HEADS-UP: Planning on deprecating libc_r for 6.0

Giorgos Keramidas keramida at freebsd.org
Wed Apr 13 07:42:08 PDT 2005


On 2005-04-13 07:36, Scott Long <scottl at samsco.org> wrote:
> All,
>
> Now that we've had working KSE for 2 years, I'm planning to declare that
> libc_r will be deprecated in 6.0 [...]
>
> One question that has come up is how to warn the user at runtime about
> this deprecation.  Should the dynamic linker print a message to stderr
> when it gets a request to load libc_r?  Should it go to the console
> and/or syslog instead?  Should there be a way to disable these messages
> so as not to break wrapper programs that might be confused by the
> output?  Should we even bother at all with runtime warnings?

How about modifying the dynamic linker to print a warning to stderr,
much like mktemp(3), but let the user disable it by setting an
environment variable, like LD_WARN_LIBC_R_DISABLE or similar?



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