c-graph: init at 2.0.1

pkgs/by-name/c-/c-graph/package.nix

@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchurl, gfortran, gnuplot, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "c-graph";
+  version = "2.0.1";
+
+  src = fetchurl {
+    url = "mirror://gnu/c-graph/c-graph-${version}.tar.gz";
+    hash = "sha256-LSZ948nXXY3pXltR2hHnql6YEpHumjTvbtz4/qUIRCQ=";
+  };
+
+  nativeBuildInputs = [ gfortran makeWrapper ];
+
+  postInstall = ''
+    wrapProgram $out/bin/c-graph --prefix PATH : ${lib.makeBinPath [ gnuplot ]}
+  '';
+
+  meta = with lib; {
+    description = "A Tool for Learning about Convolution";
+    homepage = "https://www.gnu.org/software/c-graph/";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ sikmir ];
+    platforms = platforms.unix;
+    mainProgram = "c-graph";
+  };
+}