[Spice-devel] [PATCH 1/1] configure.ac: use AC_LANG_SOURCE in AC_COMPILE_IFELSE, silence remaining warnings

[Uri Lublin]

On 01/17/2011 01:27 AM, Alon Levy wrote:
> ---
>   configure.ac |    6 +++---
>   1 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index 8719f32..740abe7 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -314,7 +314,7 @@ 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$spice_cc_flag" = "xyes"; then
> @@ -435,13 +435,13 @@ dnl -fvisibility stuff
>
>   have_gcc4=no
>   AC_MSG_CHECKING(for -fvisibility)
> -AC_COMPILE_IFELSE([
> +AC_COMPILE_IFELSE([AC_LANG_SOURCE([
>   #if defined(__GNUC__)&&  (__GNUC__>= 4)
>   #else
>   error Need GCC 4.0 for visibility
>   #endif
>   int main () { return 0; }
> -], have_gcc4=yes)
> +])], have_gcc4=yes)
>
>   if test "x$have_gcc4" = "xyes" -a ! "$os_win32" = "yes" ; then
>      VISIBILITY_HIDDEN_CFLAGS="-fvisibility=hidden"


ACK.