Am Dienstag, den 22.02.2011, 09:48 +0000 schrieb Colin Guthrie:
> 'Twas brillig, and Arun Raghavan at 21/02/11 20:31 did gyre and gimble:
> > On Sun, 2011-02-20 at 19:20 +0100, Paul Menzel wrote:
> >> Date: Sun, 20 Feb 2011 15:57:55 +0100
> >>
> >> Building PulseAudio 051d8213 [1] using OpenEmbedded with distribution `minimal-uclibc` for `MACHINE="om-gta01"` having an ARMv4T architecture (armv4t-oe-linux-uclibceabi) compilation fails with the following error.
> > [...]
> >> {standard input}:4099: Error: selected processor does not support Thumb mode `mla r3,r2,r6,r3'
> >> {standard input}:4114: Error: selected processor does not support Thumb mode `mla r3,r2,ip,r3'
> >> {standard input}:4125: Error: selected processor does not support Thumb mode `mla r3,r6,r2,r3'
> >> make[3]: *** [libbluetooth_sbc_la-sbc.lo] Error 1
> >>
> >> Apply the same fix as in [2], which is similar to the patch applied in OpenEmbedded since commit 976ab4b5 [3].
> >>
> >> [1] http://git.0pointer.de/?p=pulseaudio.git;a=commit;h=051d82133f0ae6a57bf66fd200bc8e3591a7d5ca
> >> [2] http://git.0pointer.de/?p=pulseaudio.git;a=commit;h=12b900858ae82d435c100d6eb94cb7bb22fe5e29
> >> [3] http://cgit.openembedded.org/cgit.cgi/openembedded/commit/?id=976ab4b4587d548c0483a274058c5359cb72bf1b
> >>
> >> Signed-off-by: Paul Menzel <paulepanter at users.sourceforge.net>
> >> CC: Marcel Holtmann <marcel at holtmann.org>
> >> ---
> >> I do not know if these files are just copied from linux-bluetooth upstream, so I am adding Marcel to CC anyway because he is mentioned in the copyright section.
> >
> > It does appear that the files are a copy of the bluez package. If we're
> > fixing this on the PulseAudio side, I think we should include something
> > like diff below configure.ac, so that we can actually verify that the
> > mla instruction is available for the arch being used.
> >
> > -- Arun
> >
> > ----
> > diff --git a/configure.ac b/configure.ac
> > index 08c947a..77e9823 100644
> > --- a/configure.ac
> > +++ b/configure.ac
> > @@ -257,13 +257,14 @@ case $host in
> > asm volatile ("ldr r0, %2 \n"
> > "ldr r2, %3 \n"
> > "ldr r3, %4 \n"
> > + "mla r4, r1, r2, r3 \n"
> > "ssat r1, #8, r0 \n"
> > "str r1, %0 \n"
> > "pkhbt r1, r3, r2, LSL #8 \n"
> > "str r1, %1 \n"
> > : "=m" (a), "=m" (b)
> > : "m" (a), "m" (b), "m" (c)
> > - : "r0", "r1", "r2", "r3", "cc");
> > + : "r0", "r1", "r2", "r3", "r4", "cc");
> > return (a == -128 && b == 0xaabbdddd) ? 0 : -1;
> > ]]),
> > [pulseaudio_cv_support_armv6=yes],
>
> Paul, can you confirm if this avoids the problem for you? If so, then
> Arun, can you make a proper patch? You can? Awesome, thanks :)
Does not Arun?s patch just improve the check for `HAVE_ARMV6`? My patch
just adds the check `if defined(HAVE_ARMV6)` to `sbc_math.h`. Without
that addition all the configure checks are not evaluated at all in
`sbc_math.h`.
Thanks,
Paul
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