--- configure.orig	2018-02-01 11:15:37 UTC
+++ configure
@@ -227,6 +227,10 @@ add_cxxflags(){
     append ECXXFLAGS "$@"
 }
 
+add_cppflags(){
+    append CPPFLAGS "$@"
+}
+
 check_cxx(){
     log check_cxx "$@"
     cat > $TMPCXX
@@ -582,6 +586,10 @@ CXXPPFLAGS=${CXXPPFLAGS#CXXPPFLAGS=}
 OPENGLV=$(cat mythconfig.mak | grep -e "^CONFIG_OPENGL_VIDEO=yes")
 OPENGLES=$(cat mythconfig.mak | grep -e "^HAVE_GLES2_GL2_H=yes")
 
+add_cppflags "-I${prefix}/include"
+add_cxxflags "-I${prefix}/include"
+add_ldflags "-L${prefix}/lib"
+
 EXTRALIBS=$(cat mythconfig.mak | grep -e "^EXTRALIBS=")
 EXTRALIBS=${EXTRALIBS#EXTRALIBS=}