*************************************************/
/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) The Exim Maintainers 2010 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
/* Function for setting up the version string. */
sprintf(CS version_cnumber, CS version_cnumber_format, cnumber);
version_string = US EXIM_VERSION_STR "\0<<eximversion>>";
-Ustrcpy(today, __DATE__);
+#ifdef EXIM_BUILD_DATE_OVERRIDE
+/* Reproducible build support; build tooling should have given us something looking like
+ * "25-Feb-2017 20:15:40" in EXIM_BUILD_DATE_OVERRIDE based on $SOURCE_DATE_EPOCH in environ
+ * per <https://reproducible-builds.org/specs/source-date-epoch/>
+ */
+version_date = date_buffer;
+version_date[0] = 0;
+Ustrncat(version_date, EXIM_BUILD_DATE_OVERRIDE, sizeof(date_buffer));
+
+#else
+Ustrcpy(today, US __DATE__);
if (today[4] == ' ') today[4] = '0';
today[3] = today[6] = '-';
Ustrncat(version_date, today+4, 3);
Ustrncat(version_date, today, 4);
Ustrncat(version_date, today+7, 4);
-Ustrcat(version_date, " ");
-Ustrcat(version_date, __TIME__);
+Ustrcat(version_date, US" ");
+Ustrcat(version_date, US __TIME__);
+#endif
}
/* End of version.c */