From ffcbf8b5dcf701c9c61ff4ee9582d07d66d64158 Mon Sep 17 00:00:00 2001
From: Bruno Lopes <brunvonlope@outlook.com>
Date: Fri, 28 Nov 2025 18:24:47 -0300
Subject: [PATCH] libgimp: Do not try to include sys/time.h on Windows

Code taken from: https://gist.github.com/ugovaretto/5875385
We already do that on babl repo.

It does not exist on such platform. What MINGW do on
the pseudo-header is to implement a wrapper to
native Windows functions.
---
 libgimp/gimpimagemetadata-save.c | 55 ++++++++++++++++++++++++++++++++
 libgimp/gimpimagemetadata.c      |  2 ++
 2 files changed, 57 insertions(+)

diff --git a/libgimp/gimpimagemetadata-save.c b/libgimp/gimpimagemetadata-save.c
index 73250f6a85..03ad43ec3c 100644
--- a/libgimp/gimpimagemetadata-save.c
+++ b/libgimp/gimpimagemetadata-save.c
@@ -21,7 +21,18 @@
 #include "config.h"
 
 #include <string.h>
+#ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
+#endif
+#if defined(_WIN32) && !defined(HAVE_SYS_TIME_H)
+#include <time.h>
+#include <windows.h>
+#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
+#define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
+#else
+#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
+#endif
+#endif
 
 #include <gexiv2/gexiv2.h>
 
@@ -619,6 +630,50 @@ gimp_image_metadata_set_xmp_structs (GList          *xmp_list,
   return exclude;
 }
 
+#if defined(_WIN32) && ! defined(HAVE_SYS_TIME_H)
+struct timezone
+{
+  int tz_minuteswest; /* minutes W of Greenwich */
+  int tz_dsttime;     /* type of dst correction */
+};
+
+int
+gettimeofday (struct timeval *tv, struct timezone *tz)
+{
+  FILETIME         ft;
+  unsigned __int64 tmpres = 0;
+  static int       tzflag = 0;
+
+  if (NULL != tv)
+    {
+      GetSystemTimeAsFileTime (&ft);
+
+      tmpres |= ft.dwHighDateTime;
+      tmpres <<= 32;
+      tmpres |= ft.dwLowDateTime;
+
+      tmpres /= 10; /*convert into microseconds*/
+      /*converting file time to unix epoch*/
+      tmpres -= DELTA_EPOCH_IN_MICROSECS;
+      tv->tv_sec  = (long) (tmpres / 1000000UL);
+      tv->tv_usec = (long) (tmpres % 1000000UL);
+    }
+
+  if (NULL != tz)
+    {
+      if (! tzflag)
+        {
+          _tzset ();
+          tzflag++;
+        }
+      tz->tz_minuteswest = _timezone / 60;
+      tz->tz_dsttime     = _daylight;
+    }
+
+  return 0;
+}
+#endif
+
 /**
  * gimp_image_metadata_save_filter:
  * @image:     The actually saved image
diff --git a/libgimp/gimpimagemetadata.c b/libgimp/gimpimagemetadata.c
index 6e98c9beeb..91fc4e7e6f 100644
--- a/libgimp/gimpimagemetadata.c
+++ b/libgimp/gimpimagemetadata.c
@@ -21,7 +21,9 @@
 #include "config.h"
 
 #include <string.h>
+#ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
+#endif
 
 #include <gexiv2/gexiv2.h>