Description: Change makefile to build with hardening flags.
  This patch changes the makefile with hardening flags. It fixes
  lintian warning: W: fio: hardening-no-relro usr/bin/fio.
Author: Martin Steigerwald <ms@teamix.de>

--- a/Makefile
+++ b/Makefile
@@ -15,9 +15,9 @@
 endif
 
 DEBUGFLAGS = -D_FORTIFY_SOURCE=2 -DFIO_INC_DEBUG
-CPPFLAGS= -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 $(DEBUGFLAGS)
+CPPFLAGS+= -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 $(DEBUGFLAGS)
 OPTFLAGS= -O3 -g -ffast-math
-CFLAGS	= -std=gnu99 -Wwrite-strings -Wall -Wdeclaration-after-statement $(OPTFLAGS) $(EXTFLAGS) $(BUILD_CFLAGS)
+CFLAGS	+= -std=gnu99 -Wwrite-strings -Wall -Wdeclaration-after-statement $(OPTFLAGS) $(EXTFLAGS) $(BUILD_CFLAGS)
 LIBS	+= -lm $(EXTLIBS)
 PROGS	= fio
 SCRIPTS = tools/fio_generate_plots tools/plot/fio2gnuplot tools/genfio
