Fix hard-coded paths and cxxflags for qmake.
Index: ui/TextSuggest-C++.pro
--- ui/TextSuggest-C++.pro.orig
+++ ui/TextSuggest-C++.pro
@@ -5,7 +5,7 @@
 TEMPLATE = app
 TARGET = textsuggest
 INCLUDEPATH += .
-INCLUDEPATH += /usr/include/dbus-c++-1
+INCLUDEPATH += ${LOCALBASE}/include/dbus-c++-1
 LIBS += -ldbus-c++-1
 
 QT += core
@@ -13,7 +13,7 @@ QT += widgets
 
 #CONFIG += debug
 
-QMAKE_CXXFLAGS += -Ofast -ggdb3 -fstack-protector-all -fno-omit-frame-pointer -std=c++14
+QMAKE_CXXFLAGS += -std=c++11
 
 # The following define makes your compiler warn you if you use any
 # feature of Qt which has been marked as deprecated (the exact warnings