Merge pull request #121 from phcerdan/add_flag_Wno-undefined-var-template

COMP: Add -Wno-undefined-var-template to CMAKE_CXX_FLAGS

Author: phcerdan

CMakeLists.txt

@@ -6,6 +6,10 @@ set(IsotropicWavelets_LIBRARIES IsotropicWavelets)
 if(NOT ITK_SOURCE_DIR)
   find_package(ITK REQUIRED)
   list(APPEND CMAKE_MODULE_PATH ${ITK_CMAKE_DIR})
+  # Hide clang warnings about undefined-var-template
+  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") # using regular Clang or AppleClang
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-undefined-var-template")
+  endif()
   include(ITKModuleExternal)
 else()
   itk_module_impl()