From cade7a759cfd98922de0bb96bfb29721d861e25e Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Tue, 13 Dec 2022 18:14:51 +0100
Subject: [PATCH] libmm-glib,common-helpers: avoid using mm_new_iso8601_time()
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It requires newer glib than we do:

  ../libmm-glib/mm-common-helpers.c: In function ‘mm_new_iso8601_time’:
  ../libmm-glib/mm-common-helpers.c:1787:9: warning: ‘g_time_zone_new_offset’ is deprecated: Not available before 2.58 [-Wdeprecated-declarations]
   1787 |         tz = g_time_zone_new_offset (offset_minutes * 60);
        |         ^~
  In file included from /usr/include/glib-2.0/glib/gdatetime.h:33:
  /usr/include/glib-2.0/glib/gtimezone.h:67:25: note: declared here
     67 | GTimeZone *             g_time_zone_new_offset                          (gint32       seconds);
        |                         ^~~~~~~~~~~~~~~~~~~~~~

Let's not use the routine as opposed to bumping our requirement so that
we don't lose ability to build on CentOS 8.
---
 libmm-glib/mm-common-helpers.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libmm-glib/mm-common-helpers.c b/libmm-glib/mm-common-helpers.c
index de49136d..91371e96 100644
--- a/libmm-glib/mm-common-helpers.c
+++ b/libmm-glib/mm-common-helpers.c
@@ -1783,8 +1783,14 @@ mm_new_iso8601_time (guint    year,
 
     if (have_offset) {
         g_autoptr(GTimeZone) tz = NULL;
+        g_autofree gchar *identifier = NULL;
 
-        tz = g_time_zone_new_offset (offset_minutes * 60);
+        identifier = g_strdup_printf ("%c%02u:%02u:00",
+                                      (offset_minutes >= 0) ? '+' : '-',
+                                      ABS (offset_minutes) / 60,
+                                      ABS (offset_minutes) % 60);
+
+        tz = g_time_zone_new (identifier);
         dt = g_date_time_new (tz, year, month, day, hour, minute, second);
     } else
         dt = g_date_time_new_utc (year, month, day, hour, minute, second);
-- 
2.38.1