Re: building pahole on Ubuntu 8.04 AMD64

[Thomas Girard <thomas.g.girard-GANU6spQydw@public.gmane.org>]

Hello,

Le jeudi 20 mars 2008 à 17:51 -0300, Arnaldo Carvalho de Melo a écrit :
> Em Thu, Mar 20, 2008 at 03:02:44PM -0500, Florin Iucha escreveu:
> > Hi Arnaldo,
> > 
> > I'm trying to build the pahole tools on Ubuntu 8.04 AMD64 and I'm
> > getting a build error:
> > 
> > $ make
> > [  5%] Building C object CMakeFiles/dwarves.dir/dwarves.o
> > [ 11%] Building C object CMakeFiles/dwarves.dir/ctf_loader.o
> > [ 17%] Building C object CMakeFiles/dwarves.dir/libctf.o
> > [ 23%] Building C object CMakeFiles/dwarves.dir/dwarf_loader.o
> > Linking C shared library libdwarves.so
> > /usr/bin/ld:
> > /usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib64/libdw.a(dwarf_begin.o):
> > relocation R_X86_64_32 against `a local symbol' can not be used when
> > making a shared object; recompile with -fPIC
> > /usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib64/libdw.a: could
> > not read symbols: Bad value
> > collect2: ld returned 1 exit status
> > make[2]: *** [libdwarves.so.1.0.0] Error 1
> > make[1]: *** [CMakeFiles/dwarves.dir/all] Error 2
> > make: *** [all] Error 2
> > 
> > I grepped for -fPIC and it seems to be passed on the command line for
> > many of the sources.  I'm using libdw-dev version 0.131-3 and binutils
> > 2.18.1~cvs20080103-0uubuntu1 as packaged by Ubuntu.
> 
> Strange, looks like you have libdw-dev 32bits installed? can you check
> that? I.e. that cmake is not mixing somehow libraries?
> 
> Also I'm adding dwarves-u79uwXL29TY76Z2rM5mHXA@public.gmane.org to the CC list, you don't have to
> subscribe, but it would be a good idea, there are more people there that
> I know have built this code on ubuntu/debian and that could be of more
> help than me, that use debian rarely :-\ 

elfutils in Debian does not provide libdw as a shared library, only as a
static one.

I'm on my way to update dwarves in Debian from 1.3 to 1.6. It would
probably be easier to ask for an Ubuntu merge after that.

Regards,

Thomas


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