Patch to inject the fortifying and hardening flags in the
qmake flags.

--- a/colorcode.pro
+++ b/colorcode.pro
@@ -8,6 +8,11 @@
 
 QT += widgets
 
+QMAKE_CPPFLAGS *= $(shell dpkg-buildflags --get CPPFLAGS)
+QMAKE_CFLAGS   *= $(shell dpkg-buildflags --get CFLAGS)
+QMAKE_CXXFLAGS *= $(shell dpkg-buildflags --get CXXFLAGS)
+QMAKE_LFLAGS   *= $(shell dpkg-buildflags --get LDFLAGS)
+
 # Input
 HEADERS += about.h \
            background.h \
 