Updating digikam to 4.6.0 and adding libpgf.

4.6.0 fixes the build with current gcc/glibc, and libpgf was a new requirement.

(cherry picked from commit 91b63783e1cd28801c69c4c28a0e320de0500787)

pkgs/applications/graphics/digikam/default.nix

···
 { stdenv, fetchurl, cmake, qt4, kdelibs, automoc4, phonon, qimageblitz, qca2, eigen,
 lcms, jasper, libgphoto2, kdepimlibs, gettext, soprano, libjpeg, libtiff,
 liblqr1, lensfun, pkgconfig, qjson, libkdcraw, opencv, libkexiv2, libkipi, boost,
-shared_desktop_ontologies, marble, mysql }:
+shared_desktop_ontologies, marble, mysql, libpgf }:
 
 stdenv.mkDerivation rec {
-  name = "digikam-4.4.0";
+  name = "digikam-4.6.0";
 
   src = fetchurl {
     url = "http://download.kde.org/stable/digikam/${name}.tar.bz2";
-    sha256 = "1sflh3i989f9xi4qym3rzcrx7ahrjf1n9si8c5q05dgm039a4s2w";
+    sha256 = "0id3anikki8c3rzqzapdbg00h577qwybknvkbz1kdq0348bs6ixh";
   };
 
   nativeBuildInputs = [ cmake automoc4 pkgconfig ];
 
   buildInputs = [ qt4 kdelibs phonon qimageblitz qca2 eigen lcms libjpeg libtiff
     jasper libgphoto2 kdepimlibs gettext soprano liblqr1 lensfun qjson libkdcraw
-    opencv libkexiv2 libkipi boost shared_desktop_ontologies marble mysql ];
+    opencv libkexiv2 libkipi boost shared_desktop_ontologies marble mysql libpgf ];
 
   # Make digikam find some FindXXXX.cmake
   KDEDIRS="${marble}:${qjson}";

pkgs/development/libraries/libpgf/default.nix

···
+{ stdenv, fetchurl, autoconf, automake, libtool, dos2unix }:
+
+with stdenv.lib;
+
+let
+  version = "6.14.12";
+in
+stdenv.mkDerivation {
+  name = "libpgf-${version}";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/libpgf/libpgf-src-${version}.tar.gz";
+    sha256 = "1ssqjbh6l5jc04f67n47m9bqcigl46c6lgyabyi6cabnh1frk9dx";
+  };
+
+  buildInputs = [ autoconf automake libtool dos2unix ];
+
+  preConfigure = "dos2unix configure.ac; sh autogen.sh";
+
+# configureFlags = optional static "--enable-static --disable-shared";
+
+  meta = {
+    homepage = http://www.libpgf.org/;
+    description = "Progressive Graphics Format";
+    license = stdenv.lib.licenses.lgpl21Plus;
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   libpipeline = callPackage ../development/libraries/libpipeline { };
 
+  libpgf = callPackage ../development/libraries/libpgf { };
+
   libpng = callPackage ../development/libraries/libpng { };
   libpng_apng = libpng.override { apngSupport = true; };
   libpng12 = callPackage ../development/libraries/libpng/12.nix { };