$OpenBSD: patch-js_src_Makefile_in,v 1.3 2011/06/28 22:01:18 landry Exp $
https://bug638056.bugzilla.mozilla.org/attachment.cgi?id=520157
--- js/src/Makefile.in.orig	Fri May 27 18:12:07 2011
+++ js/src/Makefile.in	Tue May 31 22:18:21 2011
@@ -391,7 +391,7 @@ CPPSRCS += 	checks.cc \
 # END enclude sources for V8 dtoa
 #############################################
 
-ifeq (,$(filter-out powerpc sparc,$(TARGET_CPU)))
+ifeq (,$(filter arm %86 x86_64,$(TARGET_CPU)))
 
 VPATH +=	$(srcdir)/assembler \
 		$(srcdir)/assembler/wtf \
