From 08bdd8bc434ea0bd2c6eb4fb1a3a74870d7307c5 Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Sat, 16 May 2020 17:08:25 +0300
Subject: [PATCH] mpd: Build and install docs and split outputs

---
 pkgs/servers/mpd/default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/servers/mpd/default.nix b/pkgs/servers/mpd/default.nix
index bd28a7db383..44118277a28 100644
--- a/pkgs/servers/mpd/default.nix
+++ b/pkgs/servers/mpd/default.nix
@@ -19,6 +19,9 @@
 # Tag support
 , libid3tag
 , nixosTests
+# For documentation
+, doxygen
+, python3Packages # for sphinx-build
 # For tests
 , gtest
 , fetchpatch # used to fetch an upstream patch fixing a failing test
@@ -146,6 +149,8 @@ let
         meson
         ninja
         pkg-config
+        python3Packages.sphinx
+        doxygen
       ];
 
       # Otherwise, the meson log says:
@@ -159,7 +164,12 @@ let
 
       mesonAutoFeatures = "disabled";
 
+      outputs = [ "out" "doc" "man" ];
+
       mesonFlags = [
+        # Documentation is enabled unconditionally but it's not installed
+        # unconditionally thanks to the outputs being split
+        "-Ddocumentation=true"
         "-Dtest=true"
       ]
         ++ map (x: "-D${x}=enabled") features_