--- Makefile.orig	(revision 385935)
+++ Makefile	(working copy)
@@ -94,7 +94,7 @@
 
 OCAML_ARCH= ${ARCH:S/x86_64/amd64/:S/powerpc/power/:S/armv6/arm/}
 
-.if defined(NO_PROFILE) || ${OCAML_ARCH} == power || ${OCAML_ARCH} == amd64
+.if defined(NO_PROFILE) || ${OCAML_ARCH} == power || ${OCAML_ARCH} == amd64 || ${OCAML_ARCH} == arm
 PLIST_SUB+=	PROF="@comment "
 .else
 PLIST_SUB+=	PROF=""