diff --git a/databases/rrdtool/Makefile b/databases/rrdtool/Makefile
index 08abd53a0e8d..8b30ad1a5b41 100644
--- a/databases/rrdtool/Makefile
+++ b/databases/rrdtool/Makefile
@@ -36,6 +36,12 @@ MAN3PREFIX=	${PREFIX}/lib/perl5/${PERL_VERSION}
 CONFIGURE_ARGS+=	--with-latin2
 .endif
 
+.include <bsd.port.pre.mk>
+
+.if ${ARCH} == "amd64"
+BROKEN=		"Does not build on amd64 (needs to build shared libraries with -fPIC)"
+.endif
+
 pre-extract:
 .if !defined(WITH_LATIN2)
 	@${ECHO_MSG} ""
@@ -51,4 +57,4 @@ post-install:
 	@${ECHO_MSG} "############################################################################"
 .endif
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>
diff --git a/databases/rrdtool10/Makefile b/databases/rrdtool10/Makefile
index 08abd53a0e8d..8b30ad1a5b41 100644
--- a/databases/rrdtool10/Makefile
+++ b/databases/rrdtool10/Makefile
@@ -36,6 +36,12 @@ MAN3PREFIX=	${PREFIX}/lib/perl5/${PERL_VERSION}
 CONFIGURE_ARGS+=	--with-latin2
 .endif
 
+.include <bsd.port.pre.mk>
+
+.if ${ARCH} == "amd64"
+BROKEN=		"Does not build on amd64 (needs to build shared libraries with -fPIC)"
+.endif
+
 pre-extract:
 .if !defined(WITH_LATIN2)
 	@${ECHO_MSG} ""
@@ -51,4 +57,4 @@ post-install:
 	@${ECHO_MSG} "############################################################################"
 .endif
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>
diff --git a/devel/p5-Algorithm-Cluster/Makefile b/devel/p5-Algorithm-Cluster/Makefile
index ff2e00e3fd56..692315542fe7 100644
--- a/devel/p5-Algorithm-Cluster/Makefile
+++ b/devel/p5-Algorithm-Cluster/Makefile
@@ -30,4 +30,8 @@ post-patch:
 IGNORE=		This port requires perl 5.6.x or later. Install lang/perl5 then try again
 .endif
 
+.if ${ARCH} == "amd64"
+BROKEN=		"Does not build on amd64 (needs to build shared libraries with -fPIC)"
+.endif
+
 .include <bsd.port.post.mk>
diff --git a/net/rrdtool/Makefile b/net/rrdtool/Makefile
index 08abd53a0e8d..8b30ad1a5b41 100644
--- a/net/rrdtool/Makefile
+++ b/net/rrdtool/Makefile
@@ -36,6 +36,12 @@ MAN3PREFIX=	${PREFIX}/lib/perl5/${PERL_VERSION}
 CONFIGURE_ARGS+=	--with-latin2
 .endif
 
+.include <bsd.port.pre.mk>
+
+.if ${ARCH} == "amd64"
+BROKEN=		"Does not build on amd64 (needs to build shared libraries with -fPIC)"
+.endif
+
 pre-extract:
 .if !defined(WITH_LATIN2)
 	@${ECHO_MSG} ""
@@ -51,4 +57,4 @@ post-install:
 	@${ECHO_MSG} "############################################################################"
 .endif
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>
diff --git a/net/rrdtool10/Makefile b/net/rrdtool10/Makefile
index 08abd53a0e8d..8b30ad1a5b41 100644
--- a/net/rrdtool10/Makefile
+++ b/net/rrdtool10/Makefile
@@ -36,6 +36,12 @@ MAN3PREFIX=	${PREFIX}/lib/perl5/${PERL_VERSION}
 CONFIGURE_ARGS+=	--with-latin2
 .endif
 
+.include <bsd.port.pre.mk>
+
+.if ${ARCH} == "amd64"
+BROKEN=		"Does not build on amd64 (needs to build shared libraries with -fPIC)"
+.endif
+
 pre-extract:
 .if !defined(WITH_LATIN2)
 	@${ECHO_MSG} ""
@@ -51,4 +57,4 @@ post-install:
 	@${ECHO_MSG} "############################################################################"
 .endif
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>