eaglemode: add missing htmldoc runtime dependency

pkgs/applications/misc/eaglemode/default.nix

@@ -79,16 +79,23 @@ stdenv.mkDerivation rec {
     "info"
   ];
 
-  installPhase = ''
-    runHook preInstall
-    perl make.pl install dir=$out
-    wrapProgram $out/bin/eaglemode --set EM_DIR "$out" --prefix LD_LIBRARY_PATH : "$out/lib" --prefix PATH : "${ghostscript}/bin"
-    for i in 32 48 96; do
-      mkdir -p $out/share/icons/hicolor/''${i}x''${i}/apps
-      ln -s $out/res/icons/${pname}$i.png $out/share/icons/hicolor/''${i}x''${i}/apps/${pname}.png
-    done
-    runHook postInstall
-  '';
+  installPhase =
+    let
+      runtimeDeps = lib.makeBinPath [
+        ghostscript # renders the manual
+        htmldoc # renders HTML files in file browser
+      ];
+    in
+    ''
+      runHook preInstall
+      perl make.pl install dir=$out
+      wrapProgram $out/bin/eaglemode --set EM_DIR "$out" --prefix LD_LIBRARY_PATH : "$out/lib" --prefix PATH : "${runtimeDeps}"
+      for i in 32 48 96; do
+        mkdir -p $out/share/icons/hicolor/''${i}x''${i}/apps
+        ln -s $out/res/icons/${pname}$i.png $out/share/icons/hicolor/''${i}x''${i}/apps/${pname}.png
+      done
+      runHook postInstall
+    '';
 
   desktopItems = [
     (makeDesktopItem {