From c5413729e8bf83cfa64957196449810eb53b106f Mon Sep 17 00:00:00 2001
From: Michal Sojka <michal.sojka@cvut.cz>
Date: Wed, 29 Nov 2023 18:21:56 +0100
Subject: [PATCH] gnuplot: Add info output

It's optional, but enabled by default.
---
 pkgs/tools/graphics/gnuplot/default.nix | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/pkgs/tools/graphics/gnuplot/default.nix b/pkgs/tools/graphics/gnuplot/default.nix
index 9d54bd8648200..dd775b95139b1 100644
--- a/pkgs/tools/graphics/gnuplot/default.nix
+++ b/pkgs/tools/graphics/gnuplot/default.nix
@@ -33,6 +33,8 @@
   qttools,
   qtbase,
   qtsvg,
+  enableInfo ? true,
+  emacs,
 }:
 
 assert libX11 != null -> (fontconfig != null && gnused != null && coreutils != null);
@@ -48,11 +50,16 @@ in
     sha256 = "sha256-6FpmDBoqGAj/JPfmmYH/y6xmpFydz3EbZWELJupxN5o=";
   };
 
-  nativeBuildInputs = [
-    makeWrapper
-    pkg-config
-    texinfo
-  ] ++ lib.optional withQt qttools;
+  outputs = [ "out" ] ++ lib.optional enableInfo "info";
+
+  nativeBuildInputs =
+    [
+      makeWrapper
+      pkg-config
+      texinfo
+    ]
+    ++ lib.optional withQt qttools
+    ++ lib.optional enableInfo emacs;
 
   buildInputs =
     [
@@ -122,6 +129,8 @@ in
 
   enableParallelBuilding = true;
 
+  installTargets = [ "install" ] ++ lib.optional enableInfo "install-info";
+
   meta = with lib; {
     homepage = "http://www.gnuplot.info/";
     description = "Portable command-line driven graphing utility for many platforms";