Merge pull request #16582 from vrthra/xsw

xsw: init at 0.1.2

pkgs/applications/misc/xsw/default.nix

···
+{ stdenv, fetchFromGitHub, pkgconfig, autoconf, automake, SDL, SDL_image, SDL_ttf, SDL_gfx, flex, bison }:
+
+stdenv.mkDerivation rec {
+  name = "xsw-${version}";
+  version = "0.1.2";
+
+  src = fetchFromGitHub {
+    owner = "andrenho";
+    repo = "xsw";
+    rev = version;
+    sha256 = "092vp61ngd2vscsvyisi7dv6qrk5m1i81gg19hyfl5qvjq5p0p8g";
+  };
+
+  buildInputs = [ pkgconfig autoconf automake SDL SDL_image SDL_ttf SDL_gfx flex bison ];
+
+  patches = [
+    ./parse.patch # Fixes compilation error by avoiding redundant definitions.
+  ];
+
+  meta = with stdenv.lib; {
+    inherit (src.meta) homepage;
+    description = "A slide show presentation tool";
+
+    platforms = platforms.unix;
+    license  = licenses.gpl3;
+    maintainers = [ maintainers.vrthra ];
+  };
+}

pkgs/applications/misc/xsw/parse.patch

···
+The `%code` causes Color definition to be added in both parser.h and parser.c
+causing duplicate definitions error. This ensures that once it has been included
+as part of parser.h, it wont be redefined in parser.c
+
+--- xsw-0.1.2-src/src/parser.y	1969-12-31 16:00:01.000000000 -0800
++++ xsw-0.1.2-src/src/parser.y	2016-06-28 13:21:35.707027770 -0700
+@@ -38,7 +38,13 @@
+ 
+ %}
+ 
+-%code requires { typedef struct { unsigned char c; } Color; }
++%code requires
++{
++#ifndef COLORDEF
++#define COLORDEF
++typedef struct { unsigned char c; } Color;
++#endif
++}
+ 
+ %token SLIDE COLON HIFEN TEXT X Y W H IMAGE SIZE SCALE TEMPLATE BACKGROUND FONT
+ %token STYLE ALIGN EXPAND PLUS IMAGE_PATH

pkgs/top-level/all-packages.nix

···
     libpng = libpng12;
   };
 
+  xsw = callPackage ../applications/misc/xsw {
+   # Enable the next line to use this in terminal.
+   # Note that it requires sixel capable terminals such as mlterm
+   # or xterm -ti 340
+   SDL = SDL_sixel;
+  };
+
   xwiimote = callPackage ../misc/drivers/xwiimote {
     bluez = pkgs.bluez5.override {
       enableWiimote = true;