Index: accessibility/atk/Makefile
===================================================================
--- accessibility/atk/Makefile	(revision 319003)
+++ accessibility/atk/Makefile	(working copy)
@@ -28,6 +28,7 @@
 CPPFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
 CONFIGURE_ENV=	AUTOCONF=${TRUE} AUTOMAKE=${TRUE}
+MAKE_ENV=	GI_SCANNER_DISABLE_CACHE=yes
 
 post-patch:
 	@${REINPLACE_CMD} -e "/^SUBDIRS =/s/tests docs//" \
Index: net/avahi-app/Makefile
===================================================================
--- net/avahi-app/Makefile	(revision 319003)
+++ net/avahi-app/Makefile	(working copy)
@@ -44,6 +44,7 @@
 		PTHREAD_LIBS="${PTHREAD_LIBS}"
 CPPFLAGS+=	-I${LOCALBASE}/include -DHAVE_KQUEUE
 LDFLAGS+=	-L${LOCALBASE}/lib
+MAKE_ENV+=	GI_SCANNER_DISABLE_CACHE=yes
 
 .if ${AVAHI_SLAVE}=="no"
 CONFLICTS=	howl-[0-9]*
Index: graphics/gdk-pixbuf2/Makefile
===================================================================
--- graphics/gdk-pixbuf2/Makefile	(revision 319003)
+++ graphics/gdk-pixbuf2/Makefile	(working copy)
@@ -26,6 +26,7 @@
 CPPFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
 CONFIGURE_ARGS=	--enable-introspection=yes --with-x11
+MAKE_ENV+=	GI_SCANNER_DISABLE_CACHE=yes
 
 MAN1=		gdk-pixbuf-csource.1 gdk-pixbuf-query-loaders.1
 
Index: multimedia/gstreamer/Makefile
===================================================================
--- multimedia/gstreamer/Makefile	(revision 319003)
+++ multimedia/gstreamer/Makefile	(working copy)
@@ -35,6 +35,7 @@
 PLIST_SUB=	VERSION="${GST_VERSION}"
 USE_LDCONFIG=	yes
 GST_VERSION=	0.10
+MAKE_ENV+=	GI_SCANNER_DISABLE_CACHE=yes
 
 MAN1=	gst-feedback-${GST_VERSION}.1 gst-inspect-${GST_VERSION}.1 \
 	gst-launch-${GST_VERSION}.1 \
Index: x11-toolkits/pango/Makefile
===================================================================
--- x11-toolkits/pango/Makefile	(revision 319003)
+++ x11-toolkits/pango/Makefile	(working copy)
@@ -31,6 +31,7 @@
 USES=		pkgconfig gettext
 CPPFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
+MAKE_ENV=	GI_SCANNER_DISABLE_CACHE=yes
 
 PLIST_SUB=	VERSION="1.6.0"
 
Index: net-im/telepathy-glib/Makefile
===================================================================
--- net-im/telepathy-glib/Makefile	(revision 319003)
+++ net-im/telepathy-glib/Makefile	(working copy)
@@ -24,6 +24,7 @@
 MAKE_JOBS_UNSAFE=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-vala-bindings
+MAKE_ENV+=	GI_SCANNER_DISABLE_CACHE=yes
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|\(^pkgconfigdir =\).*|\1 ${PREFIX}/libdata/pkgconfig|' \