[Users] Silo Compilation Error

[Leonardo Werneck]

I figured out the issue, never mind. It was a stale `-std=c99` flag in my
cfg file.

Best,
Leo

On Tue, Jun 9, 2026 at 11:54 AM Leonardo Werneck <wernecklr at gmail.com>
wrote:

> Hi all,
>
> I've been trying to improve GRHayL's CI, and while trying to build the
> Einstein Toolkit's master thornlist in a container image, I got the
> following error:
> ```
> #11 1164.3 ../../../tools/silock/silock.c: In function ‘updateProgress’:
> 29704
> #11 1164.3 ../../../tools/silock/silock.c:183:20: error: storage size of
> ‘timeZone’ isn’t known
> 29705
> #11 1164.3   183 |    struct timezone timeZone;
> 29706
> #11 1164.3       |                    ^~~~~~~~
> 29707
> #11 1164.3 make[7]: *** [Makefile:540: silock.o] Error 1
> 29708
> #11 1164.3 make[6]: *** [Makefile:486: all-recursive] Error 1
> 29709
> #11 1164.3 make[5]: *** [Makefile:545: all-recursive] Error 1
> 29710
> #11 1164.3 make[4]: *** [Makefile:477: all] Error 2
> 29711
> #11 1164.3 make[3]: *** No rule to make target
> '/opt/et-build/et-gcc/configs/sim/scratch/done/Silo', needed by
> 'silo.cxx.o'.  Stop.
> 29712
> #11 1164.3 make[2]: *** [/opt/et-build/et-gcc/lib/make/make.thornlib:113:
> make.checked] Error 2
> 29713
> #11 1164.3 make[1]: ***
> [/opt/et-build/et-gcc/lib/make/make.configuration:179:
> /opt/et-build/et-gcc/configs/sim/lib/libthorn_Silo.a] Error 2
> 29714
> #11 1164.3 make[1]: *** Waiting for unfinished jobs....
> ```
>
> It appears that `struct timezone` is legacy C. Has anyone encountered this
> before and/or know how to deal with it? I've been using the latest gcc on
> Ubuntu 24.04, for completeness.
>
> Thanks!
> Leo
>
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