1 files changed, 47 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/parsing/flexc++/default.nix b/nixpkgs/pkgs/development/tools/parsing/flexc++/default.nix
new file mode 100644
index 000000000000..e4db5631e7fe
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/parsing/flexc++/default.nix
@@ -0,0 +1,47 @@
+{ lib, stdenv, fetchFromGitHub, bobcat, icmake, yodl }:
+
+stdenv.mkDerivation rec {
+  pname = "flexc++";
+  version = "2.05.00";
+
+  src = fetchFromGitHub {
+    sha256 = "0s25d9jsfsqvm34rwf48cxwz23aq1zja3cqlzfz3z33p29wwazwz";
+    rev = version;
+    repo = "flexcpp";
+    owner = "fbb-git";
+  };
+
+  setSourceRoot = ''
+    sourceRoot=$(echo */flexc++)
+  '';
+
+  buildInputs = [ bobcat ];
+  nativeBuildInputs = [ icmake yodl ];
+
+  postPatch = ''
+    substituteInPlace INSTALL.im --replace /usr $out
+    patchShebangs .
+  '';
+
+  buildPhase = ''
+    ./build man
+    ./build manual
+    ./build program
+  '';
+
+  installPhase = ''
+    ./build install x
+  '';
+
+  meta = with lib; {
+    description = "C++ tool for generating lexical scanners";
+    longDescription = ''
+      Flexc++ was designed after `flex'. Flexc++ offers a cleaner class design
+      and requires simpler specification files than offered by flex's C++
+      option.
+    '';
+    homepage = "https://fbb-git.github.io/flexcpp/";
+    license = licenses.gpl3;
+    platforms = platforms.linux;
+  };
+}