Re: AC_REPLACE_FUNCS is not -Werror safe

[Ralf Corsepius]

On 06/21/2011 06:46 AM, Kamaraju Kusumanchi wrote:
> I am unable to compile gdb-7.2 using gcc-4.6 with the -Werror option
> on a Debian sid machine. When I reported the bug to gdb maintainers as
> http://sourceware.org/bugzilla/show_bug.cgi?id=12891 , they informed
> me that the bug is actually in autoconf package. It seems libiberty in
> gdb-7.2 uses AC_REPLACE_FUNCS and apparently this is not -Werror safe.

The answer is simple: You must not pass -Werror to configure scripts, 
because many autoconf checks are based on compile checks applying 
"crude" code, which occasionally trigger warnings but are not supposed 
to issue errors.

That said, if this -Werror originates from gdb's configury, it's a bug 
in their package's usage of autoconf, if this -Werror originates from 
your command-line, the origin of this issue is you ;)

Ralf