Re: [Gimp-developer] webp format?

2016-08-23 Thread Owen Cook 

Thanks, that did the trick. 


I built into /usr/local and I can now open webp format images.

The path in this debian based system includes /usr/local/bin. 



OWEN





> Sent: Tuesday, August 23, 2016 at 3:13 AM
> From: Ben 
> To: gimp-developer-list@gnome.org
> Subject: Re: [Gimp-developer] webp format?
>
> Hi Elle,
> 
> Yes all the libs are required to make webp work and animation on works 
> properly from 0.5.1+ and i used this to test builds for the plugin:
> 
> ./configure --enable-libwebpmux --enable-libwebpdemux 
> --enable-libwebpdecoder --enable-libwebpextras
> 
> Only the first three should be really required.
> 
> Ben
> 
> 
> On 08/22/2016 08:00 AM, gimp-developer-list-requ...@gnome.org wrote:
> >
> >> libwebp-0.5.1:
> >>
> >> WebP Configuration Summary
> >> --
> >>
> >> Shared libraries: yes
> >> Static libraries: yes
> >> Threading support: yes
> >> libwebp: yes
> >> libwebpdecoder: no
> >> libwebpdemux: no
> >> libwebpmux: no
> >> libwebpextras: no
> >>
> >>
> > Hmm, there is the problem:
> > 0050-INSTALL-libwebp-must-be-built-with-enable-libwebpmux.patch
> >
> > For whatever reason libwebp wasn't built with webpmux. Perhaps that's an
> > option that can be configured when installing libwebp.
> >
> 
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Re: [Gimp-developer] webp format?

2016-08-23 Thread Elle Stone 

On 08/22/2016 01:13 PM, Ben wrote:

Hi Elle,

Yes all the libs are required to make webp work and animation on works
properly from 0.5.1+ and i used this to test builds for the plugin:

./configure --enable-libwebpmux --enable-libwebpdemux
--enable-libwebpdecoder --enable-libwebpextras

Only the first three should be really required.

Ben


Ben, thanks! I finally got GIMP to compile with webp support.

Originally I had installed libwebp in /usr/local, without the 
above-listed options. But even after enabling the above-listed options 
and reinstalling, GIMP wouldn't compile - the build would fail when it 
got to the webp-save code, with the following terminal output:


file-webp-save.o: In function `WebPAnimEncoderOptionsInit':
/usr/local/include/webp/mux.h:454: undefined reference to 
`WebPAnimEncoderOptionsInitInternal'

file-webp-save.o: In function `save_animation':
build/gimp/plug-ins/file-webp/file-webp-save.c:494: undefined reference 
to `WebPAnimEncoderAdd'
build/gimp/plug-ins/file-webp/file-webp-save.c:512: undefined reference 
to `WebPAnimEncoderAdd'
build/gimp/plug-ins/file-webp/file-webp-save.c:514: undefined reference 
to `WebPAnimEncoderAssemble'
build/gimp/plug-ins/file-webp/file-webp-save.c:551: undefined reference 
to `WebPAnimEncoderDelete'
build/gimp/plug-ins/file-webp/file-webp-save.c:516: undefined reference 
to `WebPAnimEncoderGetError'

file-webp-save.o: In function `WebPAnimEncoderNew':
/usr/local/include/webp/mux.h:471: undefined reference to 
`WebPAnimEncoderNewInternal'


Uninstalling libwebp from /usr/local and installing it directly in the 
prefix in which GIMP is built allowed the build to finish, and now GIMP 
indeed can open and save webp files.


Does anyone know why GIMP couldn't find WebPAnimEncoder when libwebp was 
installed in /usr/local? Maybe I needed to tell GIMP to include 
/usr/local/lib or some such? Maybe something like this?

export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig"

Best,
Elle
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