[PATCH] configure.ac: Use nostdlib when checking for nostdinc

[Vladimir 'phcoder' Serbinenko]

>From 3269baa84c370e22a1cbda9b8cdeed7906b42631 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <address@hidden>
Date: Mon, 25 Mar 2019 16:09:04 +0100
Subject: [PATCH] configure.ac: Use nostdlib when checking for nostdinc

With clang nostdinc behaviour is influenced by nostdlib. Since we
always add nostdlib, add it in test as well

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

diff --git a/configure.ac b/configure.ac
index 05d040cd6..2f53a5683 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1395,7 +1395,7 @@ AC_SUBST(TARGET_NMFLAGS_DEFINED_ONLY)
 if test "$platform" != emu; then
 AC_CACHE_CHECK([whether -nostdinc -isystem works], [grub_cv_cc_isystem], [
   SAVED_CPPFLAGS="$CPPFLAGS"
-  CPPFLAGS="$TARGET_CPPFLAGS -nostdinc -isystem `$TARGET_CC
-print-file-name=include`"
+  CPPFLAGS="$TARGET_CPPFLAGS -nostdlib -nostdinc -isystem `$TARGET_CC
-print-file-name=include`"
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>
 #include <stddef.h>
 int va_arg_func (int fixed, va_list args);]], [[]])],
-- 
2.11.0


-- 
Regards
Vladimir 'phcoder' Serbinenko