[bug#27774] [PATCH] gnu: add libgeotiff

[Arun Isaac]

Björn Höfling writes:

> On Sat, 22 Jul 2017 19:18:17 +0530
> Arun Isaac <address@hidden> wrote:
>
>> >> +   (arguments
>> >> +    `(#:configure-flags
>> >> +      `( ,(string-append "--with-zlib")
>> >> +         ,(string-append "--with-jpeg")
>> >> +         ,(string-append "--with-libtiff="
>> >> +                         (assoc-ref %build-inputs "libtiff")))  
>> 
>> I'm asking this out of ignorance more than anything else. Is this
>> (assoc-ref %build-inputs "libtiff") call required for
>> "--with-libtiff", when it is not required for "--with-zlib" and
>> "--with-jpeg"?
>
> Yes:
>
> If I leave it out (which was my first try anyway) I get this error message:
>
> /gnu/store/k7029k5va68lkapbzcycdzj7m5bjb4b8-bash-4.4.12/bin/bash ../libtool
>  --tag=CC   --mode=link gcc -I../ -Iyes -DHAVE_TIFF=1  -g -O2 -O3 -DNDEBUG
>    -o libxtiff.la  xtiff.lo  -lproj -Lyes -ltiff -ljpeg -lz -lm  
> ../libtool: line 6000: cd: yes: No such file or directory
>
> It seams the semantics for --with-libtiff is different than for the other
> libraries.

Ok.

>> Also, can we build this package with libjpeg-turbo, instead of
>> libjpeg? libjpeg-turbo claims to be faster, and many packages in Arch
>> and Parabola are built using libjpeg-turbo.
>
> Good catch. It should be API-compatible, available on all plattforms and
> Arch and Ubuntu (checked these) use is as dependency for libgeotiff.
>
> I will give it a try and hopefully will also pack a minimal version of
> GDAL to really make use of the library.

That's great!