Hello,

Maxim Cournoyer <maxim.courno...@gmail.com> writes:

> * gnu/packages/electronics.scm (openboardview): New variable.

I've found a source of nondeterminism in the build of openboardview: the
use of the CPP __TIMESTAMP__ macro (info '(cpp) Common Predefined
Macros').  It seems that GCC 10.3.0 still doesn't doesn't honor
SOURCE_EPOCH_DATE for that macro.  A patch was made to correct this, but
it seems it was never applied [0].  I've ping'd in the #gcc channel to
verify.

I haven't seen the patch carried by Debian for their GCC package.

Thanks,

Maxim

[0]  https://gcc.gnu.org/pipermail/gcc-patches/2016-November/461108.html



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