[PATCH] Pair -Qn with -Qunused-arguments.

[Vladimir 'phcoder' Serbinenko]

>From fb3c8789bba1ef744acf950b0a36345d9d04e2e6 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <address@hidden>
Date: Mon, 25 Mar 2019 17:43:18 +0100
Subject: [PATCH] Pair -Qn with -Qunused-arguments.

When assembling module wirh clang -Qn ends up on command line but later ignored
To avoid it breaking the compile, add -Qunused-arguments.

Signed-off-by: Vladimir Serbinenko <address@hidden>
---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2f53a5683..8578d01b7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1228,12 +1228,12 @@ if test "x$target_cpu" = xarm; then
 fi

 AC_CACHE_CHECK([whether option -Qn works], grub_cv_target_cc_qn, [
-  CFLAGS="$TARGET_CFLAGS -Qn -Werror"
+  CFLAGS="$TARGET_CFLAGS -Qn -Qunused-arguments -Werror"
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
      [grub_cv_target_cc_qn=yes],
      [grub_cv_target_cc_qn=no])])
 if test "x$grub_cv_target_cc_qn" = xyes; then
-  TARGET_CFLAGS="$TARGET_CFLAGS -Qn"
+  TARGET_CFLAGS="$TARGET_CFLAGS -Qn -Qunused-arguments"
 fi

 #
-- 
2.11.0


-- 
Regards
Vladimir 'phcoder' Serbinenko