[gimp] Dockerfile for building GIMP 2.9.x

[Michael Schumacher <schumaml src gnome org>]

commit 613d3b0893f1cd079ff07ede4dcedbaff9007435
Author: Michael Schumacher <schumaml gmx de>
Date:   Mon Sep 4 22:55:36 2017 +0200

    Dockerfile for building GIMP 2.9.x
    
    This is a first try at creating a docker-based build environment for GIMP.
    
    The file has grown alongside building babl, GEGL, libmypaint and GIMP on a RHEL host running Docker. The 
main purpose of this image will be to serve as a base for building packages like Flatpak, AppImage and 
others, and serving them from download.gimp.org
    
    it is not optimized at all, pulls in some extra packages, misses some optional dependencies, builds as 
root, ...

 build/docker/gimpbuilder-base/Dockerfile |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/build/docker/gimpbuilder-base/Dockerfile b/build/docker/gimpbuilder-base/Dockerfile
new file mode 100644
index 0000000..8a01104
--- /dev/null
+++ b/build/docker/gimpbuilder-base/Dockerfile
@@ -0,0 +1,12 @@
+# gimpbuilder-base
+
+FROM debian:testing
+
+ENV PREFIX=/export/output
+ENV PATH=$PREFIX/bin:$PATH
+ENV PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig:$PKG_CONFIG_PATH
+
+RUN apt-get update
+
+# Installing the build environment
+RUN apt-get install -y build-essential devscripts fakeroot quilt dh-make automake libdistro-info-perl less 
nano intltool libglib2.0-dev libjson-c-dev libjson-glib-dev libgexiv2-dev libcairo2-dev libpango1.0-dev 
libjpeg62-turbo-dev xsltproc gtk-doc-tools libgtk2.0-dev libtiff5-dev libbz2-dev liblzma-dev librsvg2-dev 
liblcms2-dev python-cairo-dev python-gtk2-dev