* Fork iputils.

svn path=/nixpkgs/trunk/; revision=3267

pkgs/development/tools/parsing/flex-iputils/builder.sh

@@ -0,0 +1,10 @@
+. $stdenv/setup
+
+installPhase() {
+   make install
+   cd $out/bin; ln -s flex lex
+   cd $out/lib; ln -s libfl.a libl.a
+}
+
+installPhase=installPhase
+genericBuild

pkgs/development/tools/parsing/flex-iputils/default.nix

@@ -0,0 +1,13 @@
+{stdenv, fetchurl, yacc}:
+
+assert yacc != null;
+
+stdenv.mkDerivation {
+  name = "flex-2.5.4a";
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/flex-2.5.4a.tar.gz;
+    md5 = "bd8753d0b22e1f4ec87a553a73021adf";
+  };
+  buildInputs = [yacc];
+}

pkgs/development/tools/parsing/flex-iputils/flex-new.nix

@@ -0,0 +1,16 @@
+# !!! this should be moved to default.nix eventually (but I delay
+# doing that since it would cause a rebuild of lots of stuff).
+
+{stdenv, fetchurl, yacc, m4}:
+
+assert yacc != null && m4 != null;
+
+stdenv.mkDerivation {
+  name = "flex-2.5.31";
+  src = fetchurl {
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/flex-2.5.31.tar.bz2;
+    md5 = "363dcc4afc917dc51306eb9d3de0152f";
+  };
+  buildInputs = [yacc];
+  propagatedBuildInputs = [m4];
+}