From 3e666656dc9ac50dd3bf36d35d70c403dd860c9f Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Wed, 16 Mar 2022 20:06:49 -0400
Subject: main: Use difftime() instead of comparing time_t

C99 § 7.23.1 defines time_t as an "arithmetic [type] capable of
representing times" with "implementation-defined" "range and precision
of times representable".  It doesn't require that time1 > time0 for
time1 later than time0.

See also:
http://computer-programming-forum.com/47-c-language/8d7dec65bd1ddafe.htm
---
(limited to 'm4/gcc_version.m4')

--
cgit v0.9.1