linux app port, "version `GLIBC_2.4' not found"

[Beech Rintoul]

On Monday 04 February 2008, Dmitry Marakasov said:
> * Beech Rintoul (beech at freebsd.org) wrote:
> > > I'm trying to port a linux app, and it says:
> > >
> > > % ./app
> > > ./app: /lib/obsolete/linuxthreads/libc.so.6: version
> > > `GLIBC_2.4' not found (required by ./app)
> > >
> > > Seems like linux_base-fc4 is too old for this application, as
> > > it requires glibc 2.4. Is there a way to indicate in a port
> > > that newer linux_base is needed?
> >
> > From bsd.port.mk:
> >
> > # USE_LINUX		- Set to yes to say the port needs the default linux
> > base port.
> > #				  Set to value <X>, if the port needs
> > emulators/linux_base-<X>. #				  If set to "7", a dependency is
> > registered to
> > 		                  emulators/linux_base.
> > #				  Implies appropriate settings for STRIP and STRIP_CMD.
>
> Yes, but this info seems a bit outdated for me.
> First, there's no linux_base-7. Besides fc4 there's fc6 and f7,
> what should I use? 
fc6, f7

> Also, what'll happen if user has linux_base-fc4 
> installed already? Seems to me that it would be better to check for 
> linux glibc >=2.4 and ask user to reinstall newer linux_base if
> it's not found.
> The problem is there are no examples for this, everyone just use
> LINUX_BASE=yes.

You can do that as well, however I suggest reading through the linux 
options in bsd.port.mk.

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