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Date: Sun, 22 Nov 2009 13:02:43 +0100
From: Ingo Molnar <mingo@elte.hu>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>, Paul Mackerras <paulus@samba.org>,
       Frederic Weisbecker <fweisbec@gmail.com>,
       Arnaldo Carvalho de Melo <acme@redhat.com>,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf tools: support static build
Message-ID: <20091122120243.GA6217@elte.hu>
References: <20091029152002.GA5406@redhat.com>
 <20091104110604.GE13194@elte.hu>
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 <20091122112726.GC13644@redhat.com>
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* Michael S. Tsirkin <mst@redhat.com> wrote:

> Seems to work fine here on a 32 bit Fedora,
> provided that I supply NO_64BIT (my kernel
> is 64 bit with 32 bit userspace).
> 
> So this worked for me:
> [perf]$ $make -s -j LDFLAGS=-static NO_64BIT=yes 
> Makefile:498: No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231
> PERF_VERSION = 0.0.2.PERF
> Makefile:498: No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231
>     * new build flags or prefix
> /usr/lib/gcc/i586-redhat-linux/4.4.1/../../../libpthread.a(libpthread.o): In function `sem_open':
> (.text+0x69ea): warning: the use of `mktemp' is dangerous, better use `mkstemp'
> [perf]$ ldd perf
>         not a dynamic executable
>
> Ingo, could you please apply my debugging patch and then run with V=2?

Still doesnt work here (on a 32-bit/32-bit system, F11) - i've applied 
your debug patch and added V=2:

 earth4:~/tip/tools/perf> make -s -j LDFLAGS=-static NO_64BIT=yes V=2
 /usr/bin/ld: cannot find -lpthread
 collect2: ld returned 1 exit status
 Makefile:493: *** No libelf.h/libelf found, please install 
 libelf-dev/elfutils-libelf-devel and glibc-dev[el].  Stop.

> Btw, why is it a good idea to force 64/32 bit mode?
> Why not use the default gcc mode?

Sure, we could do that - mind sending a patch for that?

	Ingo