Re: ff build failure on NetBSD

Hi Tim,
./configure did some checks.
It found png.h ...yes
then it did a search to see if the png library exists.
libpng is checked to see if it contains the function "png_init_io"
since ./configure cannot find "png_init_io", it decided that this version of 
libpng is not usable. This could be due to an old png library that does not 
contain png_init_io, or if you added a more up to date library, but it is 
not able to be found using configure's AC_SEARCH_LIBS() instruction.

Where is your libpng library located on NetBSD?
example:
/usr/include/libpng
/usr/include/libpng/png.h
/usr/include/libpng/pngconf.h
/usr/lib/libpng.a
/usr/lib/libpng.so
/usr/lib/libpng.so.5



On May 12, 2015 08:16:31 PM Frank Trampe wrote:
> Hi, Tim.
> 
> Are the headers (libpng/png.h and libpng/pngconf.h) present in the
> include path?
> 
> On Tue, May 12, 2015 at 8:32 AM, <[email protected]> wrote:
> > Relevant steps and file sections follow.
> > 
> > 
> > -bash-4.3$ AMTAR=`which gtar` ./bootstrap
> > 
> > 
> > -bash-4.3$ CPPFLAGS="-I/usr/pkg/include" LDFLAGS="-L/usr/pkg/lib"
> > ./configure
> > 
> > 
> > checking Build with JPEG support?... yes
> > checking png.h usability... yes
> > checking png.h presence... yes
> > checking for png.h... yes
> > checking for library containing png_init_io... no
> > checking Build with PNG support?... no
> > checking tiffio.h usability... yes
> > checking tiffio.h presence... yes
> > checking for tiffio.h... yes
> > checking for library containing TIFFRewriteField... no
> > checking for library containing TIFFClose... -ltiff
> > checking Build with TIFF support?... yes
> > checking for LIBCAIRO... yes

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