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-rw-r--r--cmake/Modules/UseSWIG.cmake1
1 files changed, 1 insertions, 0 deletions
diff --git a/cmake/Modules/UseSWIG.cmake b/cmake/Modules/UseSWIG.cmake
index b7e3e05dc5..e55543532f 100644
--- a/cmake/Modules/UseSWIG.cmake
+++ b/cmake/Modules/UseSWIG.cmake
@@ -155,6 +155,7 @@ macro(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile)
endif(HAVE_WNO_UNUSED_BUT_SET_VARIABLE)
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}")