File highlight-3.30-use_optflags.patch of Package highlight

diff -up highlight-3.30/src/makefile.orig highlight-3.30/src/makefile
--- src/makefile.orig	2016-07-06 19:30:36.100010149 +0200
+++ src/makefile	2016-07-06 19:31:54.433504417 +0200
@@ -13,12 +13,11 @@
 # See src/gui-qt/highlight.pro for the Qt GUI compilation options
 
 CXX=g++
-
-# was: qmake-qt5
-QMAKE=qmake
+QMAKE=qmake-qt5
 
 # Added -std=c++11 because of auto_ptr to unique_ptr transition
-CFLAGS:=-Wall -O2 ${CFLAGS} -DNDEBUG -std=c++11
+OPTFLAGS=-O2
+CFLAGS:=-Wall -DNDEBUG -std=c++11 $(OPTFLAGS)
 #CFLAGS:=-ggdb ${CFLAGS}
 
 CFLAGS_DILU=-fno-strict-aliasing
@@ -113,7 +112,7 @@ gui-qt: highlight-gui
 
 highlight-gui: libhighlight.a ${GUI_OBJECTS}
 	cd gui-qt && \
-	${QMAKE} 'DEFINES+=DATA_DIR=\\\"${HL_DATA_DIR}\\\" CONFIG_DIR=\\\"${HL_CONFIG_DIR}\\\" DOC_DIR=\\\"${HL_DOC_DIR}\\\" ' && \
+	${QMAKE} QMAKE_CXXFLAGS="$(OPTFLAGS)" 'DEFINES+=DATA_DIR=\\\"${HL_DATA_DIR}\\\" CONFIG_DIR=\\\"${HL_CONFIG_DIR}\\\" DOC_DIR=\\\"${HL_DOC_DIR}\\\" ' && \
 	$(MAKE)
 
 $(OBJECTFILES) : makefile