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The ExternalProject module cannot be implemented in the Xcode "new build system" without using CMP0114's NEW behavior. When configuring for that build system, warn if the policy is not set to NEW and use NEW behavior anyway.
26 lines
1.0 KiB
CMake
26 lines
1.0 KiB
CMake
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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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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