diff --git a/package/boot/kexec-tools/patches/110-fix-vmcore-dmsg-compilation-error.patch b/package/boot/kexec-tools/patches/110-fix-vmcore-dmsg-compilation-error.patch
new file mode 100644
index 0000000000..0cf2d3ebb5
--- /dev/null
+++ b/package/boot/kexec-tools/patches/110-fix-vmcore-dmsg-compilation-error.patch
@@ -0,0 +1,11 @@
+--- a/vmcore-dmesg/vmcore-dmesg.c
++++ b/vmcore-dmesg/vmcore-dmesg.c
+@@ -1,6 +1,8 @@
+ #define _XOPEN_SOURCE 600
+ #define _LARGEFILE_SOURCE 1
+ #define _FILE_OFFSET_BITS 64
++#define _GNU_SOURCE
++
+ #include <endian.h>
+ #include <byteswap.h>
+ #include <stdio.h>