How to get an unstripped amarok binary on Gentoo?

[Leon Weber]

Hello,

after I emerged amarok 1.4.6 on my Gentoo machine, it crashes at
startup, gdb tells it is a segfault, while it exits with status 0.

This is the backtrace I got:

	(gdb) bt
	#0  0xb68fc0f3 in QString::QString () from /usr/qt/3/lib/libqt-mt.so.3
	#1  0xb7b35818 in CollectionDB::CollectionDB () from
	/usr/kde/3.5/lib/libamarok.so.0
	#2  0xbfca5620 in ?? ()
	#3  0xb7f62508 in ?? ()
	#4  0xbfca55ec in ?? ()
	#5  0x00effb74 in ?? ()
	#6  0xb6a85630 in ?? () from /usr/qt/3/lib/libqt-mt.so.3
	#7  0x00000001 in ?? ()
	#8  0x7badbcd0 in ?? ()
	#9  0x00000000 in ?? ()

However, this is not very useful as the binary seems stripped. So the
next logical step is to get an unstripped binary because markey asked me
to send a more useful backtrace.
To make it short, I was not able to produce an unstripped amarok binary.
These are the things I did:
- USE="debug" (results in a configuration with --enable-debug=full)
- CFLAGS="-ggdb"
- FEATURES="nostrip"

These didn't help.

Then Flameeyes told me that the ??s could come from foreign binaries
like Qt or Xine, which I also recompiled with these flags. Didn't help.

My last try was to run
# ebuild /usr/portage/media-sound/amarok/amarok-1.4.6.ebuild unpack
# ebuild /usr/portage/media-sound/amarok/amarok-1.4.6.ebuild compile

There I pressed Ctrl+C when it was done patching and configuring and
started to compile.

# cd /var/tmp/portage/media-sound/amarok-1.4.6/work/amarok-1.4.6/

There I found that there are 154 Makefiles around. I didn't want to edit
them all, so I simply did the following, because I had seen a
STRIP = i686-pc-linux-gnu-strip line.

# mv /usr/bin/i686-pc-linux-gnu-strip /usr/bin/i686-pc-linux-gnu-strip_
# ln -s /bin/true /usr/bin/i686-pc-linux-gnu-strip

# make
# touch /var/tmp/portage/media-sound/amarok-1.4.6/.compiled
# ebuild /usr/portage/media-sound/amarok/amarok-1.4.6.ebuild install
# ebuild /usr/portage/media-sound/amarok/amarok-1.4.6.ebuild qmerge

Even this didn't help. Any ideas on how to get a meaningful backtrace
would be greatly appreciated, you know :)

Leon

-- 
Leon Weber, leon at leonweber.de
blog: https://leonweber.de/blog
jabber: leowe at jabber.ccc.de (icq: 261067046)
irc: LeonWP (irc.freenode.net)
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--
Anyway, you should learn German. It's no more difficult than regex. -- Richard Quinn
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