Re: [PATCH] Re: libtool-2.4.2 is fine but libtool-2.4.6 very slow.

Hello Pavel.

Thank you for your advice.
Workaround worked perfectly!!.
https://github.com/groonga/groonga/commit/7d7a62a2fba74334b23d0021a9a9e78da046b21c

Thanks.


2015年9月19日(土) 17:09 Pavel Raiskup <[email protected]>:

> Hi Hiroyuki Sato,
>
> On Wednesday 02 of September 2015 16:00:34 Hiroyuki Sato wrote:
> > This configure.ac is extreme slow on libtool-2.4.6.
> > But It run smoothly on libtool-2.4.2.
> > https://github.com/groonga/groonga/blob/master/configure.ac
>
> thanks for reproducer!
>
> This _really_ looks like issue mentioned [1], though the thread is
> believed to be resolved (with existing small slowdown between
> libtool-2.4.5 and 2.4.2).  Let me CC Robert whether this patch does not
> actually fix the "1 sec" slowdown of libtoolize.
>
> > Could you tell me how to fix this problem?.
>
> You can workaround/fix this by:
> -m4_define([nginx_version], m4_include(nginx_version))
> -NGINX_VERSION=nginx_version
> +NGINX_VERSION=m4_include([nginx_version])
>
> See the "recursion" in 'nginx_version' definition.  Its not recursion
> usually (because nginx_version is not defined in the time of m4_define)
> -- but libtoolize script does 'm4_undefine(m4_include)' before
> evaluating configure.ac.
>
> > Is this libtool's Bug?
>
> I would say so, see the attached patch I'll push very soon (if there are
> no objections).
>
> > * OS OSX 10.10.5. and CentOS7
>
> Should be IMO reproducible everywhere.
>
> [1] http://lists.gnu.org/archive/html/libtool/2015-02/msg00000.html
>
> Thanks, Pavel
> ------
>
> > Thanks.
> >
> > libtool-2.4.6
> >
> >   time /tmp/libtool246/bin/libtoolize --verbose --copy --force
> >   libtoolize: found 'configure.ac'
> >   libtoolize: export M4='/usr/bin/gm4'
> >
> >   It takes around 10 minutes.
> >
> > libtool-2.4.2
> >
> >   time /tmp/libtool242/bin/libtoolize --verbose --copy --force
> >   libtoolize: rm -f './ltmain.sh'
> >   libtoolize: putting auxiliary files in `.'.
> >   libtoolize: copying file from
> `/tmp/libtool242/share/libtool/config/ltmain.sh'
> >   libtoolize: rm -f './libtool.m4'
> >   libtoolize: rm -f './ltoptions.m4'
> >   libtoolize: rm -f './ltsugar.m4'
> >   libtoolize: rm -f './ltversion.m4'
> >   libtoolize: rm -f './lt~obsolete.m4'
> >   libtoolize: Not copying `./argz.m4', libltdl not used.
> >   libtoolize: putting macros in `.'.
> >   libtoolize: copying file from
> `/tmp/libtool242/share/aclocal/libtool.m4'
> >   libtoolize: Not copying `./ltdl.m4', libltdl not used.
> >   libtoolize: copying file from
> `/tmp/libtool242/share/aclocal/ltoptions.m4'
> >   libtoolize: copying file from
> `/tmp/libtool242/share/aclocal/ltsugar.m4'
> >   libtoolize: copying file from
> `/tmp/libtool242/share/aclocal/ltversion.m4'
> >   libtoolize: copying file from
> `/tmp/libtool242/share/aclocal/lt~obsolete.m4'
> >   libtoolize: Consider adding `AC_CONFIG_MACRO_DIR([m4])' to
> configure.ac and
> >   libtoolize: rerunning libtoolize, to keep the correct libtool macros
> in-tree.
> >
> >   real 0m1.003s
> >   user 0m0.364s
> >   sys 0m0.540s
> >
> >
> >
>

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