diff --git a/utils/hwstub/stub/atj213x/Makefile b/utils/hwstub/stub/atj213x/Makefile
index 8ec37f3543..d653017a0f 100644
--- a/utils/hwstub/stub/atj213x/Makefile
+++ b/utils/hwstub/stub/atj213x/Makefile
@@ -1,10 +1,11 @@
 #
 # common
 #
-CC=mipsel-elf-gcc
-LD=mipsel-elf-gcc
-AS=mipsel-elf-gcc
-OC=mipsel-elf-objcopy
+PREFIX?=mipsel-elf-
+CC=$(PREFIX)gcc
+LD=$(PREFIX)gcc
+AS=$(PREFIX)gcc
+OC=$(PREFIX)objcopy
 DEFINES=
 INCLUDES=-I$(CURDIR)
 GCCOPTS=-march=mips32r2 -G0 -msoft-float
diff --git a/utils/hwstub/stub/pp/Makefile b/utils/hwstub/stub/pp/Makefile
index 73d5838f49..d4f16260dc 100644
--- a/utils/hwstub/stub/pp/Makefile
+++ b/utils/hwstub/stub/pp/Makefile
@@ -1,10 +1,11 @@
 #
 # common
 #
-CC=arm-elf-eabi-gcc
-LD=arm-elf-eabi-gcc
-AS=arm-elf-eabi-gcc
-OC=arm-elf-eabi-objcopy
+PREFIX?=arm-elf-eabi-
+CC=$(PREFIX)gcc
+LD=$(PREFIX)gcc
+AS=$(PREFIX)gcc
+OC=$(PREFIX)objcopy
 DEFINES=
 INCLUDES=-I$(CURDIR)
 GCCOPTS=-mcpu=arm7tdmi
diff --git a/utils/hwstub/stub/rk27xx/Makefile b/utils/hwstub/stub/rk27xx/Makefile
index 36fd07f3de..5de54f0b83 100644
--- a/utils/hwstub/stub/rk27xx/Makefile
+++ b/utils/hwstub/stub/rk27xx/Makefile
@@ -1,10 +1,11 @@
 #
 # common
 #
-CC=arm-elf-eabi-gcc
-LD=arm-elf-eabi-gcc
-AS=arm-elf-eabi-gcc
-OC=arm-elf-eabi-objcopy
+PREFIX?=arm-elf-eabi-
+CC=$(PREFIX)gcc
+LD=$(PREFIX)gcc
+AS=$(PREFIX)gcc
+OC=$(PREFIX)objcopy
 DEFINES=
 INCLUDES=-I$(CURDIR)
 GCCOPTS=-march=armv5te
diff --git a/utils/hwstub/stub/stmp/Makefile b/utils/hwstub/stub/stmp/Makefile
index 006f4ea73f..76f6d00a33 100644
--- a/utils/hwstub/stub/stmp/Makefile
+++ b/utils/hwstub/stub/stmp/Makefile
@@ -1,10 +1,11 @@
 #
 # common
 #
-CC=arm-elf-eabi-gcc
-LD=arm-elf-eabi-gcc
-AS=arm-elf-eabi-gcc
-OC=arm-elf-eabi-objcopy
+PREFIX?=arm-elf-eabi-
+CC=$(PREFIX)gcc
+LD=$(PREFIX)gcc
+AS=$(PREFIX)gcc
+OC=$(PREFIX)objcopy
 SBTOOLS=$(CURDIR)/../../../imxtools/sbtools
 ELFTOSB=$(SBTOOLS)/elftosb
 ELFTOSB1=$(SBTOOLS)/elftosb1