Re: avoiding obsolete macros like AC_TRY_RUN

[Ralf Wildenhues]

Hello Sergey,

do you mind if I apply this patch which touches a file maintained by you?
<http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/18572/focus=18659>

Thanks,
Ralf

* Ralf Wildenhues wrote on Fri, Sep 04, 2009 at 08:50:11PM CEST:
[...]
> Sergey Poznyakoff for
> m4/argp.m4
[...]
> OK to commit?

>     Remove obsolete macros from modules not maintained by Bruno or Jim.
> 
>     * m4/argp.m4 (gl_ARGP): Replace obsolete Autoconf macros with
>     their modern counterparts.
[...]
> diff --git a/m4/argp.m4 b/m4/argp.m4
> index b2a6940..99b52ce 100644
> --- a/m4/argp.m4
> +++ b/m4/argp.m4
> @@ -1,4 +1,4 @@
> -# argp.m4 serial 10
> +# argp.m4 serial 11
>  dnl Copyright (C) 2003-2007, 2009 Free Software Foundation, Inc.
>  dnl This file is free software; the Free Software Foundation
>  dnl gives unlimited permission to copy and/or distribute it,
> @@ -32,20 +32,20 @@ AC_DEFUN([gl_ARGP],
>    # be defined and other not, I prefer to stay on the safe side and to
>    # test each one separately.
>    AC_MSG_CHECKING([whether program_invocation_name is defined])
> -  AC_TRY_LINK([#include <argp.h>],
> -              [ program_invocation_name = "test"; ],
> -              [ AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1],
> -                 [Define if program_invocation_name is defined])
> -                 AC_MSG_RESULT([yes])],
> -              [ AC_MSG_RESULT([no])] )
> +  AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <argp.h>]],
> +                                  [[ program_invocation_name = "test"; ]])],
> +                 [ AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1],
> +                    [Define if program_invocation_name is defined])
> +                    AC_MSG_RESULT([yes])],
> +                 [ AC_MSG_RESULT([no])] )
>  
>    AC_MSG_CHECKING([whether program_invocation_short_name is defined])
> -  AC_TRY_LINK([#include <argp.h>],
> -              [ program_invocation_short_name = "test"; ],
> -              [ AC_DEFINE([HAVE_PROGRAM_INVOCATION_SHORT_NAME], [1],
> -                 [Define if program_invocation_short_name is defined])
> -                 AC_MSG_RESULT([yes])],
> -              [ AC_MSG_RESULT([no])] )
> +  AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <argp.h>]],
> +                                  [[ program_invocation_short_name = "test"; 
> ]])],
> +                 [ AC_DEFINE([HAVE_PROGRAM_INVOCATION_SHORT_NAME], [1],
> +                    [Define if program_invocation_short_name is defined])
> +                    AC_MSG_RESULT([yes])],
> +                 [ AC_MSG_RESULT([no])] )
>  
>    AC_CHECK_DECLS_ONCE([clearerr_unlocked])
>    AC_CHECK_DECLS_ONCE([feof_unlocked])