From 82811798887485534165d1ba99a402272bd322ad Mon Sep 17 00:00:00 2001
From: Jussi Pakkanen <jpakkane@gmail.com>
Date: Mon, 8 Jul 2013 21:15:33 +0300
Subject: [PATCH] Handle case of Boost not found.

---
 dependencies.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dependencies.py b/dependencies.py
index bbcaa92b4..c5089bb77 100644
--- a/dependencies.py
+++ b/dependencies.py
@@ -219,7 +219,11 @@ class BoostDependency(Dependency):
         return self.version
 
     def detect_version(self):
-        ifile = open(os.path.join(self.incdir, 'version.hpp'))
+        try:
+            ifile = open(os.path.join(self.incdir, 'version.hpp'))
+        except FileNotFoundError:
+            self.version = None
+            return
         for line in ifile:
             if line.startswith("#define") and 'BOOST_LIB_VERSION' in line:
                 ver = line.split()[-1]