 20/06/2025 22:32, A Asraoui wrote:
> thank you Ian for checking on this , when do we get the updated version=
=20
> with the fix ..
>=20
> cheers,
> abde

Installation using "akmods" on Red Hat based systems should now be=20
supported.  Also various bugs for installation using "DKMS" on other=20
systems have been weeded out.

The old installation instructions in INSTALL.md have been rewritten for=20
modern systems, including sections on automatic installation via Akmods=20
or DKMS, and covering details such as signing modules with a Machine=20
Owner Key (MOK) (at least when using Akmods or DKMS, but I haven't added=20
information about signing modules for "manual" builds yet).

It is best to read INSTALL.md online due to the use of Github-flavored=20
Markdown, or with an editor that can display Markdown text nicely,=20
otherwise you need to mentally ignore a lot of punctuation in the text!

https://github.com/Linux-Comedi/comedi/blob/master/INSTALL.md

> On Friday, June 20, 2025 at 4:07:44=E2=80=AFAM UTC-7 Ian Abbott wrote:
>=20
>     On 16/06/2025 15:24, A Asraoui wrote:
>      > hi,
>      > Running into ssl error during the install of comedi and wondering =
if
>      > this is a known problem in rhel9
>      > thanks!
>      > ./autogen.sh
>      > make
>      > make install
>      > make entering dir "/usr/local/comedi'
>      >
>      > make -I /usr/local/comedi/comedi -C /lib/modules/..../build M=3D/u=
sr/
>      > local/comedi/comedi \
>      > =C2=A0 =C2=A0 =C2=A0 INSTALL_MOD_DIR=3Dcomedi \
>      > =C2=A0 =C2=A0 =C2=A0 INSTALL_MOD_PATH=3D"/" modules_install
>      > make[4]: Entering directory '/usr/src/linix-xxxx
>      > =C2=A0 INSTALL //lib/modules/xxxx/comedit/comedi/comedi.ko
>      > =C2=A0 STRIP //lib/modules/xxxx/comedit/comedi/comedi.ko
>      > =C2=A0 SIGN //lib.modules/xxx/comedi/comedi.ko
>      > At main.c:171
>      > -SSL error: Fxxxx:system library: No such file or directory: crypt=
o/
>      > bios/bss_file.c:67
>      > -SSL_error:1xxxxx:BIO routines::no such file: crypto:/bio/
>     bss_file.c:75
>      > sign-file: ./certs/signing_key.pem
>=20
>     I can reproduce it. It's under investigation. I think the eventual
>     solution will involve using "akmods" to sign the modules.
>=20
>     In the meantime, I have fixed a problem with comedi failing to build
>     for
>     later versions of Red Hat's 5.14 kernels due to Red Hat back-porting
>     API
>     changes to the class_create() function from the mainline 6.4 kernel.
>     This broke Comedi's kernel compatibility wrapper code for this
>     function.

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