* Merge from Gnulib in emacs-28 branch
@ 2021-10-04 22:34 Paul Eggert
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From: Paul Eggert @ 2021-10-04 22:34 UTC (permalink / raw)
To: Emacs development discussions
To address the usual portability/correctness issues (new and improved
with C2x looming :-) I merged from current Gnulib into the emacs-28
branch, and this merge should eventually hit the Emacs master branch. As
it's been a while since the last merge from Gnulib I expect there will
be some glitches; please let me know what you run into. You will
probably need to build from scratch or do a 'make bootstrap'.
One thing in particular: 'configure' now prefers 64-bit to 32-bit time_t
on platforms that have both. The only known platforms like this are
glibc 2.34+ on ARM and x86. The upside is that Emacs won't stop working
after 2038 on these 32-bit platforms; the downside is that there may be
issues (which we don't yet know about) if Emacs is linked to libraries
that require time_t to be 32 bits. If you encounter the downsides you
can configure with --disable-year2038. Please let me know of any
problems in this area; I have tested this on Fedora 34 x86 client, but
not on other platforms.
There's a bit more discussion about this merge here:
https://debbugs.gnu.org/bug=50985
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2021-10-04 22:34 Merge from Gnulib in emacs-28 branch Paul Eggert
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