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configure.ac: Use nostdlib when checking for nostdinc

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

Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Vladimir Serbinenko <phcoder@google.com>
This commit is contained in:
Vladimir Serbinenko 2019-03-25 16:09:04 +01:00 committed by Vincent Batts
parent 42786d0f4d
commit 9763a619a9
1 changed files with 1 additions and 1 deletions
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configure.ac
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@ -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);]], [[]])],