[dm-devel] [PATCH 14/18] Make use of /run depend on systemd

[Zdenek Kabelac]

Dne 12.10.2015 v 09:09 Hannes Reinecke napsal(a):
> On 10/08/2015 09:44 PM, Benjamin Marzinski wrote:
>> While there are other ways to decide whether to use /run or /var/run,
>> I believe this should be good enough, and it uses a Makefile define
>> that already exists.  If it doesn't work for everyone, I'll switch it
>> to actually test the directories and add a new define to CFLAGS.
>>
>> Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
>> ---
>>   libmultipath/defaults.h | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/libmultipath/defaults.h b/libmultipath/defaults.h
>> index e2d2779..a313d75 100644
>> --- a/libmultipath/defaults.h
>> +++ b/libmultipath/defaults.h
>> @@ -27,7 +27,11 @@
>>   #define MAX_CHECKINT(a)		(a << 2)
>>
>>   #define MAX_DEV_LOSS_TMO	0x7FFFFFFF
>> +#ifdef USE_SYSTEMD
>>   #define DEFAULT_PIDFILE		"/run/multipathd.pid"
>> +#else
>> +#define DEFAULT_PIDFILE         "/var/run/multipathd.pid"
>> +#endif
>>   #define DEFAULT_CONFIGFILE	"/etc/multipath.conf"
>>   #define DEFAULT_BINDINGS_FILE	"/etc/multipath/bindings"
>>   #define DEFAULT_WWIDS_FILE	"/etc/multipath/wwids"
>>
> Hmpf. Again.
>
> But yeah, I guess it's okay.
>
> If only systemd would stop moving things around ...
>

I assume things like this should be detected at configure time and
used  via  'AC_DEFINE()' m4 macro.
(Check i.e. lvm2 configure.in file)
(As user may wish to even use completely different directory, to
make a parallel usable binary)

Zdenek