Am Freitag 22 Januar 2010 schrieb Daniel Isenmann: > -------- Original-Nachricht -------- > > > Datum: Fri, 22 Jan 2010 11:27:16 +0100 > > Von: Tobias Powalowski <[email protected]> > > An: Public mailing list for Arch Linux development > > <[email protected]> Betreff: Re: [arch-dev-public] wesnoth > > issue with png > > > > Am Freitag 22 Januar 2010 schrieb Daniel Isenmann: > > > -------- Original-Nachricht -------- > > > > > > > Datum: Fri, 22 Jan 2010 11:18:35 +0100 > > > > Von: "Daniel Isenmann" <[email protected]> > > > > An: Public mailing list for Arch Linux development > > > > <[email protected]> Betreff: Re: [arch-dev-public] > > > > wesnoth issue with png > > > > > > > > > > > > -------- Original-Nachricht -------- > > > > > > > > > Datum: Fri, 22 Jan 2010 11:10:02 +0100 > > > > > Von: Tobias Powalowski <[email protected]> > > > > > An: Public mailing list for Arch Linux development > > > > > > > > <[email protected]> > > > > > > > > > Betreff: [arch-dev-public] wesnoth issue with png > > > > > > > > > > Hi guys need some help on wesnoth, > > > > > tools/exploder_utils.cpp: In function 'void save_image(surface, > > > > const > > > > > > > std::string&)': > > > > > tools/exploder_utils.cpp:177: error: 'png_voidp_NULL' was not > > > > declared > > > > > > in > > > > > > > > > this > > > > > scope > > > > > tools/exploder_utils.cpp:178: error: 'png_error_ptr_NULL' was not > > > > > > > > declared > > > > > > > > > in > > > > > this scope > > > > > make[2]: *** [tools/exploder_utils.o] Error 1 > > > > > > > > > > affected codepart: > > > > > png_struct* png_ptr = png_create_write_struct > > > > > (PNG_LIBPNG_VER_STRING, (png_voidp)png_voidp_NULL, > > > > > png_error_ptr_NULL, png_error_ptr_NULL); > > > > > > > > > > > > > > > snip from changelog of 1.4 libpng > > > > > b. We removed the typecasted NULL definitions such as > > > > > > > > > > #define png_voidp_NULL (png_voidp)NULL > > > > > > > > > > If you used these in your application, just use NULL instead. > > > > > > > > > > so what should i add? > > > > > > > > > > thanks > > > > > greetings > > > > > tpowa > > > > > > > > Just what the changelog say, use NULL. So change the method to: > > > > > > > > png_struct* png_ptr = png_create_write_struct > > > > (PNG_LIBPNG_VER_STRING, (png_voidp)NULL, > > > > png_error_ptr_NULL, png_error_ptr_NULL); > > > > > > > > Maybe you have to change "the png_error_ptr_NULL" to NULL also. > > > > > > > > > > > > Daniel > > > > > > Was there something mentioned about the "png_error_ptr_NULL" in the > > > changelog? Because this is also affected. I have overseen the error > > > message from the compiler for it. > > > > no, no mention about it setting to NULL makes it compile though. > > Yeah, that's for sure. Both "png_error_ptr_NULL" are pointers and pointers > can be NULL. So compilation works. But if they are something special > (which I don't believe, because they have NULL in their names) it can > crash. > > I don't think it's a good idea to set both just to NULL. I can have a > closer look into the sourcecode this evening at home and maybe can give > you the right answer. > > Daniel > So starting wesnoth still doesn't work it just says cannot open png files. I'll check if an other lib causes this. greeitng tpowa
-- Tobias Powalowski Archlinux Developer & Package Maintainer (tpowa) http://www.archlinux.org [email protected]
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