GNU bug report logs - #45849
Autoconf options and dependencies

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Package: grep; Severity: wishlist; Reported by: noloader@HIDDEN; dated Thu, 14 Jan 2021 00:06:01 UTC; Maintainer for grep is bug-grep@HIDDEN.
Severity set to 'wishlist' from 'normal' Request was from Paul Eggert <eggert@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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From: Jim Meyering <jim@HIDDEN>
Date: Fri, 6 Aug 2021 22:27:27 -0700
Message-ID: <CA+8g5KGW2PjnDN30_Kj=JPk4kVpUzDd-G0dfTRgbe7_f4Btc8A@HIDDEN>
Subject: Re: bug#45849: Autoconf options and dependencies
To: Jeffrey Walton <noloader@HIDDEN>
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On Thu, Jan 14, 2021 at 8:36 AM Jim Meyering <jim@HIDDEN> wrote:
> On Thu, Jan 14, 2021 at 6:29 AM Jeffrey Walton <noloader@HIDDEN> wrote:
> > I noticed Grep offers these two autoconf options (and friends):
> >
> >     --with-libiconv-prefix
> >     --with-libintl-prefix
> >
> > Configure does not complain when they are used.
> >
> > However, when I check link dependencies with ldd:
> >
> >     $ ldd /usr/local/bin/grep
> >         linux-vdso.so.1
> >         libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3
> >         libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
> >         libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
> >         /lib64/ld-linux-x86-64.so.2
> >
> > There seems to be no iConv dependencies, but there does seem to be
> > PCRE dependencies. (It may be time to bump to PCRE2 since PCRE is
> > end-of-life and the sources have some undefined behavior present).
> >
> > If I use --with-libpcre-prefix, then I get an autoconf warning:
> >
> >     WARNING: unrecognized options: --with-libpcre-prefix
> >
> > It looks like something is a bit sideways.
>
> Hi Jeffrey,
>
> Thanks for investigating. I haven't looked at the
> --with-libiconv-prefix or --with-libintl-prefix issues, but PCRE2
> (overdue, indeed) is on our radar. I expect that the switch to it will
> happen soon. That may serve as impetus for the next release.

Actually, PCRE2 is no longer an immediate priority.
The cost/value ratio seems too high for now, so unless someone else
does the work it's unlikely to change.
Information forwarded to bug-grep@HIDDEN:
bug#45849; Package grep. Full text available.

Message received at 45849 <at> debbugs.gnu.org:


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Subject: Re: bug#45849: Autoconf options and dependencies
To: Jeffrey Walton <noloader@HIDDEN>
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On Thu, Jan 14, 2021 at 6:29 AM Jeffrey Walton <noloader@HIDDEN> wrote:
> I noticed Grep offers these two autoconf options (and friends):
>
>     --with-libiconv-prefix
>     --with-libintl-prefix
>
> Configure does not complain when they are used.
>
> However, when I check link dependencies with ldd:
>
>     $ ldd /usr/local/bin/grep
>         linux-vdso.so.1
>         libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3
>         libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
>         libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
>         /lib64/ld-linux-x86-64.so.2
>
> There seems to be no iConv dependencies, but there does seem to be
> PCRE dependencies. (It may be time to bump to PCRE2 since PCRE is
> end-of-life and the sources have some undefined behavior present).
>
> If I use --with-libpcre-prefix, then I get an autoconf warning:
>
>     WARNING: unrecognized options: --with-libpcre-prefix
>
> It looks like something is a bit sideways.

Hi Jeffrey,

Thanks for investigating. I haven't looked at the
--with-libiconv-prefix or --with-libintl-prefix issues, but PCRE2
(overdue, indeed) is on our radar. I expect that the switch to it will
happen soon. That may serve as impetus for the next release.
Information forwarded to bug-grep@HIDDEN:
bug#45849; Package grep. Full text available.

Message received at submit <at> debbugs.gnu.org:


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Subject: Autoconf options and dependencies
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Hi Everyone,

I noticed Grep offers these two autoconf options (and friends):

    --with-libiconv-prefix
    --with-libintl-prefix

Configure does not complain when they are used.

However, when I check link dependencies with ldd:

    $ ldd /usr/local/bin/grep
        linux-vdso.so.1
        libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3
        libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
        /lib64/ld-linux-x86-64.so.2

There seems to be no iConv dependencies, but there does seem to be
PCRE dependencies. (It may be time to bump to PCRE2 since PCRE is
end-of-life and the sources have some undefined behavior present).

If I use --with-libpcre-prefix, then I get an autoconf warning:

    WARNING: unrecognized options: --with-libpcre-prefix

It looks like something is a bit sideways.

Jef
Acknowledgement sent to noloader@HIDDEN:
New bug report received and forwarded. Copy sent to bug-grep@HIDDEN. Full text available.
Report forwarded to bug-grep@HIDDEN:
bug#45849; Package grep. Full text available.
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