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# Objective-C++ compile flags.
# CMake has no equivalent of CMAKE_CXX_FLAGS for Objective-C++ (bug #4756)
# so we provide this in case the user needs to specify flags specifically
# for Objective-C++ source files. For example, to build with garbage
# collection support, the -fobjc-gc flag would be used.
set(VTK_OBJCXX_FLAGS_DEFAULT "")
set(VTK_REQUIRED_OBJCXX_FLAGS ${VTK_OBJCXX_FLAGS_DEFAULT} CACHE STRING "Extra flags for Objective-C++ compilation")
mark_as_advanced(VTK_REQUIRED_OBJCXX_FLAGS)
mark_as_advanced(
CMAKE_OSX_ARCHITECTURES
CMAKE_OSX_DEPLOYMENT_TARGET
CMAKE_OSX_SYSROOT)
if (CMAKE_OSX_DEPLOYMENT_TARGET AND
CMAKE_OSX_DEPLOYMENT_TARGET VERSION_LESS "10.7")
message(FATAL_ERROR "Minimum OS X deployment target is 10.7, please update CMAKE_OSX_DEPLOYMENT_TARGET.")
endif ()
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