diff -up yosys-5199aafca0579aceb3b4a2ad1af610bcb4ccfcd1/manual/CHAPTER_Prog/Makefile.mancfginc yosys-5199aafca0579aceb3b4a2ad1af610bcb4ccfcd1/manual/CHAPTER_Prog/Makefile
--- yosys-5199aafca0579aceb3b4a2ad1af610bcb4ccfcd1/manual/CHAPTER_Prog/Makefile.mancfginc	2016-09-10 08:24:08.000000000 -0600
+++ yosys-5199aafca0579aceb3b4a2ad1af610bcb4ccfcd1/manual/CHAPTER_Prog/Makefile	2016-09-13 03:52:13.236296221 -0600
@@ -5,7 +5,7 @@ test: stubnets.so
 	tail test1.log test2.log test3.log
 
 stubnets.so: stubnets.cc
-	yosys-config --exec --cxx --cxxflags --ldflags -o $@ -shared $^ --ldlibs
+	yosys-config --exec --cxx --cxxflags -I../.. --ldflags -o $@ -shared $^ --ldlibs
 
 clean:
 	rm -f test1.log test2.log test3.log
diff -up yosys-5199aafca0579aceb3b4a2ad1af610bcb4ccfcd1/manual/PRESENTATION_Prog/Makefile.mancfginc yosys-5199aafca0579aceb3b4a2ad1af610bcb4ccfcd1/manual/PRESENTATION_Prog/Makefile
--- yosys-5199aafca0579aceb3b4a2ad1af610bcb4ccfcd1/manual/PRESENTATION_Prog/Makefile.mancfginc	2016-09-13 03:47:52.222413004 -0600
+++ yosys-5199aafca0579aceb3b4a2ad1af610bcb4ccfcd1/manual/PRESENTATION_Prog/Makefile	2016-09-13 03:50:38.875169350 -0600
@@ -2,7 +2,7 @@
 all: test0.log test1.log test2.log
 
 my_cmd.so: my_cmd.cc
-	../../yosys-config --exec --cxx --cxxflags --ldflags -o my_cmd.so -shared my_cmd.cc --ldlibs
+	../../yosys-config --exec --cxx --cxxflags -I../.. --ldflags -o my_cmd.so -shared my_cmd.cc --ldlibs
 
 test0.log: my_cmd.so
 	../../yosys -Ql test0.log_new -m ./my_cmd.so -p 'my_cmd foo bar' absval_ref.v