gpp: init at 2.25 and add @nmattia as maintainer (#34098)

* maintainers: add nmattia
* gpp: init at 2.25

GPP is a handy preprocessing tool, not yet present in the package set.

lib/maintainers.nix

@@ -485,6 +485,7 @@
   nico202 = "Nicolò Balzarotti <anothersms@gmail.com>";
   NikolaMandic = "Ratko Mladic <nikola@mandic.email>";
   nixy = "Andrew R. M. <nixy@nixy.moe>";
+  nmattia = "Nicolas Mattia <nicolas@nmattia.com>";
   nocoolnametom = "Tom Doggett <nocoolnametom@gmail.com>";
   notthemessiah = "Brian Cohen <brian.cohen.88@gmail.com>";
   np = "Nicolas Pouillard <np.nix@nicolaspouillard.fr>";

pkgs/development/tools/gpp/default.nix

@@ -0,0 +1,26 @@
+{ stdenv, fetchFromGitHub, autoreconfHook }:
+
+stdenv.mkDerivation rec {
+  name = "gpp-${version}";
+  version = "2.25";
+
+  src = fetchFromGitHub {
+    owner = "logological";
+    repo = "gpp";
+    rev = "96c5dd8905384ea188f380f51d24cbd7fd58f642";
+    sha256 = "0bvhnx3yfhbfiqqhhz6k2a596ls5rval7ykbp3jl5b6062xj861b";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+
+  installCheckPhase = "$out/bin/gpp --help";
+  doInstallCheck = true;
+
+  meta = with stdenv.lib; {
+    description = "General-purpose preprocessor with customizable syntax";
+    homepage = "https://logological.org/gpp";
+    license = licenses.lgpl3;
+    maintainers = with maintainers; [ nmattia ];
+    platforms = with platforms; linux ++ darwin;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -2468,6 +2468,8 @@ with pkgs;
 
   gpodder = callPackage ../applications/audio/gpodder { };
 
+  gpp = callPackage ../development/tools/gpp { };
+
   gpredict = callPackage ../applications/science/astronomy/gpredict { };
 
   gptfdisk = callPackage ../tools/system/gptfdisk { };