On 04/18/2012 07:14 PM, Darrell Anderson wrote:
>> Now all we need is help with digikam libpng15 issues and
>> then I can fix the gcc47 build issues there. Implementing the libpng15 fixes
>> will take a more seasoned coder than I. Fixing build issues is one thing, but
>> implementing library changes - not even close..
> 
> Check the mail list archives. I posted a digikam patch about a week ago. Here:
> 
> http://humanreadable.nfshost.com/trinity/patches/digikam/digikam-libpng15.diff
> 
> No promises. As I mentioned previously, I only added preprocessor tests for the versions, as I did with the gwenview patch. Even if the updated patch fails, the preprocessor tests are needed anyway.
> 
> Darrell


Thanks Darrell,

  The preprocessor stuff works, but the digikam build still fails in the same
spot. I've looked and it's Greek to me. We need an experienced coder to take a
look at this one...

pngloader.cpp: In member function 'virtual bool Digikam::PNGLoader::load(const
TQString&, Digikam::DImgLoaderObserver*)':
pngloader.cpp:129:9: error: invalid use of incomplete type 'png_struct {aka
struct png_struct_def}'
In file included from ../../../../digikam/digikam/daboutdata.h:36:0,
                 from pngloader.cpp:51:
/usr/include/png.h:857:16: error: forward declaration of 'png_struct {aka struct
png_struct_def}'
pngloader.cpp: In member function 'virtual bool Digikam::PNGLoader::save(const
TQString&, Digikam::DImgLoaderObserver*)':
pngloader.cpp:540:9: error: invalid use of incomplete type 'png_struct {aka
struct png_struct_def}'
In file included from ../../../../digikam/digikam/daboutdata.h:36:0,
                 from pngloader.cpp:51:
/usr/include/png.h:857:16: error: forward declaration of 'png_struct {aka struct
png_struct_def}'
pngloader.cpp:677:39: warning: deprecated conversion from string constant to
'png_charp {aka char*}' [-Wwrite-strings]
pngloader.cpp: In member function 'long int
Digikam::PNGLoader::formatStringList(char*, size_t, const char*, __va_list_tag*)':
pngloader.cpp:985:55: warning: function might be possible candidate for
'gnu_printf' format attribute [-Wmissing-format-attribute]
pngloader.cpp: In member function 'virtual bool Digikam::PNGLoader::load(const
TQString&, Digikam::DImgLoaderObserver*)':
pngloader.cpp:96:41: warning: ignoring return value of 'size_t fread(void*,
size_t, size_t, FILE*)', declared with attribute warn_unused_result
[-Wunused-result]


-- 
David C. Rankin, J.D.,P.E.