From 012edb4379e9aeef91862c34fe3a533539aa1370 Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Tue, 17 Jun 2014 19:55:41 +0100
Subject: [PATCH] Support existing path to pkg-config lib for Heroku #57

---
 binding.gyp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/binding.gyp b/binding.gyp
index c47603f2..b3de953b 100755
--- a/binding.gyp
+++ b/binding.gyp
@@ -3,7 +3,7 @@
     'target_name': 'sharp',
     'sources': ['src/sharp.cc'],
     'variables': {
-      'PKG_CONFIG_PATH': '<!(which brew >/dev/null 2>&1 && eval $(brew --env) && echo $PKG_CONFIG_LIBDIR || true):/usr/local/lib/pkgconfig:/usr/lib/pkgconfig'
+      'PKG_CONFIG_PATH': '<!(which brew >/dev/null 2>&1 && eval $(brew --env) && echo $PKG_CONFIG_LIBDIR || true):$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig:/usr/lib/pkgconfig'
     },
     'libraries': [
       '<!(PKG_CONFIG_PATH="<(PKG_CONFIG_PATH)" pkg-config --libs vips)'