clang: 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 <phcoder@google.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Vladimir Serbinenko 2019-03-25 17:43:18 +01:00 committed by Daniel Kiper
parent 63d568ed2e
commit 4dace5f60e

View file

@ -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
#