Errors with "make"

binkyd · 09-11-2020, 06:39 AM

When trying to compile a small app, I get these errors, and I can't find out how to fix them.

Code:

make[3]: Entering directory '/home/binkyd/Downloads/Alarm-Clock/alarm-clock-applet-0.3.4/src'
  CC       util.o
util.c: In function ‘get_alarm_timestamp’:
util.c:57:31: error: ‘%c’ yields only last 2 digits of year in some locales [-Werror=format-y2k]
   57 |  strftime (tmp, sizeof (tmp), "%c", tm);
      |                               ^~~~
cc1: some warnings being treated as errors
make[3]: *** [Makefile:474: util.o] Error 1
make[3]: Leaving directory '/home/binkyd/Downloads/Alarm-Clock/alarm-clock-applet-0.3.4/src'
make[2]: *** [Makefile:494: all-recursive] Error 1
make[2]: Leaving directory '/home/binkyd/Downloads/Alarm-Clock/alarm-clock-applet-0.3.4/src'
make[1]: *** [Makefile:411: all-recursive] Error 1
make[1]: Leaving directory '/home/binkyd/Downloads/Alarm-Clock/alarm-clock-applet-0.3.4'
make: *** [Makefile:350: all] Error 2

I've looked in the gcc manual and the man files etc but am lost.
Looking at Arch Pkgbuild hasn't helped yet, either.

Where do I find out what these are about so I can maybe fix it?

pan64 · 09-11-2020, 06:55 AM

I would suggest you to do something like this: https://gitlab.gnome.org/GNOME/libep...ac372c0a2b4261
Insert a similar line in util.c right above that line 57.

binkyd · 09-11-2020, 01:44 PM

Thanks.
But I don't quite know which lines to add; when I take a look at that file, I see a "{" at line 27, with the next one at line 47 - "}"

Or would I just want lines 43 and 46 ?

Been a long time since I did any programming and now vague on syntax rules.

boughtonp · 09-12-2020, 09:35 AM

Putting the error message into a search engine brings up another pretty clear answer:

Quote:

Originally Posted by https://aur.archlinux.org/packages/alarm-clock-applet/

To get rid of the -Werror=format-y2k.
Just edit the PKGBUILD and put "--enable-compile-warnings=no" at the end of the ./configure line on build()

Quote:

Originally Posted by binkyd

But I don't quite know which lines to add; when I take a look at that file, I see a "{" at line 27, with the next one at line 47 - "}"

Or would I just want lines 43 and 46 ?

Been a long time since I did any programming and now vague on syntax rules.

As pan64 pointed out - the erroring line is 57 - so immediately before that line you put the first two pragmas and immediately after it you put the third one.

If it doesn't work, you can just revert the file and try again, or - if you don't want to modify the code - disable all warnings instead.

binkyd · 09-13-2020, 09:22 AM

Thanks - but I'm out of my depth, and will find something different to do the job..
What you're telling me might seem obvious, but I guess I'm thick.

pan64 · 09-14-2020, 01:43 AM

you have an error using strftime. In the example I posted there is an strftime call too, and added 2 lines before and 1 line after. That is the fastest solution I could imagine.
The other one could be to modify the build system, but that would be much more difficult.

GPGAgent · 09-14-2020, 07:01 AM

Quote:

Originally Posted by binkyd

Thanks - but I'm out of my depth, and will find something different to do the job..
What you're telling me might seem obvious, but I guess I'm thick.

You've got this far, don't give up, I'd never used make before and I wanted to install an older release of ffmpeg - it had many errors but using DDG (DuckDuckGo) and starting with the first error and solving it is the way to learn, it may be a bit confusing but once you've worked your way through it and taken notes you'll learn how Linux works. Good luck