wlroots: init at 2017-10-31

In preparation for Sway 1.0 which will use wlroots instead of wlc.

pkgs/development/libraries/wlroots/default.nix

···
+{ stdenv, fetchFromGitHub, meson, ninja, pkgconfig
+, wayland, mesa_noglu, wayland-protocols, libinput, libxkbcommon, pixman
+, xcbutilwm, libX11, libcap
+}:
+
+let pname = "wlroots";
+    version = "unstable-2017-10-31";
+in stdenv.mkDerivation rec {
+  name = "${pname}-${version}";
+
+  src = fetchFromGitHub {
+    owner = "swaywm";
+    repo = "wlroots";
+    rev = "7200d643363e988edf6777c38e7f8fcd451a2c50";
+    sha256 = "179raymkni1xzaph32zdhg7nfin0xfzrlnbnxkcr266k9y8k66ac";
+  };
+
+  # TODO: Temporary workaround for compilation errors
+  patches = [ ./libdrm.patch ./no-werror.patch ];
+
+  nativeBuildInputs = [ meson ninja pkgconfig ];
+
+  buildInputs = [
+    wayland mesa_noglu wayland-protocols libinput libxkbcommon pixman
+    xcbutilwm libX11 libcap
+  ];
+
+  meta = with stdenv.lib; {
+    description = "A modular Wayland compositor library";
+    inherit (src.meta) homepage;
+    license     = licenses.mit;
+    platforms   = platforms.linux;
+    maintainers = with maintainers; [ primeos ];
+  };
+}

pkgs/development/libraries/wlroots/libdrm.patch

···
+--- a/backend/meson.build	2017-10-31 22:08:01.112927610 +0100
++++ b/backend/meson.build	2017-10-31 22:09:28.155264343 +0100
+@@ -43,5 +43,5 @@
+ 	'wlr_backend',
+ 	backend_files,
+ 	include_directories: wlr_inc,
+-	dependencies: [wayland_server, egl, gbm, libinput, systemd, elogind, wlr_render, wlr_protos],
++	dependencies: [wayland_server, egl, gbm, libinput, systemd, elogind, wlr_render, wlr_protos, drm],
+ )

pkgs/development/libraries/wlroots/no-werror.patch

···
+--- a/meson.build	2017-10-31 22:08:01.132927689 +0100
++++ b/meson.build	2017-10-31 22:20:58.215784350 +0100
+@@ -5,7 +5,6 @@
+ 	default_options: [
+ 		'c_std=c11',
+ 		'warning_level=2',
+-		'werror=true',
+ 	],
+ )
+ 

pkgs/top-level/all-packages.nix

···
   spectrwm = callPackage ../applications/window-managers/spectrwm { };
 
   wlc = callPackage ../development/libraries/wlc { };
+  wlroots = callPackage ../development/libraries/wlroots { };
   orbment = callPackage ../applications/window-managers/orbment { };
   sway = callPackage ../applications/window-managers/sway { };
   swaylock = callPackage ../applications/window-managers/sway { };