Re: warning _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM

[Paul Eggert]

On 11/25/20 5:09 AM, Mohammad Akhlaghi wrote:
> I just pulled the recent changes from Gnulib's 'master' branch and bootstrapped 
> Gnuastro (which uses Gnulib) on my Arch GNU/Linux operating system.
>
> But I got many warnings related to '_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM' in 
> 'error.h' and 'argp.h'. 

I'm not seeing this with Fedora 33 x86-64 (see attached). I used gnuastro commit 
c70f16c8f13ccdb8ad606a33a526846180748284 (Wed Nov 25 21:32:37 2020 +0000) and 
Gnulib commit 90e79512d8b385801218d6e9c4d88ff77186560b (Thu Nov 26 22:13:20 2020 
+0100).

I see that Bruno recently fixed some problems in this area in Gnulib, and 
possibly this is contributing to the problem, whatever it is.

I suggest bootstrapping from scratch with the latest Gnulib, and (if that 
doesn't work) investigating why bootstrapped/lib/stdio.h's definition of 
_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM isn't working for you.

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