$NetBSD$

--- src/base/misc/libpcl/Makefile.orig	2017-11-02 06:22:58.000000000 +0000
+++ src/base/misc/libpcl/Makefile
@@ -6,7 +6,8 @@
 
 top_builddir=../../../..
 include $(top_builddir)/Makefile.conf
-ALL_CPPFLAGS += -I$(REALTOPDIR)/src/arch/linux/mcontext
+#ALL_CPPFLAGS += -I$(REALTOPDIR)/src/arch/linux/mcontext
+ALL_CPPFLAGS += -I$(REALTOPDIR)/src/arch/netbsd/mcontext
 
 CFILES=pcl.c pcl_ctx.c