nixpkgs/pkgs/games/crawl/crawl_purify.patch

diff --git a/crawl-ref/source/util/find_font b/crawl-ref/source/util/find_font
index f8b576fd63..b95c21c0a1 100755
--- a/crawl-ref/source/util/find_font
+++ b/crawl-ref/source/util/find_font
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-FONTDIRS="/usr/share/fonts /usr/local/share/fonts /usr/*/lib/X11/fonts"
+FONTDIRS="${fontsPath}/share/fonts"
 
 name=$1
 [ "$name" ] || { echo "Usage: $0 <fontname.ttf>" >&2; exit 100; }
@@ -11,6 +11,6 @@ name=$1
         for dir in $FONTDIRS; do
             [ -d "$dir" ] && echo "$dir"
         done
-    } | xargs -I% find % \( -type f -o -type l \) -iname "$name" -print \
+    } | xargs -I% find -L % \( -type f -o -type l \) -iname "$name" -print \
       | head -n1
 } 2>/dev/null
diff --git a/crawl-ref/source/windowmanager-sdl.cc b/crawl-ref/source/windowmanager-sdl.cc
index e29ccff507..9bf01e040a 100644
--- a/crawl-ref/source/windowmanager-sdl.cc
+++ b/crawl-ref/source/windowmanager-sdl.cc
@@ -20,7 +20,7 @@
 # else
 #  include <SDL2/SDL.h>
 # endif
-# include <SDL_image.h>
+# include <SDL2/SDL_image.h>
 # if defined(USE_SOUND) && !defined(WINMM_PLAY_SOUNDS)
 #  include <SDL2/SDL_mixer.h>
 # endif