Re: Fix memoryleak in conftest.c

[Paul Eggert]

On 3/31/22 02:31, Raphael Isemann wrote:
> the obvious memory leak here is causing problems
> with a downstream compiler (the compiler is more strict about memory
> leaks and keeps generating warnings when used in autoconf projects
> that compile this file during configure)

Usually there's a way to suppress these false alarms, e.g., by 
configuring with the appropriate CFLAGS. It's not a bad idea to do that 
with mature code, as the leak diagnostics are typically more trouble 
than they're worth. The GNU Coding standards say,

"Memory analysis tools such as valgrind can be useful, but don’t 
complicate a program merely to avoid their false alarms. For example, if 
memory is used until just before a process exits, don’t free it simply 
to silence such a tool." 
<https://www.gnu.org/prep/standards/html_node/Memory-Usage.html>


All that being said, I installed the attached to try to help out, 
sometime in the distant future when everyone has upgraded to some future 
version of Autoconf.

0001-Work-around-memory-leak-false-alarms.patch
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