From e2d6e8ef4f190273b6fcc848575f37f2c37dc89d Mon Sep 17 00:00:00 2001
From: Alon Levy <alevy@redhat.com>
Date: Mon, 17 Jan 2011 01:26:39 +0200
Subject: [PATCH] configure.ac: use AC_LANG_SOURCE in AC_COMPILE_IFELSE,
 silence remaining warnings

---
 configure.ac | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 9b5385d6..9159b4ab 100644
--- a/configure.ac
+++ b/configure.ac
@@ -309,7 +309,7 @@ AC_DEFUN([SPICE_CC_TRY_FLAG], [
   spice_save_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $1"
 
-  AC_COMPILE_IFELSE([ ], [spice_cc_flag=yes], [spice_cc_flag=no])
+  AC_COMPILE_IFELSE([AC_LANG_SOURCE([ ])], [spice_cc_flag=yes], [spice_cc_flag=no])
   CFLAGS="$spice_save_CFLAGS"
 
   if test "x$spice_cc_flag" = "xyes"; then
@@ -430,13 +430,13 @@ dnl -fvisibility stuff
 
 have_gcc4=no
 AC_MSG_CHECKING(for -fvisibility)
-AC_COMPILE_IFELSE([
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #if defined(__GNUC__) && (__GNUC__ >= 4)
 #else
 error Need GCC 4.0 for visibility
 #endif
 int main () { return 0; }
-], have_gcc4=yes)
+])], have_gcc4=yes)
 
 if test "x$have_gcc4" = "xyes" -a ! "$os_win32" = "yes" ; then
    VISIBILITY_HIDDEN_CFLAGS="-fvisibility=hidden"