--- mythtv/libs/libmythtv/libmythtv.pro.orig	2016-08-06 13:50:29.000000000 -0400
+++ mythtv/libs/libmythtv/libmythtv.pro	2016-08-06 13:52:06.000000000 -0400
@@ -258,8 +258,8 @@
 #DVD stuff
 DEPENDPATH  += ../../external/libmythdvdnav/
 DEPENDPATH  += ../../external/libmythdvdnav/dvdread # for dvd_reader.h & dvd_input.h
-QMAKE_CXXFLAGS += -isystem ../../external/libmythdvdnav/dvdnav
-QMAKE_CXXFLAGS += -isystem ../../external/libmythdvdnav/dvdread
+INCLUDEPATH += ../../external/libmythdvdnav/dvdnav
+INCLUDEPATH += ../../external/libmythdvdnav/dvdread
 
 !win32-msvc*:POST_TARGETDEPS += ../../external/libmythdvdnav/libmythdvdnav-$${MYTH_LIB_EXT}
 

--- mythtv/programs/programs-libs.pro.orig	2016-08-06 13:54:51.000000000 -0400
+++ mythtv/programs/programs-libs.pro	2016-08-06 13:56:03.000000000 -0400
@@ -2,8 +2,8 @@
 INCLUDEPATH +=  ../../libs/libmythtv ../../external/FFmpeg
 INCLUDEPATH += ../../libs/libmythupnp ../../libs/libmythui ../../libs/libmythmetadata
 INCLUDEPATH += ../../libs/libmythlivemedia ../../libs/libmythbase
-QMAKE_CXXFLAGS += -isystem ../../external/libmythdvdnav/dvdnav
-QMAKE_CXXFLAGS += -isystem ../../external/libmythdvdnav/dvdread
+INCLUDEPATH += ../../external/libmythdvdnav/dvdnav
+INCLUDEPATH += ../../external/libmythdvdnav/dvdread
 INCLUDEPATH += ../../external/libmythbluray
 INCLUDEPATH += ../../external/libmythsoundtouch
 INCLUDEPATH += ../../external/libudfread