--- gdb/configure.orig 2017-09-14 09:28:17 UTC
+++ gdb/configure
@@ -15467,10 +15467,10 @@ fi
 
 # The options we'll try to enable.
 build_warnings="-Wall -Wpointer-arith \
--Wno-unused -Wunused-value -Wunused-function \
+-Wno-unused  \
 -Wno-switch -Wno-char-subscripts \
--Wempty-body -Wunused-but-set-parameter -Wunused-but-set-variable \
--Wno-sign-compare -Wno-narrowing -Wno-error=maybe-uninitialized \
+-Wempty-body \
+-Wno-sign-compare -Wno-narrowing \
 -Wno-mismatched-tags \
 -Wno-error=deprecated-register \
 -Wsuggest-override \
