Merge branch 'master' into staging

Conflicts:
      pkgs/applications/misc/navit/default.nix
      pkgs/applications/networking/mailreaders/alpine/default.nix
      pkgs/applications/networking/mailreaders/realpine/default.nix
      pkgs/development/compilers/ghc/head.nix
      pkgs/development/libraries/openssl/default.nix
      pkgs/games/liquidwar/default.nix
      pkgs/games/spring/springlobby.nix
      pkgs/os-specific/linux/kernel/perf.nix
      pkgs/servers/sip/freeswitch/default.nix
      pkgs/tools/archivers/cromfs/default.nix
      pkgs/tools/graphics/plotutils/default.nix

pkgs/shells/rc/default.nix

@@ -0,0 +1,42 @@
+{ stdenv, fetchurl, autoreconfHook
+, ncurses #acinclude.m4 wants headers for tgetent().
+, historySupport ? false
+, readline ? null
+}:
+
+stdenv.mkDerivation rec {
+  name = "rc-${version}";
+  version = "1.7.4";
+
+  src = fetchurl {
+    url = "http://static.tobold.org/rc/rc-${version}.tar.gz";
+    sha256 = "1n5zz6d6z4z6s3fwa0pscqqawy561k4xfnmi91i626hcvls67ljy";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+  buildInputs = [ ncurses ]
+    ++ stdenv.lib.optionals (readline != null) [ readline ];
+
+  configureFlags = [
+    "--enable-def-interp=${stdenv.shell}" #183
+    ] ++ stdenv.lib.optionals historySupport [ "--with-history" ]
+    ++ stdenv.lib.optionals (readline != null) [ "--with-edit=readline" ];
+
+  prePatch = ''
+    substituteInPlace configure.ac \
+      --replace "date -I" "echo 2015-05-13" #reproducible-build
+  '';
+
+  passthru = {
+    shellPath = "/bin/rc";
+  };
+
+  meta = with stdenv.lib; {
+    description = "The Plan 9 shell";
+    longDescription = "Byron Rakitzis' UNIX reimplementation of Tom Duff's Plan 9 shell.";
+    homepage = http://tobold.org/article/rc;
+    license = with licenses; zlib;
+    maintainers = with maintainers; [ ramkromberg ];
+    platforms = with platforms; all;
+  };
+}

pkgs/shells/tcsh/default.nix

@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "0jaw51382pqyb6d1kgfg8ir0wd3p5qr2bmg8svcmjhlyp3h73qhj";
   };
 
-  patches = [ ./avoid-gcc5-wrong-optimisation.patch ];
+  patches = [ ./avoid-gcc5-wrong-optimisation.patch ./tcsh.glibc-2.24.patch ];
   
   buildInputs = [ ncurses ];
 

pkgs/shells/tcsh/tcsh.glibc-2.24.patch

@@ -0,0 +1,21 @@
+Proposed patch from Debian bug tracker by Aurelien Jarno <aurel32@debian.org>
+
+diff --git a/sh.proc.c b/sh.proc.c
+index ad07250..5c68409 100644
+--- a/sh.proc.c
++++ b/sh.proc.c
+@@ -47,11 +47,11 @@ RCSID("$tcsh$")
+ # define HZ 16
+ #endif /* aiws */
+ 
+-#if defined(_BSD) || (defined(IRIS4D) && __STDC__) || defined(__lucid) || defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)
+-# if !defined(__ANDROID__)
++#if defined(_BSD) || (defined(IRIS4D) && __STDC__) || defined(__lucid) || defined(__linux__) || defined(__GLIBC__)
++# if !defined(__ANDROID__) && !defined(__GLIBC__)
+ #  define BSDWAIT
+ # endif
+-#endif /* _BSD || (IRIS4D && __STDC__) || __lucid || glibc */
++#endif /* _BSD || (IRIS4D && __STDC__) || __lucid || gnu-linux */
+ #ifndef WTERMSIG
+ # define WTERMSIG(w)	(((union wait *) &(w))->w_termsig)
+ # ifndef BSDWAIT