--- gdb/configure.orig	2016-10-07 19:09:21.000000000 +0200
+++ gdb/configure	2016-10-18 11:11:30.452542000 +0200
@@ -14256,9 +14256,8 @@
 
 # These options work in either C or C++ modes.
 build_warnings="-Wall -Wpointer-arith \
--Wno-unused -Wunused-value -Wunused-function \
--Wno-switch -Wno-char-subscripts \
--Wempty-body -Wunused-but-set-parameter -Wunused-but-set-variable"
+-Wno-unused -Wno-switch -Wno-char-subscripts \
+-Wempty-body"
 
 # Now add in C and C++ specific options, depending on mode.
 if test "$enable_build_with_cxx" = "yes"; then
@@ -14266,8 +14265,7 @@
 -Wno-narrowing"
 else
    build_warnings="$build_warnings -Wpointer-sign -Wmissing-prototypes \
--Wdeclaration-after-statement -Wmissing-parameter-type \
--Wold-style-declaration -Wold-style-definition"
+-Wdeclaration-after-statement -Wold-style-definition"
 fi
 
 # Enable -Wno-format by default when using gcc on mingw since many