diff -up doxygen-1.8.9.1/addon/doxywizard/Makefile.in.config doxygen-1.8.9.1/addon/doxywizard/Makefile.in
--- doxygen-1.8.9.1/addon/doxywizard/Makefile.in.config	2014-10-19 16:39:17.000000000 +0200
+++ doxygen-1.8.9.1/addon/doxywizard/Makefile.in	2015-01-21 16:27:20.207772693 +0100
@@ -10,7 +10,6 @@
 # See the GNU General Public License for more details.
 # 
 
-QMAKE=$(QTDIR)/bin/qmake $(MKSPECS)
 INCBUFSIZE=$(PYTHON) ../../src/increasebuffer.py
 
 all: Makefile.doxywizard  
diff -up doxygen-1.8.9.1/configure.config doxygen-1.8.9.1/configure
--- doxygen-1.8.9.1/configure.config	2015-01-04 12:00:55.000000000 +0100
+++ doxygen-1.8.9.1/configure	2015-01-21 16:27:20.207772693 +0100
@@ -362,9 +362,10 @@ if test "$f_wizard" = YES; then
   if test -z "$QTDIR"; then
     echo "  QTDIR environment variable not set!"
     printf "  Checking for Qt..."
-    for d in /usr/{lib,share,qt}/{qt-4,qt4,qt,qt*,4} /usr; do
+    for d in /usr/{lib64,lib,share,qt}/{qt-4,qt4,qt,qt*,4} /usr; do
       if test -x "$d/bin/qmake"; then
         QTDIR=$d
+        QMAKE=$d/bin/qmake
         break 2
       fi
     done
@@ -771,6 +772,8 @@ INSTTOOL  = $f_insttool
 DOXYDOCS  = ..
 DOCDIR    = $f_docdir
 QTDIR     = $QTDIR
+QMAKE     = $QMAKE
+MAN1DIR    = share/man/man1
 EOF
 
 if test "$f_dot" != NO; then
diff -up doxygen-1.8.9.1/Makefile.in.config doxygen-1.8.9.1/Makefile.in
--- doxygen-1.8.9.1/Makefile.in.config	2014-11-13 21:22:20.000000000 +0100
+++ doxygen-1.8.9.1/Makefile.in	2015-01-21 16:27:20.208772683 +0100
@@ -73,8 +73,6 @@ distclean: clean
 
 DATE=$(shell date "+%B %Y")
 
-MAN1DIR = man/man1
-
 install: doxywizard_install doxysearch_install
 	$(INSTTOOL) -d $(DESTDIR)$(INSTALL)/bin
 	$(INSTTOOL) -m 755 bin/doxygen        $(DESTDIR)$(INSTALL)/bin
diff -up doxygen-1.8.9.1/tmake/lib/linux-g++/tmake.conf.config doxygen-1.8.9.1/tmake/lib/linux-g++/tmake.conf
--- doxygen-1.8.9.1/tmake/lib/linux-g++/tmake.conf.config	2014-10-24 11:51:54.000000000 +0200
+++ doxygen-1.8.9.1/tmake/lib/linux-g++/tmake.conf	2015-01-21 16:28:28.488140021 +0100
@@ -11,7 +11,7 @@ TMAKE_CC		= gcc
 TMAKE_CFLAGS		= -pipe -fsigned-char
 TMAKE_CFLAGS_WARN_ON	= -Wall -W 
 TMAKE_CFLAGS_WARN_OFF	=
-TMAKE_CFLAGS_RELEASE	= -O3
+TMAKE_CFLAGS_RELEASE	= $(RPM_OPT_FLAGS)
 TMAKE_CFLAGS_DEBUG	= -g
 TMAKE_CFLAGS_SHLIB	= -fPIC
 TMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
@@ -27,12 +27,12 @@ TMAKE_CXXFLAGS_YACC	= $$TMAKE_CFLAGS_YAC
 
 TMAKE_INCDIR		=
 TMAKE_LIBDIR		=
-TMAKE_INCDIR_X11	= /usr/X11R6/include
-TMAKE_LIBDIR_X11	= /usr/X11R6/lib
-TMAKE_INCDIR_QT		= $(QTDIR)/include
-TMAKE_LIBDIR_QT		= $(QTDIR)/lib
-TMAKE_INCDIR_OPENGL	= /usr/X11R6/include
-TMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
+TMAKE_INCDIR_X11	=
+TMAKE_LIBDIR_X11	=
+TMAKE_INCDIR_QT		=
+TMAKE_LIBDIR_QT		=
+TMAKE_INCDIR_OPENGL	=
+TMAKE_LIBDIR_OPENGL	=
 
 TMAKE_LINK		= g++
 TMAKE_LINK_SHLIB	= g++