From 771d276b2787491dcae4164d1497e5ae14d50dfc Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Mon, 1 Feb 2016 20:52:16 -0800
Subject: [PATCH] configure: enable -Wunused-function by default

when INLINE is defined and mips is not being targeted. otherwise keep
the old --enable-extra-warnings behavior

Change-Id: Iba576edbe5fca03efa56ce99eee11f9cafc573ad
---
 configure | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 5fbd2d002..095cddf2d 100755
--- a/configure
+++ b/configure
@@ -600,7 +600,11 @@ process_toolchain() {
           ;;
           *) check_add_cflags -Wunused-but-set-variable ;;
         esac
-        enabled extra_warnings || check_add_cflags -Wno-unused-function
+        if enabled mips || [ -z "${INLINE}" ]; then
+          enabled extra_warnings || check_add_cflags -Wno-unused-function
+        else
+          check_add_cflags -Wunused-function
+        fi
     fi
 
     if enabled icc; then