From 9324fc31aa192fa449c137a0957c6149be0adb84 Mon Sep 17 00:00:00 2001
From: Ghislain MARY <ghislain.mary@belledonne-communications.com>
Date: Tue, 5 Jan 2016 11:35:35 +0100
Subject: [PATCH] Prevent giving useless ENABLE_RELATIVE_PREFIX option to CMake
 on Windows.

---
 prepare.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/prepare.py b/prepare.py
index 9551fba32..fd47b66a6 100755
--- a/prepare.py
+++ b/prepare.py
@@ -198,8 +198,9 @@ def main(argv=None):
                             "-DENABLE_SILK=YES"]
 
     if args.package:
-        additional_args += ["-DENABLE_PACKAGING=YES",
-                            "-DENABLE_RELATIVE_PREFIX=YES"]
+        additional_args += ["-DENABLE_PACKAGING=YES"]
+        if platform.system() != 'Windows':
+            additional_args += ["-DENABLE_RELATIVE_PREFIX=YES"] # Already forced in all cases on Windows platform
     if check_tools() != 0:
         return 1