Re: Note for building gd wiwith libpng-1.4

[Manfred S. <man...@gm...>]

Am Sonntag, den 07.03.2010, 11:54 +0900 schrieb Tatsuro MATSUOKA:
> Hello
> 
> This is just a note for those who try to build the libgd with libpng-1.4.
> 
> I have update the libpng version of which is 1.4.
> >>From the libpng-1.4, the function 'png_check_sig' is removed.
> The change makes the libgd building in failure.
> 
> ./.libs/libgd.a(gd_png.o):gd_png.c:(.text+0xd20): undefined reference to `png_check_sig'
> 
>   The function png_check_sig can be replaced as 
>       replace
>         png_check_sig(buf, 8)
>       with
>         png_sig_cmp(buf, 0, 8) == 0
> http://www.libpng.org/pub/png/src/libpng-1.2.x-to-1.4.x-summary.txt
> 
> A patch has been posted the below,
> http://bugs.libgd.org/?do=details&task_id=218&histring=png_check_sig


It is already in libgd, see http://bitbucket.org/pierrejoye/gd-libgd-20/

You can get the most recent checkout under
http://bitbucket.org/pierrejoye/gd-libgd-20/get/tip.tar.gz


Cheers,
Manfred


> 
> Regards
> 
> Tatsuro
> 
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