diff --git a/pkgs/applications/version-management/rcs/default.nix b/pkgs/applications/version-management/rcs/default.nix
new file mode 100644
index 00000000000..3689a783ed0
--- /dev/null
+++ b/pkgs/applications/version-management/rcs/default.nix
@@ -0,0 +1,10 @@
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation {
+  name = "rcs-5.7";
+  # builder = ./builder.sh;
+  src = fetchurl {
+    url = ftp://ftp.cs.purdue.edu/pub/RCS/rcs-5.7.tar;
+    md5 = "f7b3f106bf87ff6344df38490f6a02c5";
+  };
+}
diff --git a/pkgs/system/all-packages-generic.nix b/pkgs/system/all-packages-generic.nix
index 3364e84a5bb..958b9ff3f9e 100644
--- a/pkgs/system/all-packages-generic.nix
+++ b/pkgs/system/all-packages-generic.nix
@@ -793,6 +793,10 @@ rec {
     j2sdk = blackdown;
   };
 
+  rcs = (import ../applications/version-management/rcs) {
+    inherit fetchurl stdenv;
+  };
+
   pan = (import ../applications/networking/newsreaders/pan) {
     inherit fetchurl stdenv pkgconfig gnet libxml2 perl pcre;
     inherit (gtkLibs) gtk;