From 325b2c25b611d1e00a753cefe38f6dd24a988575 Mon Sep 17 00:00:00 2001
From: William Hubbs <w.d.hubbs@gmail.com>
Date: Wed, 22 Nov 2017 16:21:08 -0600
Subject: [PATCH] Allow prefix to be the root directory

---
 mesonbuild/coredata.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mesonbuild/coredata.py b/mesonbuild/coredata.py
index e8b23fd90..401211a6b 100644
--- a/mesonbuild/coredata.py
+++ b/mesonbuild/coredata.py
@@ -193,6 +193,10 @@ class CoreData:
             # string is of type 'C:\' because 'C:' is not an absolute path.
             if len(prefix) == 3 and prefix[1] == ':':
                 pass
+            # If prefix is a single character, preserve it since it is
+            # the root directory.
+            elif len(prefix) == 1:
+                pass
             else:
                 prefix = prefix[:-1]
         return prefix