-echo BuildFlavour=quick > mk/build.mk
-echo HADDOCK_DOCS=YES >> mk/build.mk
-cat mk/build.mk.sample >> mk/build.mk
+echo "BuildFlavour = quick" > mk/build.mk
+echo "HADDOCK_DOCS = YES" >> mk/build.mk
+cat mk/build.mk.sample >> mk/build.mk
+echo "SRC_HC_OPTS += -Werror" >> mk/build.mk
+echo "SRC_CC_OPTS += -Werror" >> mk/build.mk