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-rw-r--r--vmcore-dmesg/vmcore-dmesg.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/vmcore-dmesg/vmcore-dmesg.c b/vmcore-dmesg/vmcore-dmesg.c
index 0364636..a8f56df 100644
--- a/vmcore-dmesg/vmcore-dmesg.c
+++ b/vmcore-dmesg/vmcore-dmesg.c
@@ -1,4 +1,5 @@
#define _XOPEN_SOURCE 600
+#define _GNU_SOURCE
#define _LARGEFILE_SOURCE 1
#define _FILE_OFFSET_BITS 64
#include <endian.h>