Aleksandar Kuktin wrote:
>> On Sun, 26 Jun 2011 13:13:18 -0500
>> Bruce Dubbs <bruce.du...@gmail.com> wrote:
>
>> Andrew Benton wrote:
>>> The current patch tests if ${prefix}/lib/libc.so.6 exists and then
>>> it gets the version of libc from /lib/libc.so.6, the one installed
>>> on the host...
>
>> I'm not sure why the change was made in 2008, but it has worked fine
>> since then. The patch is only used in Chapter 5. What problem are
>> we solving by making a change?
>>
>> -- Bruce
>
> The problem with the current patch, perl-5.{whatever}-libc-1.patch,
> is that it wants to check the version of libc installed in $prefix, as
> opposed to checking the version of libc in /lib, which perl does by
> default.
>
> But it does not do that.
>
> -if test -L /lib/libc.so.6; then
> +if test -L ${prefix}/lib/libc.so.6; then # 1
> libc=`ls -l /lib/libc.so.6 | awk '{print $NF}'` # 2
> - libc=/lib/$libc
> + libc=${prefix}/lib/$libc # 3
> fi
>
> In 1, it checks to see if there is a libc in $prefix. Then, in 2 it
> checks the version of /lib/libc (!), and uses that knowledge in 3 to
> build a path to $prefix libc.
I think you are right.
It looks like the change was made by Robert three years ago (between
perl-5.8.8 and perl-5.10.0) and then propagated to newer versions of the
patch.
I also see a change in
http://wiki.linuxfromscratch.org/patches/browser/trunk/perl/perl-5.10.1-libc-1.patch
by Matt.
I'll be glad to change this if it was an inadvertent change, but I'd
like to confirm that first.
Matt?
-- Bruce
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