w3m: fix w3mimgdisplay, refactor the expression, make batch and nox versions, use batch version where appropriate

pkgs/applications/networking/browsers/w3m/default.nix

@@ -1,16 +1,18 @@
 { stdenv, fetchurl
-, sslSupport ? true
+, ncurses, boehmgc, gettext, zlib
-, graphicsSupport ? false
+, sslSupport ? true, openssl ? null
-, mouseSupport ? false
+, graphicsSupport ? true, imlib2 ? null
-, ncurses, openssl ? null, boehmgc, gettext, zlib
+, x11Support ? graphicsSupport, libX11 ? null
-, imlib2 ? null, xlibsWrapper ? null, fbcon ? null
+, mouseSupport ? true, gpm-ncurses ? null
-, gpm-ncurses ? null
 }:
 
 assert sslSupport -> openssl != null;
-assert graphicsSupport -> imlib2 != null && (xlibsWrapper != null || fbcon != null);
+assert graphicsSupport -> imlib2 != null;
+assert x11Support -> graphicsSupport && libX11 != null;
 assert mouseSupport -> gpm-ncurses != null;
 
+with stdenv.lib;
+
 stdenv.mkDerivation rec {
   name = "w3m-0.5.3";
 
@@ -24,16 +26,19 @@ stdenv.mkDerivation rec {
   patches = [ ./glibc214.patch ]
     # Patch for the newer unstable boehm-gc 7.2alpha. Not all platforms use that
     # alpha. At the time of writing this, boehm-gc-7.1 is the last stable.
-    ++ stdenv.lib.optional (boehmgc.name != "boehm-gc-7.1") [ ./newgc.patch ]
+    ++ optional (boehmgc.name != "boehm-gc-7.1") [ ./newgc.patch ]
-    ++ stdenv.lib.optional stdenv.isCygwin ./cygwin.patch;
+    ++ optional stdenv.isCygwin ./cygwin.patch
+    # for frame buffer only version
+    ++ optional (graphicsSupport && !x11Support) [ ./no-x11.patch ];
 
   buildInputs = [ncurses boehmgc gettext zlib]
-    ++ stdenv.lib.optional sslSupport openssl
+    ++ optional sslSupport openssl
-    ++ stdenv.lib.optional mouseSupport gpm-ncurses
+    ++ optional mouseSupport gpm-ncurses
-    ++ stdenv.lib.optionals graphicsSupport [imlib2 xlibsWrapper fbcon];
+    ++ optional graphicsSupport imlib2
+    ++ optional x11Support libX11;
 
   configureFlags = "--with-ssl=${openssl} --with-gc=${boehmgc}"
-    + stdenv.lib.optionalString graphicsSupport " --enable-image=x11,fb";
+    + optionalString graphicsSupport " --enable-image=${optionalString x11Support "x11,"}fb";
 
   preConfigure = ''
     substituteInPlace ./configure --replace "/lib /usr/lib /usr/local/lib /usr/ucblib /usr/ccslib /usr/ccs/lib /lib64 /usr/lib64" /no-such-path
@@ -42,7 +47,10 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = false;
 
-  meta = with stdenv.lib; {
+  # for w3mimgdisplay
+  LIBS = optionalString x11Support "-lX11";
+
+  meta = {
     homepage = http://w3m.sourceforge.net/;
     description = "A text-mode web browser";
     maintainers = [ maintainers.mornfall ];

pkgs/applications/networking/browsers/w3m/no-x11.patch

@@ -0,0 +1,15 @@
+Forget about X11 in fb module.
+This breaks w3mimgdisplay under X11, but removes X11 dependency it in pure fb.
+diff --git a/w3mimg/fb/fb_imlib2.c b/w3mimg/fb/fb_imlib2.c
+index ea36637..d3d7bc3 100644
+--- a/w3mimg/fb/fb_imlib2.c
++++ b/w3mimg/fb/fb_imlib2.c
+@@ -3,7 +3,7 @@
+                 fb_imlib2.c 0.3 Copyright (C) 2002, hito
+  **************************************************************************/
+ 
+-#include <X11/Xlib.h>
++#define X_DISPLAY_MISSING
+ #include <Imlib2.h>
+ #include "fb.h"
+ #include "fb_img.h"

pkgs/top-level/all-packages.nix

@@ -924,6 +924,7 @@ let
 
   asciidoc = callPackage ../tools/typesetting/asciidoc {
     inherit (pythonPackages) matplotlib numpy aafigure recursivePthLoader;
+    w3m = w3m-batch;
     enableStandardFeatures = false;
   };
 
@@ -3143,7 +3144,9 @@ let
 
   stricat = callPackage ../tools/security/stricat { };
 
-  privoxy = callPackage ../tools/networking/privoxy { };
+  privoxy = callPackage ../tools/networking/privoxy {
+    w3m = w3m-batch;
+  };
 
   swaks = callPackage ../tools/networking/swaks { };
 
@@ -3597,7 +3600,7 @@ let
   xmlstarlet = callPackage ../tools/text/xml/xmlstarlet { };
 
   xmlto = callPackage ../tools/typesetting/xmlto {
-    w3m = w3m.override { graphicsSupport = false; };
+    w3m = w3m-batch;
   };
 
   xmltv = callPackage ../tools/misc/xmltv { };
@@ -13388,8 +13391,21 @@ let
 
   vym = callPackage ../applications/misc/vym { };
 
-  w3m = callPackage ../applications/networking/browsers/w3m {
+  w3m = callPackage ../applications/networking/browsers/w3m { };
+
+  # Should always be the version with the most features
+  w3m-full = w3m;
+
+  # Version without X11
+  w3m-nox = w3m.override {
+    x11Support = false;
+  };
+
+  # Version for batch text processing, not a good browser
+  w3m-batch = w3m.override {
     graphicsSupport = false;
+    x11Support = false;
+    mouseSupport = false;
   };
 
   weechat = callPackage ../applications/networking/irc/weechat {
@@ -13592,7 +13608,9 @@ let
 
   xdg-user-dirs = callPackage ../tools/X11/xdg-user-dirs { };
 
-  xdg_utils = callPackage ../tools/X11/xdg-utils { };
+  xdg_utils = callPackage ../tools/X11/xdg-utils {
+    w3m = w3m-batch;
+  };
 
   xdotool = callPackage ../tools/X11/xdotool { };