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COMP: Set CMAKE VISIBILITY_PRESET to hidden #636

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COMP: Set CMAKE VISIBILITY_PRESET to hidden #636

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14 changes: 9 additions & 5 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -15,11 +15,15 @@ cmake_policy( SET CMP0042 NEW )
#---------------------------------------------------------------------
include( CTest )

# The following may make smaller and quicker loading libraries,
# that hides unnecessary symbols. Available from CMake 3.0.0.
#set( CMAKE_C_VISIBILITY_PRESET hidden )
#set( CMAKE_CXX_VISIBILITY_PRESET hidden )

# The following may make smaller and quicker loading libraries, that hides unnecessary symbols.
set( CMAKE_C_VISIBILITY_PRESET hidden )
set( CMAKE_CXX_VISIBILITY_PRESET hidden )

# Prevent MacOS/Clang ld: warning: direct access in function '...' from file '...cxx.o' to global
# weak symbol 'vtable for ...' from file '....a(...cxx.o)' means the weak symbol cannot be
# overridden at runtime. This was likely caused by different translation units being compiled with
# different visibility settings.
set(ITK_TEMPLATE_VISIBILITY_DEFAULT OFF)
#---------------------------------------------------------------------
option( ELASTIX_USE_OPENCL "Use OpenCL enabled GPU" OFF )
set(_GPU_depends "")
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