Re: Hanging conftest

[Siddhesh Poyarekar]

On Tue, Dec 03, 2013 at 08:55:17PM -0700, Eric Blake wrote:
> MALLOC_CHECK_ in the environment at the start of ./configure affects
> hundreds or even thousands of processes.  mallopt() within a single
> conftest affects only the one process.  I found it slightly easier to
> use mallopt() within the conftest code than to figure out how to ensure
> I was injecting MALLOC_CHECK_ into the environment of the m4 code that
> runs the conftest program without also leaking into the environment of
> the rest of the configure script.

OK, thanks for explaining your use case.

> >  However, it looks like we don't do __malloc_check_init
> > for M_CHECK_ACTION, which is what initializes the additional checks.
> > Does anyone know if it is intentional?  It looks like a bug to me.
> 
> That's more a matter for glibc to decide; for now, all I was worried
> about was patching gnulib in a manner that would prevent configure from

Right, that question was in fact pointed at glibc maintainers.

Siddhesh