From cdda429940a16b4bae0ab6cdf676e4f964c7f3c8 Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Sat, 12 Jan 2013 23:36:04 -0600
Subject: libharu: fix build without XQuartz

Fixes #17051.
---
 Library/Formula/libharu.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Formula/libharu.rb b/Library/Formula/libharu.rb
index 0beac0da1..9600f5eb1 100644
--- a/Library/Formula/libharu.rb
+++ b/Library/Formula/libharu.rb
@@ -16,12 +16,16 @@ class Libharu < Formula
     "http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/media-libs/libharu/files/libharu-2.2.1-libpng-1.5.patch?revision=1.1"
   end
 
+  def png_prefix
+    MacOS::X11.installed? ? MacOS::X11.prefix : HOMEBREW_PREFIX/:opt/:libpng
+  end
+
   def install
     system "./configure", "--disable-debug",
                           "--disable-dependency-tracking",
                           "--prefix=#{prefix}",
                           # libpng doesn't get picked up
-                          "--with-png=#{MacOS::X11.prefix}"
+                          "--with-png=#{png_prefix}"
     system "make install"
   end
 end
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