Re: cannot make gcc report undeclared builtins

"Zack Weinberg" <[email protected]>
Newsgroups gmane.comp.sysutils.autoconf.bugs
Message-ID <[email protected]> 
On Wed, Jan 31, 2024, at 6:23 AM, Simon Josefsson via Bug reports for autoconf wrote:
> I got this failure on a loong64 machine for libidn2 that was
> bootstrapped with autoconf 2.72:
>
> checking for gcc options needed to detect all undeclared functions... 
> cannot detect
> configure: error: in `/<<PKGBUILDDIR>>/build':
> configure: error: cannot make gcc report undeclared builtins

Can you please grab config.log from this failure and post it here?
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