From 74ab65661b57a2f76b1b96553203a6e0c8f74cd9 Mon Sep 17 00:00:00 2001
From: Birger Schacht <birger@rantanplan.org>
Date: Feb 12 2019 18:43:49 +0000
Subject: Replace localtime with gmtime


The localtime() function gives the time relative to the users time.
This makes the generated manpage non reproducible. gmtime() gives
the time as UTC.

---

diff --git a/src/main.c b/src/main.c
index 930cbca..72d677c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -105,7 +105,7 @@ static void parse_preamble(struct parser *p) {
 	} else {
 		date_time = time(NULL);
 	}
-	struct tm *date_tm = localtime(&date_time);
+	struct tm *date_tm = gmtime(&date_time);
 	strftime(date, sizeof(date), "%F", date_tm);
 	while ((ch = parser_getch(p)) != UTF8_INVALID) {
 		if ((ch < 0x80 && isalnum(ch)) || ch == '_' || ch == '-' || ch == '.') {