diff -up kexec-tools-testing-20070330/makedumpfile/Makefile.orig kexec-tools-testing-20070330/makedumpfile/Makefile
--- kexec-tools-testing-20070330/makedumpfile/Makefile.orig	2008-01-03 08:56:42.000000000 -0500
+++ kexec-tools-testing-20070330/makedumpfile/Makefile	2008-01-03 08:57:36.000000000 -0500
@@ -4,9 +4,9 @@ VERSION=1.1.5
 DATE=27 July 2007
 
 CC	= gcc
-CFLAGS = -g -O2 -Wall -D_FILE_OFFSET_BITS=64 \
+CFLAGS = -g -O2 -Wall -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE \
 	  -DVERSION='"$(VERSION)"' -DRELEASE_DATE='"$(DATE)"'
-CFLAGS_ARCH	= -g -O2 -Wall -D_FILE_OFFSET_BITS=64
+CFLAGS_ARCH	= -g -O2 -Wall -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 
 ARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/sun4u/sparc64/ \
 			       -e s/arm.*/arm/ -e s/sa110/arm/ \