$NetBSD$

--- CMakeLists.txt.orig	2020-04-19 19:17:00.000000000 +0000
+++ CMakeLists.txt
@@ -411,7 +411,7 @@ ENDFOREACH(sourcefile)
 INCLUDE_DIRECTORIES(${include})
 
 # manually include src/include
-INCLUDE_DIRECTORIES(src/include)
+INCLUDE_DIRECTORIES(src/include /usr/pkg/include/ffmpeg4 /usr/pkg/include /usr/pkg/include/AL)
 
 IF(AVP_WEB)
     ADD_DEFINITIONS(-DUSE_OPENGL_ES=1)