1 files changed, 7 insertions, 5 deletions

diff --git a/arch/xtensa/boot/boot-redboot/Makefile b/arch/xtensa/boot/boot-redboot/Makefile
index 872029b8443..25a78c6b153 100644
--- a/arch/xtensa/boot/boot-redboot/Makefile
+++ b/arch/xtensa/boot/boot-redboot/Makefile
@@ -21,15 +21,17 @@ LIBS	:= arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a
 
 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
-zImage: vmlinux $(OBJS) $(LIBS)
+vmlinux.tmp: vmlinux
         $(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \
-                vmlinux vmlinux.tmp
-        gzip -vf9 vmlinux.tmp
+                $^ $@
+
+vmlinux.tmp.gz: vmlinux.tmp
+        $(GZIP) $(GZIP_FLAGS) $^ > $@
+
+zImage: vmlinux.tmp.gz $(OBJS) $(LIBS)
         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
                 --add-section image=vmlinux.tmp.gz \
                 --set-section-flags image=contents,alloc,load,load,data \
                 $(OBJS) $@.tmp
         $(LD) $(LD_ARGS) -o $@.elf $@.tmp $(LIBS) -L/xtensa-elf/lib $(LIBGCC)
         $(OBJCOPY) -S -O binary $@.elf arch/$(ARCH)/boot/$@.redboot
-        rm -f $@.tmp $@.elf vmlinux.tmp.gz
-