diff -Naur ELFkickers-3.0.orig//ebfc/Makefile ELFkickers-3.0/ebfc/Makefile
--- ELFkickers-3.0.orig//ebfc/Makefile	2011-05-24 00:51:07.000000000 -0400
+++ ELFkickers-3.0/ebfc/Makefile	2011-06-02 23:05:30.000000000 -0400
@@ -1,7 +1,7 @@
 #  Makefile for ebfc
 
-CC = gcc
-CFLAGS = -Wall -Wextra -Wno-missing-field-initializers
+CC ?= gcc
+CFLAGS += -Wno-missing-field-initializers
 
 ebfc: ebfc.o brainfuck.o libelfparts.a
 
diff -Naur ELFkickers-3.0.orig//elfls/Makefile ELFkickers-3.0/elfls/Makefile
--- ELFkickers-3.0.orig//elfls/Makefile	2011-05-31 02:53:05.000000000 -0400
+++ ELFkickers-3.0/elfls/Makefile	2011-06-02 23:04:15.000000000 -0400
@@ -1,7 +1,7 @@
 #  Makefile for elfls
 
-CC = gcc
-CFLAGS = -Wall -Wextra -I../elfrw
+CC ?= gcc
+CFLAGS += -I../elfrw
 
 elfls: elfls.c ../elfrw/libelfrw.a
 
diff -Naur ELFkickers-3.0.orig//elfrw/Makefile ELFkickers-3.0/elfrw/Makefile
--- ELFkickers-3.0.orig//elfrw/Makefile	2011-05-22 14:02:12.000000000 -0400
+++ ELFkickers-3.0/elfrw/Makefile	2011-06-02 23:04:37.000000000 -0400
@@ -1,7 +1,6 @@
 #  Makefile for libelfrw.a
 
-CC = gcc
-CFLAGS = -Wall -Wextra -O3
+CC ?= gcc
 
 LIBOBJS = elfrw.o elfrw_dyn.o elfrw_ehdr.o elfrw_phdr.o elfrw_rel.o \
           elfrw_shdr.o elfrw_sym.o elfrw_ver.o
diff -Naur ELFkickers-3.0.orig//elftoc/Makefile ELFkickers-3.0/elftoc/Makefile
--- ELFkickers-3.0.orig//elftoc/Makefile	2011-05-23 23:30:22.000000000 -0400
+++ ELFkickers-3.0/elftoc/Makefile	2011-06-02 23:04:27.000000000 -0400
@@ -1,8 +1,6 @@
 #  Makefile for elftoc
 
-CC = gcc
-CFLAGS = -Wall -Wextra
-LDFLAGS = -Wall -Wextra
+CC ?= gcc
 
 OBJS = gen.o names.o address.o readelf.o shdrtab.o phdrtab.o dynamic.o \
        pieces.o outbase.o outitems.o outelf64.o outelf32.o out.o elftoc.o
diff -Naur ELFkickers-3.0.orig//infect/Makefile ELFkickers-3.0/infect/Makefile
--- ELFkickers-3.0.orig//infect/Makefile	2011-05-31 02:52:27.000000000 -0400
+++ ELFkickers-3.0/infect/Makefile	2011-06-02 23:04:01.000000000 -0400
@@ -1,7 +1,6 @@
 #  Makefile for infect
 
-CC = gcc
-CFLAGS = -Wall -Wextra
+CC ?= gcc
 
 infect: infect.c
 
diff -Naur ELFkickers-3.0.orig//objres/Makefile ELFkickers-3.0/objres/Makefile
--- ELFkickers-3.0.orig//objres/Makefile	2011-05-23 23:29:39.000000000 -0400
+++ ELFkickers-3.0/objres/Makefile	2011-06-02 23:05:08.000000000 -0400
@@ -1,7 +1,7 @@
 #  Makefile for objres
 
-CC = gcc
-CFLAGS = -Wall -Wextra -I../elfrw
+CC ?= gcc
+CFLAGS += -I../elfrw
 
 objres: objres.c ../elfrw/libelfrw.a
 
diff -Naur ELFkickers-3.0.orig//rebind/Makefile ELFkickers-3.0/rebind/Makefile
--- ELFkickers-3.0.orig//rebind/Makefile	2011-05-23 23:29:16.000000000 -0400
+++ ELFkickers-3.0/rebind/Makefile	2011-06-02 23:04:57.000000000 -0400
@@ -1,7 +1,7 @@
 #  Makefile for rebind
 
-CC = gcc
-CFLAGS = -Wall -Wextra -I../elfrw
+CC ?= gcc
+CFLAGS += -I../elfrw
 
 rebind: rebind.c ../elfrw/libelfrw.a
 
diff -Naur ELFkickers-3.0.orig//sstrip/Makefile ELFkickers-3.0/sstrip/Makefile
--- ELFkickers-3.0.orig//sstrip/Makefile	2011-05-23 23:29:58.000000000 -0400
+++ ELFkickers-3.0/sstrip/Makefile	2011-06-02 23:05:41.000000000 -0400
@@ -1,7 +1,7 @@
 #  Makefile for sstrip
 
-CC = gcc
-CFLAGS = -Wall -Wextra -I../elfrw
+CC ?= gcc
+CFLAGS += -I../elfrw
 
 sstrip: sstrip.c ../elfrw/libelfrw.a