linux-kernel - Re: [PATCH 2/4] libkmod, depmod: Load modprobe.d, depmod.d from $prefix/lib.

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Date:   Wed, 12 Jul 2023 08:47:20 +0200
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Michal Suchanek <msuchanek@...e.de>, linux-modules@...r.kernel.org
Cc:     Takashi Iwai <tiwai@...e.com>,
        Lucas De Marchi <lucas.de.marchi@...il.com>,
        Michal Koutný <mkoutny@...e.com>,
        Jan Engelhardt <jengelh@...i.de>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] libkmod, depmod: Load modprobe.d, depmod.d from
 $prefix/lib.

On 11. 07. 23, 17:31, Michal Suchanek wrote:
> There is an ongoing effort to limit use of files outside of /usr (or
> $prefix on general). Currently all modprobe.d paths are hardcoded to
> outside of $prefix. Teach kmod to load modprobe.d from $prefix/lib.
> 
> On some distributions /usr/lib and /lib are the same directory because
> of a compatibility symlink, and it is possible to craft configuration
> files with sideeffects that would behave differently when loaded twice.
> However, the override semantic ensures that one 'overrides' the other,
> and only one configuration file of the same name is loaded from any of
> the seach directories.

search

...
> --- a/man/Makefile.am
> +++ b/man/Makefile.am
> @@ -17,9 +17,14 @@ EXTRA_DIST = $(MAN5:%.5=%.xml) $(MAN8:%.8=%.xml)
>   CLEANFILES = $(dist_man_MANS)
>   
>   %.5 %.8: %.xml
> -	$(AM_V_XSLT)$(XSLT) \
> +	$(AM_V_XSLT)if [ -n '$(prefix)' ] ; then \
> +		sed -e 's|@...FIX@|$(prefix)|g' $< ; \

Hmm, if prefix is empty, this will remove @PREFIX@. So why you need this 
'if' at all?

> +	else \
> +		sed -e '/@...FIX@/d' $< ; \
> +	fi | \


-- 
js
suse labs