diff --git a/devel/p5-Coro/Makefile b/devel/p5-Coro/Makefile
index b1a59c48279..648de3cc278 100644
--- a/devel/p5-Coro/Makefile
+++ b/devel/p5-Coro/Makefile
@@ -1,4 +1,6 @@
-# $OpenBSD: Makefile,v 1.2 2010/12/20 22:21:25 jasper Exp $
+# $OpenBSD: Makefile,v 1.3 2012/07/04 12:47:50 ajacoutot Exp $
+
+BROKEN-powerpc=	Segmentation fault during build
 
 COMMENT =	coroutines for perl
 
diff --git a/lang/ocaml/Makefile b/lang/ocaml/Makefile
index 6ec80747915..51c21983592 100644
--- a/lang/ocaml/Makefile
+++ b/lang/ocaml/Makefile
@@ -1,10 +1,12 @@
-# $OpenBSD: Makefile,v 1.54 2011/12/21 21:31:50 avsm Exp $
+# $OpenBSD: Makefile,v 1.55 2012/07/04 12:49:20 ajacoutot Exp $
 
 # XXX Don't even think of updating ocaml alone.
 # Do check that the ports that depend on it still work, or repair them. 
 
 NOT_FOR_ARCHS=	hppa
 
+BROKEN-powerpc=	build: Could not find the .cmi file for interface
+
 COMMENT=	ML language based on complete class-based objective system
 
 BASENAME=	ocaml-3.12