Bug#887601: libcamlimages-ocaml: Detect freetype using pkg-config

[Hideki Yamane <henrich@iijmio-mail.jp>]

Hi,

On Thu, 18 Jan 2018 11:19:18 +0000 Hugh McMaster <hugh.mcmaster@outlook.com> wrote:
> Package: libcamlimages-ocaml
> Version: 1:4.2.0-1.1+b3
> Severity: important
> 
> Dear Maintainer,
> 
> The next version of libfreetype6-dev will *not* ship the 'freetype-config'
> script.
> 
> Please use pkg-config to detect the freetype headers and libraries instead.

 I've prepared patches (and more update) at
 https://salsa.debian.org/ocaml-team/camlimages/merge_requests/2

 I'm not sure why but I cannot detect freetype header files with
 Check_header_library, so just specified pkg-config checks returns
 "true".

 Anyway, please check it.
 

-- 
Hideki Yamane <henrich@iijmio-mail.jp>