From 2873be2d7a473a2062e63385bd50a63a26f9106d Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Tue, 17 Apr 2012 08:45:52 -0700
Subject: [PATCH] Fixed makefile to work for various different gcc versions on
 OSX (from Craig Berry)

---
 makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/makefile b/makefile
index e10f058a..17ada04f 100644
--- a/makefile
+++ b/makefile
@@ -80,6 +80,10 @@ ifeq ($(WIN32),)  #*nix Environments (&& cygwin)
     ifeq (Darwin,$(OSTYPE))
       OSNAME = OSX
       LIBEXT = dylib
+      # OSX's XCode gcc doesn't support LTO, but gcc built to explicitly enable it will work
+      ifeq (,$(shell $(GCC) -v /dev/null 2>&1 | grep '--enable-lto'))
+        LTO_EXCLUDE_VERSIONS += $(GCC_VERSION)
+      endif
     else
       ifeq (Linux,$(OSTYPE))
         LIBPATH := $(sort $(foreach lib,$(shell /sbin/ldconfig -p | grep ' => /' | sed 's/^.* => //'),$(dir $(lib))))