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[Libunwind-devel] Re: libunwind on x86 issues

From: Jörn Engel
Subject: [Libunwind-devel] Re: libunwind on x86 issues
Date: Thu, 4 Jun 2009 20:05:59 +0200
User-agent: Mutt/1.5.13 (2006-08-11)

David proposed sending the mail to Arun.  Arun, I take it you are the
current maintainer of libunwind?

On Thu, 4 June 2009 19:23:21 +0200, Jörn Engel wrote:
> At first glance, libunwind looks like the perfect solution to my
> problem, which is essentially a userspace port of the linux kernel
> dump_stack() function.  But there are some problems...
> One of them is the mail server.  It responds to pings, but ports 25 and
> 80 are dead.  David, do you know the correct person to inform about
> this?
> Having binaries shipped with my distro (Debian) would be perfect, but
> they only have ia64 binaries.  So I tried to download the latest git and
> compile it myself.
> README explains the usual ./configure; make; make install procedure.
> But there is no ./configure.  README was last touched in 2007.  Not a
> good starting point, it appears.
> There is a, along with  However, no
> documentation about the usage and my memories are faint.  And painful -
> I had hoped never to touch autoconf/automake again.  Oh well, here we
> go.
> $ autoconf
> error: possibly undefined macro: AM_INIT_AUTOMAKE
>       If this token and others are legitimate, please use
> m4_pattern_allow.
>       See the Autoconf documentation.
> error: possibly undefined macro: AM_MAINTAINER_MODE
> error: possibly undefined macro: AM_CONFIG_HEADER
> error: possibly undefined macro: AM_PROG_LIBTOOL
> error: possibly undefined macro: AM_PROG_AS
> error: possibly undefined macro: AM_PROG_CC_C_O
> error: possibly undefined macro: AM_CONDITIONAL
> Not a good sign.  Maybe it works in spite of the problems.
> $ ./configure 
> configure: error: cannot find install-sh or in config "."/config
> Doesn't look much better.  And I won't even try to understand what went
> wrong.  autoconf/automake internals are a pain I can happily live
> without.  So maybe automake works in spite of these discouraging
> messages?
> $ automake
> [249 lines spewed at me.  I won't quote them all]
> About half of them look like purely informational (object `foo.lo'
> created by `bar/foo.c'), the other half look like error messages.  All
> on stderr.  No created and more importantly nothing remotely
> resembling a compiler was ever invoked.
> So how _do_ I build this library?
> At least this excursion explained the question of why there are no x86
> libunwind packages for debian.
> Jörn
> -- 
> Premature optimization is the root of all evil.
> -- Donald Knuth


You can take my soul, but not my lack of enthusiasm.
-- Wally

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