[LEDE-DEV] [PATCH] fix uClibc-ng scanf check

[John Crispin]

Hi Waldemar

On 03/06/2016 04:23, Waldemar Brodkorb wrote:
> uClibc-ng tries to be compatible with GNU libc and defines
> __GLIBC__ and pretend to be version 2.2.
> We once changed it to 2.10, but then some hard to fix problems
> in different software packages (gcc) occured.
> It would be better if we disable the special GNU libc checks
> for uClibc-ng here. uClibc-ng implements the required scanf
> functionality.
> 
> Signed-off-by: Waldemar Brodkorb <wbx at uclibc-ng.org>
> ---
>  configure.ac | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/configure.ac b/configure.ac
> index f36b18c..4661c0d 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -581,7 +581,7 @@ AC_CACHE_VAL([scanf_cv_alloc_modifier],
>       #include <stdio.h>
>       #include <unistd.h>
>  
> -     #ifdef __GLIBC__
> +     #if defined(__GLIBC__) && !defined(__UCLIBC__)
>  
>       #if !(__GLIBC_PREREQ(2, 7))
>       #error %m is not available
> 


this is the raw patch. please send a patch that adds this patch at the
right place inside the tree.

	John