From b567f844ad654f9b2a433e45ab00d48f4b1f950b Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Tue, 10 Feb 2015 17:50:42 -0500
Subject: [PATCH] #669 Support libc++ in macosx-sanity-check

---
 scripts/macosx-sanity-check.py | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/scripts/macosx-sanity-check.py b/scripts/macosx-sanity-check.py
index b0ff68e5..eeb3ffec 100755
--- a/scripts/macosx-sanity-check.py
+++ b/scripts/macosx-sanity-check.py
@@ -20,6 +20,8 @@ import re
 
 DEBUG = False
 
+cxxlib = None
+
 def usage():
     print >> sys.stderr, "Usage: " + sys.argv[0] + " <executable>"
     sys.exit(1)
@@ -62,12 +64,17 @@ def find_dependencies(file):
         return None
     deps = output.split('\n')
     for dep in deps:
-        #print dep
-        # Fail if anything is linked with libc++, as that's not backwards compatible
-        # with Mac OS X 10.6
-        if re.search("libc\+\+", dep):
-            print "Error: clang's libc++ is used by " + file
-            return None
+        # print dep
+        # Fail if libstc++ and libc++ was mixed
+        global cxxlib
+        match = re.search("lib(std)?c\+\+", dep)
+        if match:
+            if not cxxlib:
+                cxxlib = match.group(0)
+            else:
+                if cxxlib != match.group(0):
+                    print "Error: Mixing libc++ and libstdc++"
+                    return None
         dep = re.sub(".*:$", "", dep) # Take away header line
         dep = re.sub("^\t", "", dep) # Remove initial tabs
         dep = re.sub(" \(.*\)$", "", dep) # Remove trailing parentheses