[MPlayer-users] cross compile for ARM platform to support alsa and directfb

[JD]

George, here is what I found out:

Since source and destination drives are not identical, you cannot
use DD even if you are dd'ing partition to partition. The reason is
that the two drives will not have the same block map. If the booter
is expecting some info to be at some particular block number, it will
probably not be there on the cloned destination. Sometimes, absolute
block numbers are used (i.e. from start of track0, sector 0). So,
non-identical drives will not work. This is also the same with
the secondary and tertiary booters in /boot/grub.

So, the gist of what I am gathering from various sources is that
non-identical drives should not be cloned via dd.


Ivan Cheng wrote:
> Thanks for your reply.
>
> In my target board, alsa version is
> cat /proc/asound/version
> Advanced Linux Sound Architecture Driver Version 1.0.18rc3.
>
> and from the configure.log:
>
> 1316 #include <alsa/asoundlib.h>
> 1317 #if !((SND_LIB_MAJOR == 1) && (SND_LIB_MINOR == 0))
> 1318 #error "alsa version != 1.0.x"
> 1319 #endif
> 1320 int main(void) { return 0; }
> 1321
> 1322 gcc -Wall -Wno-switch -Wpointer-arith -Wredundant-decls -O4   -pipe
> -ffast-math -fomit-frame-pointer
> -I/home/ivancheng/project/ltib/rootfs/usr/include/  -static
> -L/home/ivancheng/project/ltib/rootfs/usr/lib/     -o
> /tmp/mplayer-conf-1690-32085 /tmp/mplayer-conf-28369-3     2085.c -lasound
> -ldl -lpthread
> 1323
> /opt/usr/local/gcc-4.1.2-glibc-2.5-nptl-3/arm-none-linux-gnueabi/lib/gcc/arm-no
> ne-linux-gnueabi/4.1.2/../../../../arm-none-linux-gnueabi/bin/ld: cannot
> find -lasound
> 1324 collect2: ld returned 1 exit status
>
> It looks like it is my toolchain that is not set up correctly....
>
> Thanks anyway.
>
> Ivan
>
>
> On Fri, Jun 19, 2009 at 3:06 AM, just4emmett <just4emmett at yahoo.com> wrote:
>
>   
>>> I want to cross compile it for ARM platform, where it target to support
>>> alsa and directfb.  But it is configured to unsupported when I compile it,
>>> even if I configured with  --enable-alsa --enable-directfb.  Any ideas?
>>>       
>> I don't think --enable-alsa will work.  When you invoke configure, add the
>> following options that point to the target files, not the host.  That way
>> configure can autodetect the correct environment.
>>
>> --with-extralibdir=/path/to/lib/files/on/target
>> --with-extraincdir=/path/to/include/files/on/target
>>
>> I also used the following configure options for cross-compiling:
>>
>> --enable-cross-compile
>> --cc=your-target-gcc
>> --host-cc=/usr/bin/gcc
>>
>> Hope this helps!
>>
>>
>>
>>
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>>     
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