Re: [PATCH] systemd: default system-sleep dir without pkg-config

["Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>]

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On Fri, Dec 05, 2025 at 03:13:32PM +0200, Mykola Kvach wrote:
> From: Mykola Kvach <mykola_kvach@epam.com>
> 
> Using PKG_CHECK_VAR() to obtain SYSTEMD_SLEEP_DIR reintroduced a build-time
> dependency on systemd-devel. This breaks --enable-systemd builds that only
> need the initscripts.
> 
> Use the same defaulting scheme as other systemd paths: if SYSTEMD_SLEEP_DIR
> isn't provided, set it to "$(prefix)/lib/systemd/system-sleep/".
> 
> Fixes: e54a6cd6a1f3 ("systemd: Add hooks to stop/start xen-watchdog on suspend/resume")
> Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
> Signed-off-by: Mykola Kvach <mykola_kvach@epam.com>
> ---
> Build in which the regression was detected:
> https://gitlab.com/xen-project/people/marmarek/xen/-/jobs/10959608099

Requires re-running autoconf, otherwise still fails:

https://gitlab.com/xen-project/people/marmarek/xen/-/jobs/12336879267

With autoconf:
https://gitlab.com/xen-project/people/marmarek/xen/-/pipelines/2198372475

It's better now, so:
Reviewed-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>

But unconditional --enable-systemd uncovered other issues (not related
to the configure change).


> ---
>  m4/systemd.m4 | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/m4/systemd.m4 b/m4/systemd.m4
> index c47a25ef93..ee684d3391 100644
> --- a/m4/systemd.m4
> +++ b/m4/systemd.m4
> @@ -77,7 +77,7 @@ AC_DEFUN([AX_CHECK_SYSTEMD_LIBS], [
>  	], [])
>  
>  	AS_IF([test "x$SYSTEMD_SLEEP_DIR" = x], [
> -	    PKG_CHECK_VAR([SYSTEMD_SLEEP_DIR], [systemd], [systemdsleepdir])
> +	    SYSTEMD_SLEEP_DIR="\$(prefix)/lib/systemd/system-sleep/"
>  	], [])
>  
>  	AS_IF([test "x$SYSTEMD_SLEEP_DIR" = x], [
> -- 
> 2.43.0
> 

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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