w3m: use Arch patches

Fix the built-in help (perl.patch)
  https://bugs.archlinux.org/task/45608

Properly link w3mimgdisplay to x11
  https://bbs.archlinux.org/viewtopic.php?id=196093

Fix rendering bug in w3mimgdisplay (w3m_rgba.patch)
  https://github.com/hut/ranger/issues/86

Don't ignore input tags with invalid types (form_unkown.patch)
  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=615843

Fix a segfault when using https (https.patch)
  https://bugzilla.redhat.com/show_bug.cgi?id=707994

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

@@ -1,9 +1,10 @@
-{ stdenv, fetchurl
+{ stdenv, fetchurl, fetchpatch
 , ncurses, boehmgc, gettext, zlib
 , sslSupport ? true, openssl ? null
 , graphicsSupport ? true, imlib2 ? null
 , x11Support ? graphicsSupport, libX11 ? null
 , mouseSupport ? !stdenv.isDarwin, gpm-ncurses ? null
+, perl, man
 }:
 
 assert sslSupport -> openssl != null;
@@ -21,15 +22,49 @@ stdenv.mkDerivation rec {
     sha256 = "1qx9f0kprf92r1wxl3sacykla0g04qsi0idypzz24b7xy9ix5579";
   };
 
-  NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isSunOS "-lsocket -lnsl";
+  NIX_LDFLAGS = optionalString stdenv.isSunOS "-lsocket -lnsl";
 
-  patches = [ ./glibc214.patch ./RAND_egd.libressl.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.
-    ++ optional (boehmgc.name != "boehm-gc-7.1") [ ./newgc.patch ]
-    ++ optional stdenv.isCygwin ./cygwin.patch
-    # for frame buffer only version
-    ++ optional (graphicsSupport && !x11Support) [ ./no-x11.patch ];
+  # we must set these so that the generated files (e.g. w3mhelp.cgi) contain
+  # the correct paths.
+  PERL = "${perl}/bin/perl";
+  MAN = "${man}/bin/man";
+
+  # the Arch patches were pulled from:
+  # https://aur.archlinux.org/cgit/aur.git/?h=w3m-mouse
+  patches = [
+    ./RAND_egd.libressl.patch
+    (fetchpatch {
+      name = "file_handle.patch";
+      url = "https://aur.archlinux.org/cgit/aur.git/plain/file_handle.patch?h=w3m-mouse&id=5b5f0fbb59f674575e87dd368fed834641c35f03";
+      sha256 = "0kkqm68ig9d658kf1iwa1dwcf651f6dy2j98gplcks1mn3bdlak4";
+    })
+    (fetchpatch {
+      name = "form_unknown.patch";
+      url = "https://aur.archlinux.org/cgit/aur.git/plain/form_unknown.patch?h=w3m-mouse&id=5b5f0fbb59f674575e87dd368fed834641c35f03";
+      sha256 = "1mbfclid3bihb1xv7sxcahprn3slzd6ga8rjzlq4rbq80bl053fw";
+    })
+    (fetchpatch {
+      name = "gc72.patch";
+      url = "https://aur.archlinux.org/cgit/aur.git/plain/gc72.patch?h=w3m-mouse&id=5b5f0fbb59f674575e87dd368fed834641c35f03";
+      sha256 = "1n6anaw17by0s6rn25bwkgj2mck7ffspizpwbijvx1ynk451459a";
+    })
+    (fetchpatch {
+      name = "https.patch";
+      url = "https://aur.archlinux.org/cgit/aur.git/plain/https.patch?h=w3m-mouse&id=5b5f0fbb59f674575e87dd368fed834641c35f03";
+      sha256 = "08skvaha1hjyapsh8zw5dgfy433mw2hk7qy9yy9avn8rjqj7kjxk";
+    })
+    (fetchpatch {
+      name = "perl.patch";
+      url = "https://aur.archlinux.org/cgit/aur.git/plain/perl.patch?h=w3m-mouse&id=5b5f0fbb59f674575e87dd368fed834641c35f03";
+      sha256 = "15cq7cwh0d2v64i8by44rgxw48156sgh872921hxrqdakr95p3gy";
+    })
+    (fetchpatch {
+      name = "w3m_rgba.patch";
+      url = "https://aur.archlinux.org/cgit/aur.git/plain/w3m_rgba.patch?h=w3m-mouse&id=5b5f0fbb59f674575e87dd368fed834641c35f03";
+      sha256 = "1dhp1p6z621ayyl9zip9w35x2cxyhhj72jv5dvf0zp4rk6cjm781";
+    })
+  ] ++ optional (graphicsSupport && !x11Support) [ ./no-x11.patch ]
+    ++ optional stdenv.isCygwin ./cygwin.patch;
 
   buildInputs = [ncurses boehmgc gettext zlib]
     ++ optional sslSupport openssl
@@ -37,6 +72,10 @@ stdenv.mkDerivation rec {
     ++ optional graphicsSupport imlib2
     ++ optional x11Support libX11;
 
