--- /dev/null
+From 1d11b2432b6e0f99b9f08c65b51292e1a2251975 Mon Sep 17 00:00:00 2001
+From: Yousong Zhou <zhouyousong@yunionyun.com>
+Date: Fri, 18 Oct 2019 11:29:03 +0000
+Subject: [PATCH] Skip building pfc
+
+It can cause build failure, see [1]
+
+ [1] https://github.com/openwrt/packages/issues/10270
+---
+ Makefile | 15 +++------------
+ 1 file changed, 3 insertions(+), 12 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index 9927715..8a3eecd 100644
+--- a/Makefile
++++ b/Makefile
+@@ -115,10 +115,10 @@ BINDIR?=$(DESTDIR)${PREFIX}/bin
+ MANDIR?=$(DESTDIR)${PREFIX}/share/man
+
+
+-all: $(EXEC) pfc $(CONTROL_EXEC)
++all: $(EXEC) $(CONTROL_EXEC)
+
+ clean:
+- rm -f $(OBJS) $(EXEC) pfc.o pfc $(CONTROL_EXEC)
++ rm -f $(OBJS) $(EXEC) $(CONTROL_EXEC)
+
+ $(EXEC): $(OBJS) $(HDRS)
+ $(CC) $(LDFLAGS) -o $@ $(OBJS) $(LDLIBS)
+@@ -126,10 +126,6 @@ $(EXEC): $(OBJS) $(HDRS)
+ $(CONTROL_EXEC): $(CONTROL_SRCS)
+ $(CC) $(CFLAGS) $(LDFLAGS) $(CONTROL_SRCS) -o $@
+
+-pfc:
+- $(CC) $(CFLAGS) -c contrib/pfc.c
+- $(CC) $(LDFLAGS) -o pfc pfc.o -lpcap $(LDLIBS)
+-
+ romfs:
+ $(ROMFSINST) /bin/$(EXEC)
+
+@@ -142,7 +138,7 @@ packagingprep:
+ sed -i "s/Version: .*/Version: ${XL2TPDBASEVERSION}/" packaging/*/*.spec
+ sed -i "s/PKG_VERSION:=.*/PKG_VERSION:=${XL2TPDBASEVERSION}/" packaging/openwrt/Makefile
+
+-install: ${EXEC} pfc ${CONTROL_EXEC}
++install: ${EXEC} ${CONTROL_EXEC}
+ install -d -m 0755 ${SBINDIR}
+ install -m 0755 $(EXEC) ${SBINDIR}/$(EXEC)
+ install -d -m 0755 ${MANDIR}/man5
+@@ -151,11 +147,6 @@ install: ${EXEC} pfc ${CONTROL_EXEC}
+ install -m 0644 doc/xl2tpd-control.8 ${MANDIR}/man8/
+ install -m 0644 doc/xl2tpd.conf.5 doc/l2tp-secrets.5 \
+ ${MANDIR}/man5/
+- # pfc
+- install -d -m 0755 ${BINDIR}
+- install -m 0755 pfc ${BINDIR}/pfc
+- install -d -m 0755 ${MANDIR}/man1
+- install -m 0644 contrib/pfc.1 ${MANDIR}/man1/
+ # control exec
+ install -d -m 0755 ${SBINDIR}
+ install -m 0755 $(CONTROL_EXEC) ${SBINDIR}/$(CONTROL_EXEC)