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cmake_minimum_required(VERSION ${CMAKE_VERSION})
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if(CMAKE_XCODE_BUILD_SYSTEM VERSION_GREATER_EQUAL 12)
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cmake_policy(SET CMP0114 NEW)
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else()
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cmake_policy(SET CMP0114 OLD) # Test deprecated behavior.
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endif()
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cmake_policy(SET CMP0135 NEW)
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include(ExternalProject)
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ExternalProject_Add(BAR URL https://cmake.org/bar.tar.gz)
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ExternalProject_Add(FOO URL https://cmake.org/foo.tar.gz STEP_TARGETS update)
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ExternalProject_Add_Step(FOO do_something COMMAND ${CMAKE_COMMAND} -E echo "Doing something")
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ExternalProject_Add_Step(FOO do_something_else COMMAND ${CMAKE_COMMAND} -E echo "Doing something else")
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ExternalProject_Add_StepTargets(FOO do_something)
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# download and do_something_else are not targets, but the file-level
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# dependency are set.
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ExternalProject_Add_StepDependencies(FOO download BAR)
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ExternalProject_Add_StepDependencies(FOO do_something_else BAR)
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# update and do_something are targets, therefore both file-level and
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# target-level dependencies are set.
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ExternalProject_Add_StepDependencies(FOO update BAR)
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ExternalProject_Add_StepDependencies(FOO do_something BAR)
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