+  postInstall = optionalString graphicsSupport ''
+    ln -s $out/libexec/w3m/w3mimgdisplay $out/bin
+  '';
+
   configureFlags = "--with-ssl=${openssl} --with-gc=${boehmgc}"
     + optionalString graphicsSupport " --enable-image=${optionalString x11Support "x11,"}fb";
 
@@ -48,11 +87,12 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = false;
 
   # for w3mimgdisplay
+  # see: https://bbs.archlinux.org/viewtopic.php?id=196093
   LIBS = optionalString x11Support "-lX11";
 
   meta = {
     homepage = http://w3m.sourceforge.net/;
     description = "A text-mode web browser";
-    maintainers = [ maintainers.mornfall ];
+    maintainers = [ maintainers.mornfall maintainers.cstrahan ];
   };
 }

pkgs/applications/networking/browsers/w3m/glibc214.patch

@@ -1,60 +0,0 @@
-http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/www-client/w3m/files/w3m-0.5.3-glibc214.patch?revision=1.1
-
---- a/istream.c.~1.27.~	2011-01-04 18:22:22.000000000 +0900
-+++ b/istream.c	2011-06-24 08:15:23.522990618 +0900
-@@ -22,8 +22,8 @@
- static void basic_close(int *handle);
- static int basic_read(int *handle, char *buf, int len);
- 
--static void file_close(struct file_handle *handle);
--static int file_read(struct file_handle *handle, char *buf, int len);
-+static void file_close(struct afile_handle *handle);
-+static int file_read(struct afile_handle *handle, char *buf, int len);
- 
- static int str_read(Str handle, char *buf, int len);
- 
-@@ -114,7 +114,7 @@
-     stream = New(union input_stream);
-     init_base_stream(&stream->base, STREAM_BUF_SIZE);
-     stream->file.type = IST_FILE;
--    stream->file.handle = New(struct file_handle);
-+    stream->file.handle = New(struct afile_handle);
-     stream->file.handle->f = f;
-     if (closep)
- 	stream->file.handle->close = closep;
-@@ -658,13 +658,13 @@
- }
- 
- static void
--file_close(struct file_handle *handle)
-+file_close(struct afile_handle *handle)
- {
-     handle->close(handle->f);
- }
- 
- static int
--file_read(struct file_handle *handle, char *buf, int len)
-+file_read(struct afile_handle *handle, char *buf, int len)
- {
-     return fread(buf, 1, len, handle->f);
- }
---- a/istream.h.~1.12.~	2003-10-21 01:41:56.000000000 +0900
-+++ b/istream.h	2011-06-24 08:15:54.392991144 +0900
-@@ -20,7 +20,7 @@
- 
- typedef struct stream_buffer *StreamBuffer;
- 
--struct file_handle {
-+struct afile_handle {
-     FILE *f;
-     void (*close) ();
- };
-@@ -53,7 +53,7 @@
- 
- struct file_stream {
-     struct stream_buffer stream;
--    struct file_handle *handle;
-+    struct afile_handle *handle;
-     char type;
-     char iseos;
-     int (*read) ();

pkgs/applications/networking/browsers/w3m/newgc.patch

@@ -1,15 +0,0 @@
-https://bugzilla.redhat.com/show_bug.cgi?id=555467
-
---- a/main.c.old  2007-05-31 06:49:50.000000000 +0530
-+++ b/main.c      2010-02-16 16:16:24.000000000 +0530
-@@ -842,7 +842,9 @@
-     mySignal(SIGPIPE, SigPipe);
- #endif
-
--    orig_GC_warn_proc = GC_set_warn_proc(wrap_GC_warn_proc);
-+    orig_GC_warn_proc = GC_get_warn_proc();
-+    GC_set_warn_proc(wrap_GC_warn_proc);
-+
-     err_msg = Strnew();
-     if (load_argc == 0) {
-        /* no URL specified */