On Mon, 21 Mar 2011, Rainer Orth wrote:
> While investigating PR bootstrap/48135, it came up that the submitter
> had run into trouble bootstrapping with mpc 0.9.0. Unfortunately,
> install.texi when describing support library requirements always lists
> `(or later)' with the individual libraries.
>
> Users who don't have the minimal required library installed (or even
> those that do) often tend to build the latest release available instead
> of the minimum, which has often led to trouble in the past, e.g. with
> GMP 5.0.
>
> I've therefore added a paragraph in front of the support libraries
> explaining the situation and suggesting to stick with the exact versions
> mentioned. I've left the `(or later)' for the time being; we should
> further improve install.texi by listing ranges of known-good versions
> there.
>
> Ok for mainline and the 4.6 branch?
Ok.
Thanks,
Richard.
> Rainer
>
>
> 2011-03-19 Rainer Orth <r...@cebitec.uni-bielefeld.de>
>
> PR bootstrap/48135
> * doc/install.texi (Prerequisites): Move jar etc. up.
> Explain support library version requirements.
>
> diff -r c1a515add087 gcc/doc/install.texi
> --- a/gcc/doc/install.texi Sat Mar 19 10:25:56 2011 +0100
> +++ b/gcc/doc/install.texi Sat Mar 19 10:35:17 2011 +0100
> @@ -319,6 +319,20 @@
> Used by various scripts to generate some files included in SVN (mainly
> Unicode-related and rarely changing) from source tables.
>
> +@item @command{jar}, or InfoZIP (@command{zip} and @command{unzip})
> +
> +Necessary to build libgcj, the GCJ runtime.
> +
> +@end table
> +
> +Several support libraries are necessary to build GCC, some are required,
> +others optional. While any sufficiently new version of required tools
> +usually work, library requirements are generally stricter. Newer
> +versions may work in some cases, but it's safer to use the exact
> +versions documented. We appreciate bug reports about problems with
> +newer versions, though.
> +
> +@table @asis
> @item GNU Multiple Precision Library (GMP) version 4.3.2 (or later)
>
> Necessary to build GCC@. If you do not have it installed in your
> @@ -374,10 +388,6 @@
> In both cases @option{--with-cloog} configure option should be used
> if CLooG is not installed in your default library search path.
>
> -@item @command{jar}, or InfoZIP (@command{zip} and @command{unzip})
> -
> -Necessary to build libgcj, the GCJ runtime.
> -
> @end table
>
> @heading Tools/packages necessary for modifying GCC
>
>
>
--
Richard Guenther <rguent...@suse.de>
Novell / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746 - GF: Markus Rex
