Add option to link with external gdcm (forrt-struct + itk4)

diff --git a/cmake/build_opt.cmake b/cmake/build_opt.cmake
index d7c60aa12268f5e0054119ea358ecb6feb856f5f..377f9327472fb9e68dea72fea8de7b0bbc6b909f 100644 (file)
--- a/cmake/build_opt.cmake
+++ b/cmake/build_opt.cmake
@@ -34,3 +34,7 @@ IF(BUILD_TESTING)
   ADD_SUBDIRECTORY(${CLITK_SOURCE_DIR}/tests ${PROJECT_BINARY_DIR}/tests)
 ENDIF(BUILD_TESTING)
 
+#=========================================================
+# Build with external GDCM (required for rt-struct and itk4)
+option(CLITK_USE_SYSTEM_GDCM "Use system GDCM (required for rt-struct with itk4)" OFF)
+