AC_HEADER_MAJOR vs. glibc 2.25(-to-be)

[Florian Weimer]

On 09/01/2016 06:37 AM, Nick Bowler wrote:

> It seems that the simplest short term solution is to just not use
> -Werror when building packages.  Other than the warning, the header
> detection worked, and the test is behaving as documented, right?

-Werror does not work because warnings from autoconf test snippets are 
fairly common.  Many of them are not valid C code at all, and GCC 
increasingly detects that (for example, “warning: conflicting types for 
built-in function”).

Florian