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-rw-r--r--src/libusb-sniff.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libusb-sniff.c b/src/libusb-sniff.c
index ea7ef48..91f7872 100644
--- a/src/libusb-sniff.c
+++ b/src/libusb-sniff.c
@@ -21,7 +21,11 @@
/* usage: sudo USBSNIFF_WAIT=1 LD_PRELOAD=./libusb-sniff.so flasher-3.5 ... */
/* usage: sudo USBSNIFF_SKIP_READ=1 USBSNIFF_SKIP_WRITE=1 LD_PRELOAD=./libusb-sniff.so flasher-3.5 ... */
+/* Enable RTLD_NEXT for glibc */
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
+
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>