Re: About building packages in porterbox

[Aron Xu <happyaron.xu@gmail.com>]

On Sat, May 19, 2012 at 4:38 PM, Aron Xu <happyaron.xu@gmail.com> wrote:
> On Sat, May 19, 2012 at 4:12 PM, Colin Tuckley <colint@debian.org> wrote:
>>
>> The problem on armel:
>>
>> /usr/lib/gcc/arm-linux-gnueabi/4.6/../../../arm-linux-gnueabi/libpciaccess.so:
>> undefined reference to `gzopen64@ZLIB_1.2.3.3'
>>
>> Looks like it might be the same problem as mentioned here:
>>
>> http://forums.fedoraforum.org/showthread.php?t=228945
>>
>> Which turns out to be an Ubuntu specific version of zlib which includes
>> gzopen64.
>>
>
> $ objdump -T /usr/lib/i386-linux-gnu/libz.so.1.2.7 | grep gzopen
> 0000d720 g    DF .text  00000016  Base        gzopen
> 0000d740 g    DF .text  00000016  ZLIB_1.2.3.3 gzopen64
>
> $ objdump -T /usr/lib/x86_64-linux-gnu/libz.so.1.2.7 | grep gzopen
> 000000000000d7f0 g    DF .text  000000000000000d  Base        gzopen
> 000000000000d800 g    DF .text  000000000000000d  ZLIB_1.2.3.3 gzopen64
>
> $ grep gzopen64 /usr/include/zlib.h
>   ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
> #    define z_gzopen z_gzopen64
> #    define gzopen gzopen64
>     ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
>
>

Note: Information above is collected on clean Sid chroots.

I encountered a similar issue with shelxle (1.0.551-1)[1] on mipsel
recently, but rebuilding on mipsel porterbox didn't give more hint
because the build was successful.

[1]https://buildd.debian.org/status/package.php?p=shelxle

-- 
Regards,
Aron Xu