Re: HEADS UP: libkse -> libpthread switch

From: David Schultz (das_at_FreeBSD.ORG)
Date: 02/05/04

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    Date: Wed, 4 Feb 2004 23:24:22 -0800
To: Scott Long <scottl@FreeBSD.ORG>

    On Fri, Jan 30, 2004, Scott Long wrote:
    > Jacques A. Vidrine wrote:
    > >On Fri, Jan 30, 2004 at 07:34:02AM -0500, Daniel Eischen wrote:
    > >
    > >> Until
    > >> the ports system is updated to handle this change, it is
    > >> recommended that folks install an /etc/libmap.conf(5) that
    > >> maps libc_r to libpthread.
    > >
    > >
    > >Why, exactly? (curious)
    > >
    > >IMHO it is unacceptable to require /etc/libmap.conf to exist. I know
    > >this is temporary, but I hope it is *really* temporary.
    > >
    > >Cheers,
    >
    > We certainly are not going to ship 5.3 like this. However, given that
    > HEAD is a development branch and that change does not happen
    > instantly, I think that this fine for now.

    Actually, installing a libmap.conf mapping libc_r to libpthread by
    default in 5.3 might be *less* painful than the alternative.
    Otherwise, an application compiled after the change that links
    against a multithreaded library compiled before the change might
    depend on both libc_r.so and libpthread.so, which would inevitably
    cause things to go wrong at runtime. Without a libmap.conf, it
    would seem that users would be forced to upgrade all of their
    applications and libraries that depend on libc_r simultaneously.

    P.S. In grepping through the next few days of -CURRENT, which I
         haven't read yet, it seems that someone has already been
         bitten by this problem. See Subject: wxgtk build error
         libpthred related
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