HEADS-UP: Planning on deprecating libc_r for 6.0

[Scott Long]

Giorgos Keramidas wrote:
> 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?
> 

Are there any sorts of pre-defined ELF sections that we could put
deprecation info into and have the linker print it out?  That way
controls could be commonized for future use.

Scott