libverto: Add derivation

pkgs/development/libraries/libverto/default.nix

@@ -0,0 +1,41 @@
+{ stdenv, fetchurl, pkgconfig
+
+# Optional Dependencies
+, glib ? null, libev ? null, libevent ? null, tevent ? null, talloc ? null
+}:
+with stdenv;
+let
+  optGlib = shouldUsePkg glib;
+  optLibev = shouldUsePkg libev;
+  optLibevent = shouldUsePkg libevent;
+  optTevent = shouldUsePkg tevent;
+  optTalloc = shouldUsePkg talloc;
+in
+with stdenv.lib;
+stdenv.mkDerivation rec {
+  name = "libverto-0.2.6";
+
+  src = fetchurl {
+    url = "https://fedorahosted.org/releases/l/i/libverto/${name}.tar.gz";
+    sha256 = "17hwr55ga0rkm5cnyfiipyrk9n372x892ph9wzi88j2zhnisdv0p";
+  };
+
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ optGlib optLibev optLibevent ]
+    ++ optionals (optTevent != null && optTalloc != null) [
+      optTevent optTalloc
+    ];
+
+  postInstall = ''
+    # In v0.2.6 the shipped pkg-config files have an out of order
+    # declaration of exec_prefix breaking them. This fixes that issue
+    sed -i 's,''${exec_prefix},''${prefix},g' $out/lib/pkgconfig/*.pc
+  '';
+
+  meta = {
+    homepage = https://fedorahosted.org/libverto/;
+    license = licenses.mit;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ wkennington ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -7170,6 +7170,10 @@ let
 
   libvdpau = callPackage ../development/libraries/libvdpau { };
 
+  libverto = callPackage ../development/libraries/libverto {
+    glib = null; # Don't include fairly heavy dependency
+  };
+
   libvirt = callPackage ../development/libraries/libvirt { };
 
   libvirt-glib = callPackage ../development/libraries/libvirt-glib { };