Re: Issue: TORCS won't link libpng on Ubuntu 13.10

Hi Toms

Wow, cool, thank you very much. Did you just rename it for the build 
process or permanently? Could you post your output of "torcs -l"?

Kind regards

Bernhard Wymann

On 05/19/2014 01:16 PM, ajavibp wrote:
> Toms Lēšmanis <lithe08 <at> inbox.lv> writes:
>
>>
>>
>> Hi,1. "nm /usr/lib/x86_64-linux-gnu/libpng.a | grep create_info_struct" on
> ./lib/x86_64-linux-gnu/libpng.a gives:
>>    00000000000002e0 T png_create_info_structSo it's defined there.2. locate
> libpng* gives:/lib/i386-linux-gnu/libpng12.so.0/lib/i386-linux-
> gnu/libpng12.so.0.49.0/lib/x86_64-linux-gnu/libpng12.so.0/lib/x86_64-linux-
> gnu/libpng12.so.0.49.0/usr/lib/x86_64-linux-gnu/libpng.a/usr/lib/x86_64-
> linux-gnu/libpng.so/usr/lib/x86_64-linux-gnu/libpng12.a/usr/lib/x86_64-
> linux-gnu/libpng12.so/usr/lib/x86_64-linux-gnu/libpng12.so.0the file command
> gives:/lib/x86_64-linux-gnu/libpng12.so.0: symbolic link to
> `libpng12.so.0.49.0'/lib/x86_64-linux-gnu/libpng12.so.0.49.0: ELF 64-bit LSB
> shared object, x86-64, version 1 (SYSV), dynamically linked,
> BuildID[sha1]=0x01b6604fb7db9154179ae8f67378fe56b0791a3f,
> stripped/usr/lib/x86_64-linux-gnu/libpng.so: symbolic link to
> `libpng12.so'/usr/lib/x86_64-linux-gnu/libpng12.so: symbolic link to
> `libpng12.so.0'/usr/lib/x86_64-linux-gnu/libpng12.so.0: symbolic link to
> `/lib/x86_64-linux-gnu/libpng12.so.0'So it all comes down to this one file
> /lib/x86_64-linux-gnu/libpng12.so.0.49.0And all the files have the
> "png_create_info_struct"Does this give you anything?Thanks,ReinisQuoting
> Bernhard Wymann <berniw <at> bluewin.ch> : Hi Tom This looks good: > When I
> do "nm -D ./lib/x86_64-linux-gnu/libpng12.so | grep > create_info_struct", I
> get: > 0000000000003e80 T png_create_info_struct > So it's defined there. >
> COMPILER_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.8/:/usr/lib/gcc/x86_64-linux-
> gnu/4.8/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-
> gnu/4.8/:/usr/lib/gcc/x86_64-linux-gnu/ > LIBRARY_PATH=/usr/lib/gcc/x86_64-
> linux-gnu/4.8/:/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-
> gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/:/lib/x86_64-linux-
> gnu/:/lib/../lib/:/usr/lib/x86_64-linux-
> gnu/:/usr/lib/../lib/:/usr/lib/gcc/x86_64-linux-
> gnu/4.8/../../../:/lib/:/usr/lib/ But this is suspect: 1. ./lib/x86_64-
> linux-gnu/libpng.a I do not have this on my system, what does nm on this
> file say (without the "-D" option this time, because it is a static
> library), maybe it tries to link with the static version (your output does
> not indicate this, but check it anyway). > P.S. when I do "ldd png_test" [my
> sample program], I get the following: > linux-vdso.so.1 =>
> (0x00007fff2bbc0000) > libpng12.so.0 => /lib/x86_64-linux-gnu/libpng12.so.0
>> (0x00007f651a44f000) > libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
> (0x00007f651a087000) > libz.so.1 => /usr/local/lib/libz.so.1
> (0x00007f6519e6a000) > libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6
> (0x00007f6519b66000) > /lib64/ld-linux-x86-64.so.2 (0x00007f651a68e000) 2.
> The libpng here seems to be in /lib/..., where the former one was in
> /usr/lib, could you check if this is the same file (symbolic/hard link?)
> Does the file in lib has the symbol as well (check this as well with nm)?
> Which packages do these files belong to, are these in the same one? Kind
> regards Bernhard
>>
>>
>>
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>
>
> Hello,
> I had the same problem, but I renamed /lib/x86_64-linux-gnu/libpng12.so.0
> and /lib/x86_64-linux-gnu/libpng12.so.0.49.0 to *.bak and make works fine!
>
>
>
>
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