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-rw-r--r--lib/compress.c2
-rw-r--r--lib/io.c4
2 files changed, 6 insertions, 0 deletions
diff --git a/lib/compress.c b/lib/compress.c
index 8337487..b14ff17 100644
--- a/lib/compress.c
+++ b/lib/compress.c
@@ -7,7 +7,9 @@
* Created by Miao Xie <miaoxie@huawei.com>
* with heavy changes by Gao Xiang <gaoxiang25@huawei.com>
*/
+#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
+#endif
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/lib/io.c b/lib/io.c
index 52f9424..5b998d8 100644
--- a/lib/io.c
+++ b/lib/io.c
@@ -6,8 +6,12 @@
* http://www.huawei.com/
* Created by Li Guifu <bluce.liguifu@huawei.com>
*/
+#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
+#endif
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include <sys/stat.h>
#include <sys/ioctl.h>
#include "erofs/io.h"