gnome-latex: fix build with tepl 6

Applying a patch since the app has been archived and will receive no further releases.

Had to rebuild the build scripts with autoreconfHook since the patch modifies configure.ac.

Also cleaned up the expression a bit.

pkgs/applications/editors/gnome-latex/default.nix

@@ -1,21 +1,49 @@
-{ lib, stdenv, fetchurl, wrapGAppsHook, gsettings-desktop-schemas, gspell, gtksourceview4, libgee
-, tepl, amtk, gnome3, glib, pkg-config, intltool, itstool, libxml2 }:
-let
+{ lib
+, stdenv
+, fetchurl
+, fetchpatch
+, autoreconfHook
+, gtk-doc
+, vala
+, gobject-introspection
+, wrapGAppsHook
+, gsettings-desktop-schemas
+, gspell
+, gtksourceview4
+, libgee
+, tepl
+, amtk
+, gnome3
+, glib
+, pkg-config
+, intltool
+, itstool
+, libxml2
+}:
+
+stdenv.mkDerivation rec {
   version = "3.38.0";
   pname = "gnome-latex";
-in stdenv.mkDerivation {
-  name = "${pname}-${version}";
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
     sha256 = "0xqd49pgi82dygqnxj08i1v22b0vwwhx3zvdinhrx4jny339yam8";
   };
 
-  NIX_CFLAGS_COMPILE = "-I${glib.dev}/include/gio-unix-2.0";
-  configureFlags = ["--disable-dconf-migration"];
+  patches = [
+    # Fix build with latest tepl.
+    (fetchpatch {
+      url = "https://gitlab.gnome.org/Archive/gnome-latex/commit/e1b01186f8a4e5d3fee4c9ccfbedd6d098517df9.patch";
+      sha256 = "H8cbp5hDZoXytEdKE2D/oYHNKIbEFwxQoEaC4JMfGHY=";
+    })
+  ];
 
   nativeBuildInputs = [
     pkg-config
+    autoreconfHook
+    gtk-doc
+    vala
+    gobject-introspection
     wrapGAppsHook
     itstool
     intltool
@@ -33,8 +61,14 @@ in stdenv.mkDerivation {
     tepl
   ];
 
+  configureFlags = [
+    "--disable-dconf-migration"
+  ];
+
   doCheck = true;
 
+  NIX_CFLAGS_COMPILE = "-I${glib.dev}/include/gio-unix-2.0";
+
   passthru.updateScript = gnome3.updateScript {
     packageName = pname;
     versionPolicy = "odd-unstable";