Subject: bug#57346: undeclared identifier 'CLOCK_MONOTONIC'

From: Glenn Morris <[email-masked]>
Date: Mon, 22 Aug 2022 16:46:51 -0400

Package: emacs
Version: 29.0.50

OS X Clang build failing for three weeks. Ref:
https://hydra.nixos.org/build/186116177
https://hydra.nixos.org/build/188132926

xterm.c:6659:3: warning: implicit declaration of function
'clock_gettime' is invalid in C99 [-Wimplicit-function-declaration]
  clock_gettime (CLOCK_MONOTONIC, &time);
  ^
xterm.c:6659:18: error: use of undeclared identifier 'CLOCK_MONOTONIC'
  clock_gettime (CLOCK_MONOTONIC, &time);