From 96606abf82caafb6defbe32a91b4ec14deaa1740 Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Sun, 3 Jun 2018 19:43:24 +0000
Subject: [PATCH] SDL: propagate libiconv

SDL/SDL.h includes SDL/SDL_stdinc.h which includes iconv.h, therefore all
packages that include SDL.h should be able to include iconv.h

Fixes SDL_gfx, SDL_image etc. on Darwin.
---
 pkgs/development/libraries/SDL/default.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/SDL/default.nix b/pkgs/development/libraries/SDL/default.nix
index 7e96cf84686..d40b25cd804 100644
--- a/pkgs/development/libraries/SDL/default.nix
+++ b/pkgs/development/libraries/SDL/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig ];
 
-  propagatedBuildInputs = [ ]
+  propagatedBuildInputs = [ libiconv ]
     ++ optionals x11Support [ libXext libICE libXrandr ]
     ++ optional stdenv.isLinux libcap
     ++ optionals openglSupport [ libGL libGLU ]
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     ++ optional pulseaudioSupport libpulseaudio
     ++ optional stdenv.isDarwin Cocoa;
 
-  buildInputs = [ libiconv ]
+  buildInputs = [ ]
     ++ optional (!hostPlatform.isMinGW) audiofile
     ++ optionals stdenv.isDarwin [ AudioUnit CoreAudio CoreServices Kernel OpenGL ];
 
@@ -119,6 +119,8 @@ stdenv.mkDerivation rec {
 
   passthru = { inherit openglSupport; };
 
+  enableParallelBuilding = true;
+
   meta = with stdenv.lib; {
     description = "A cross-platform multimedia library";
     homepage    = "http://www.libsdl.org/";