Re: Strange Make Error

[Érico Nogueira Rolim via Tech-talk <tech-talk@aps.anl.gov>]

Hi Federico!


Per the log below, you seem to be interrupting your build:


-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


"^C" usually indicates someone pressed Ctrl-C in their terminal, and
that's compatible with the "Interruzione" messages in the later lines.


About your PS, have you gone through
https://urldefense.us/v3/__https://docs.epics-controls.org/en/latest/getting-started/EPICS_Intro.html__;!!G_uCfscf7eWS!bNMx61hJ0gIf3PejYK17rNHHZeWf5CMTFzoMQj7n8jXNJYEYSSS6ayEEyq-XbsJzHy8bhB_hYid6PhKVvcZLE3rTPH8$ 
and
https://urldefense.us/v3/__https://docs.epics-controls.org/en/latest/getting-started/installation-linux.html__;!!G_uCfscf7eWS!bNMx61hJ0gIf3PejYK17rNHHZeWf5CMTFzoMQj7n8jXNJYEYSSS6ayEEyq-XbsJzHy8bhB_hYid6PhKVvcZLyJMrE_k$ 
?


Cheers,

Érico


On 21/07/2025 12:24, Federico Galdenzi via Tech-talk wrote:
> 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.
>


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