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Re: [libvirt] [PATCH] Use AC_LINK_IFELSE



On Thu, Jul 18, 2013 at 06:44:03PM +0200, Guido Günther wrote:
> instead of the deprecated AC_TRY_LINK
> ---
>  configure.ac | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 5d5c8de..0f0b265 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -893,13 +893,14 @@ if test "$with_libvirtd" = "no" ; then
>    with_lxc=no
>  fi
>  if test "$with_lxc" = "yes" || test "$with_lxc" = "check"; then
> -    AC_TRY_LINK([
> +    AC_LINK_IFELSE([AC_LANG_PROGRAM(
> +    [[
>          #include <sched.h>
>          #include <linux/loop.h>
>          #include <sys/epoll.h>
> -    ], [
> +    ]], [[
>          unshare (!(LO_FLAGS_AUTOCLEAR + EPOLL_CLOEXEC));
> -    ], [
> +    ]])], [
>          with_lxc=yes
>         AC_DEFINE([HAVE_DECL_LO_FLAGS_AUTOCLEAR], [1],
>           [Define to 1 if you have the declaration of `LO_FLAGS_AUTOCLEAR',

When was AC_LINK_IFELSE first introduced to autoconf ?


Daniel
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