--- calibre-3.27.1/build/pyqt/pictureflow/Makefile.orig	2018-10-11 03:36:41.303500447 +0200
+++ calibre-3.27.1/build/pyqt/pictureflow/Makefile	2018-10-11 03:37:21.952976765 +0200
@@ -13,7 +13,7 @@
 DEFINES       = -DQT_NO_DEBUG -DQT_PLUGIN -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED
 CFLAGS        = -pipe -O2 -Wall -W -D_REENTRANT -fPIC $(DEFINES)
 CXXFLAGS      = -pipe -O2 -Wall -W -D_REENTRANT -fPIC $(DEFINES)
-INCPATH       = -I/usr/lib64/qt4/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I/usr/include/python2.7 -I/usr/include/python2.7 -I../../../src/calibre/gui2/pictureflow -I.
+INCPATH       = -I/usr/lib64/qt4/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I/usr/include/python2.7 -I/usr/include/python2.7 -I../../../src/calibre/gui2/pictureflow -I. -I/usr/lib64/qt5/include/QtCore -I/usr/lib64/qt5/include/QtGui
 LINK          = g++
 LFLAGS        = -Wl,--version-script=pictureflow.exp -Wl,-O1 -shared
 LIBS          = $(SUBLIBS)  -L/usr/lib64 -lQtGui -L/usr/lib64 -L/usr/lib -lQtCore -lpthread