Re: Strange Make Error

[Federico Galdenzi via Tech-talk <tech-talk@aps.anl.gov>]

Dear Simon,

Thanks for the reply. I'm not very familiar with C but i'm trying to 
fill the gaps. However the building fails because the warning gets 
triggered continously and the building doesnt' go further. It just keeps 
printing the warning.
Il 2025-07-21 16:33 Simon Rose ha scritto:
> Hi Federico -
>
> Make uses the timestamp on files to detect if a file needs to be 
> updated. It seems that one of your files thinks it was created about 6 
> years from now.
> I've seen this come up in a few odd ways, possibly due to thinks like 
> mounted filesystems on hosts that have different time settings, or 
> improper NTP syncing.
> That said, that shouldn't actually cause the build to fail; that's just 
> a warning that something is a bit off with the latest modification time 
> of that file. It can be ignored, although it's probably worth looking 
> at why your file and systems times do not match each other.
> Cheers,
>
> Simon
>
> On 2025-07-21, 16:17, "Tech-talk on behalf of Federico Galdenzi via 
> Tech-talk" <tech-talk-bounces@aps.anl.gov 
> <mailto:tech-talk-bounces@aps.anl.gov> on behalf of 
> tech-talk@aps.anl.gov <mailto:tech-talk@aps.anl.gov>> wrote:
>
> Dear Community,
>
>
> I'm trying to learn EPICS and i started following a pretty simple
> example from Maurizio Monti, stream device exercises. I wanted to 
> create
> a simple EPICS application that controls VPS. However, after setting up
> everything, I get into this error.
>
>
> make[3]: Attenzione: il file
> "/home/xlabsrv11/epics/configure/RULES_COMMON" ha un orario di modifica
> 209019432 nel futuro
> Creating dbd file hvps_example.dbd
> perl -CSD /home/xlabsrv11/epics/bin/linux-x86_64/dbdExpand.pl -I. -I..
> -I../O.Common -I../../../dbd
> -I/home/xlabsrv11/epics/synApps_6_3/support/asyn-R4-44-2/dbd
> -I/home/xlabsrv11/epics/synApps_6_3/support/StreamDevice-2-8-24/dbd
> -I/home/xlabsrv11/epics/dbd -o hvps_example.dbd base.dbd
> ^Cmake[2]: *** [/home/xlabsrv11/epics/configure/RULES_ARCHS:58:
> install.linux-x86_64] Interruzione
> make[1]: *** [/home/xlabsrv11/epics/configure/RULES_DIRS:85:
> src.install] Interruzione
> make: *** [/home/xlabsrv11/epics/configure/RULES_DIRS:85:
> hvps_exampleApp.install] Interruzione
>
>
> The "make[3]: warning" translates to " the file ../../.. has a 
> different
> modification time 209019432 in the future".
>
>
> Can you help me?
>
>
> ps: as a side note, i'd like to know if you can suggest me some
> resources for learning epics. I'm kinda lost sometimes.