Use 'strip -s' for ELF image

drivers/ramdisk/Makefile

@@ -155,7 +155,7 @@ proto.gen: elfstrip
 .PHONY: elfstrip
 
 elfstrip: $(PROGRAMS)
-	strip $(PROGRAMS)
+	strip -s $(PROGRAMS)
 .endif
 
 .include <minix.service.mk>

tools/Makefile

@@ -64,7 +64,7 @@ image: includes services
 	${PAD_KERNEL_TEXT}
 	mkimage $(PROGRAMS)
 	cp ${KERNEL} ${PROGRAMS} /boot
-	strip ${KERNEL:T:S/^/\/boot\//} ${PROGRAMS:T:S/^/\/boot\//}
+	strip -s ${KERNEL:T:S/^/\/boot\//} ${PROGRAMS:T:S/^/\/boot\//}
 .else
 image:  includes services
 	${PAD_KERNEL_TEXT}