From 20028d600f643f06a2f4d8a429a02ce770e0c8a4 Mon Sep 17 00:00:00 2001
From: Julien Schueller <schueller@phimeca.com>
Date: Sat, 23 Nov 2013 08:57:04 +0100
Subject: [PATCH] UseSWIG: Remove duplicate include dirs (#14520)

Shorten the swig command line.
---
 Modules/UseSWIG.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Modules/UseSWIG.cmake b/Modules/UseSWIG.cmake
index 00f3e21f6..f4aeebce2 100644
--- a/Modules/UseSWIG.cmake
+++ b/Modules/UseSWIG.cmake
@@ -159,6 +159,7 @@ macro(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile)
   #message("Full path to source file: ${swig_source_file_fullname}")
   #message("Full path to the output file: ${swig_generated_file_fullname}")
   get_directory_property(cmake_include_directories INCLUDE_DIRECTORIES)
+  list(REMOVE_DUPLICATES cmake_include_directories)
   set(swig_include_dirs)
   foreach(it ${cmake_include_directories})
     set(swig_include_dirs ${swig_include_dirs} "-I${it}")