diff -up evolution-data-server-1.12.3/camel/providers/local/camel-mh-summary.c.large_files evolution-data-server-1.12.3/camel/providers/local/camel-mh-summary.c
--- evolution-data-server-1.12.3/camel/providers/local/camel-mh-summary.c.large_files	2008-04-04 18:59:01.000000000 +0200
+++ evolution-data-server-1.12.3/camel/providers/local/camel-mh-summary.c	2008-04-04 18:59:45.000000000 +0200
@@ -152,7 +152,7 @@ static char *mh_summary_next_uid_string(
 			uid = camel_folder_summary_next_uid(s);
 			name = g_strdup_printf("%s/%u", cls->folder_path, uid);
 			/* O_EXCL isn't guaranteed, sigh.  Oh well, bad luck, mh has problems anyway */
-			fd = open(name, O_WRONLY|O_CREAT|O_EXCL, 0600);
+			fd = open(name, O_WRONLY|O_CREAT|O_EXCL|O_LARGEFILE, 0600);
 			g_free(name);
 		} while (fd == -1 && errno == EEXIST);
 
@@ -174,7 +174,7 @@ static int camel_mh_summary_add(CamelLoc
 
 	d(printf("summarising: %s\n", name));
 
-	fd = open(filename, O_RDONLY);
+	fd = open(filename, O_RDONLY|O_LARGEFILE);
 	if (fd == -1) {
 		g_warning ("Cannot summarise/index: %s: %s", filename, strerror (errno));
 		g_free(filename);
diff -up evolution-data-server-1.12.3/camel/providers/local/camel-maildir-summary.c.large_files evolution-data-server-1.12.3/camel/providers/local/camel-maildir-summary.c
--- evolution-data-server-1.12.3/camel/providers/local/camel-maildir-summary.c.large_files	2008-04-04 18:58:38.000000000 +0200
+++ evolution-data-server-1.12.3/camel/providers/local/camel-maildir-summary.c	2008-04-04 18:59:45.000000000 +0200
@@ -469,7 +469,7 @@ static int camel_maildir_summary_add(Cam
 
 	d(printf("summarising: %s\n", name));
 
-	fd = open(filename, O_RDONLY);
+	fd = open(filename, O_RDONLY|O_LARGEFILE);
 	if (fd == -1) {
 		g_warning ("Cannot summarise/index: %s: %s", filename, strerror (errno));
 		g_free(filename);
diff -up evolution-data-server-1.12.3/camel/providers/local/camel-spool-summary.c.large_files evolution-data-server-1.12.3/camel/providers/local/camel-spool-summary.c
--- evolution-data-server-1.12.3/camel/providers/local/camel-spool-summary.c.large_files	2008-04-04 18:59:23.000000000 +0200
+++ evolution-data-server-1.12.3/camel/providers/local/camel-spool-summary.c	2008-04-04 18:59:45.000000000 +0200
@@ -139,7 +139,7 @@ spool_summary_sync_full(CamelMboxSummary
 
 	camel_operation_start(NULL, _("Storing folder"));
 
-	fd = open(((CamelLocalSummary *)cls)->folder_path, O_RDWR);
+	fd = open(((CamelLocalSummary *)cls)->folder_path, O_RDWR|O_LARGEFILE);
 	if (fd == -1) {
 		camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
 				      _("Could not open file: %s: %s"),
diff -up evolution-data-server-1.12.3/camel/providers/local/camel-spool-folder.c.large_files evolution-data-server-1.12.3/camel/providers/local/camel-spool-folder.c
--- evolution-data-server-1.12.3/camel/providers/local/camel-spool-folder.c.large_files	2008-04-04 18:59:12.000000000 +0200
+++ evolution-data-server-1.12.3/camel/providers/local/camel-spool-folder.c	2008-04-04 18:59:45.000000000 +0200
@@ -144,7 +144,7 @@ spool_lock(CamelLocalFolder *lf, CamelLo
 	CamelMboxFolder *mf = (CamelMboxFolder *)lf;
 	CamelSpoolFolder *sf = (CamelSpoolFolder *)lf;
 
-	mf->lockfd = open(lf->folder_path, O_RDWR, 0);
+	mf->lockfd = open(lf->folder_path, O_RDWR|O_LARGEFILE, 0);
 	if (mf->lockfd == -1) {
 		camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
 				      _("Cannot create folder lock on %s: %s"),
diff -up evolution-data-server-1.12.3/camel/providers/local/camel-mbox-folder.c.large_files evolution-data-server-1.12.3/camel/providers/local/camel-mbox-folder.c
--- evolution-data-server-1.12.3/camel/providers/local/camel-mbox-folder.c.large_files	2008-04-04 18:58:51.000000000 +0200
+++ evolution-data-server-1.12.3/camel/providers/local/camel-mbox-folder.c	2008-04-04 18:59:45.000000000 +0200
@@ -150,7 +150,7 @@ static int mbox_lock(CamelLocalFolder *l
 	/* make sure we have matching unlocks for locks, camel-local-folder class should enforce this */
 	g_assert(mf->lockfd == -1);
 
-	mf->lockfd = open(lf->folder_path, O_RDWR, 0);
+	mf->lockfd = open(lf->folder_path, O_RDWR|O_LARGEFILE, 0);
 	if (mf->lockfd == -1) {
 		camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
 				      _("Cannot create folder lock on %s: %s"),