Re: [PATCH] _AC_PROG_CXX_STDCXX_EDITION_TRY: fix typo in variable name

[Eric Blake]

On Fri, May 14, 2021 at 09:06:20AM +0300, Emanuele Giaquinta wrote:
> The typo causes "ac_prog_cxx_stdcxx" to be always set to "cxx11",
> regardless of whether the C++ compiler supports C++11.
> ---
>  lib/autoconf/c.m4 | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4
> index 9f881f0b..47434c89 100644
> --- a/lib/autoconf/c.m4
> +++ b/lib/autoconf/c.m4
> @@ -2749,8 +2749,8 @@ AC_DEFUN([_AC_PROG_CXX_STDCXX_EDITION_TRY],
>  [AC_REQUIRE([_AC_CXX_CXX$1_TEST_PROGRAM])]dnl
>  [AS_IF([test x$ac_prog_cxx_stdcxx = xno],
>  [AC_MSG_CHECKING([for $CXX option to enable C++$1 features])
> -AC_CACHE_VAL(ac_cv_prog_cxx_$1,
> -[ac_cv_prog_cxx_$1=no
> +AC_CACHE_VAL(ac_cv_prog_cxx_cxx$1,
> +[ac_cv_prog_cxx_cxx$1=no

I had to read more context to see that this name matches the comments
above and the resulting _AC_COMPILE_IFELSE below, but agree that it is
correct.  Thanks; I've pushed it in your name.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
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